diff --git a/css/mathlive.less b/css/mathlive.less
index 7c4ccb812..6aa906b96 100755
--- a/css/mathlive.less
+++ b/css/mathlive.less
@@ -66,8 +66,8 @@
 
 .ML__mathit {
     font-family: @math_math;
-    /* The @math_math (KaTeX_Math) font is italic 
-        by default, so the font-style below is only 
+    /* The @math_math (KaTeX_Math) font is italic
+        by default, so the font-style below is only
         useful when a fallback font is used
     */
     font-style: italic;
@@ -84,7 +84,7 @@
     font-weight: bold;
 }
 
-/* lowercase greek symbols should stick to math font when \mathbf is applied 
+/* lowercase greek symbols should stick to math font when \mathbf is applied
    to match TeX idiosyncratic behavior */
 .lcGreek.ML__mathbf {
     font-family: @math_math;
@@ -294,14 +294,17 @@
                 content: '';
                 display: block;
                 margin-top: -0.04em;
-                border-bottom-style: solid;
-                border-bottom-width: 0.04em;
                 min-height: 0.04em;
-                /* There's a bug since Chrome 62 where 
-                sub-pixel border lines don't draw at some zoom 
-                levels (110%, 90%). Setting the min-height seems to work around it.
+                /* There's a bug since Chrome 62 where sub-pixel
+                border lines don't draw at some zoom
+                levels (110%, 90%).
+                Setting the min-height used to work around it, but
+                that workaround broke in Chrome 84 or so.
+                Setting the background (and the min-height) seems to
+                work for now.
                 */
-                box-sizing: content-box; /* Vuetify sets the box-sizing to inherit 
+                background: currentColor;
+                box-sizing: content-box; /* Vuetify sets the box-sizing to inherit
                 causes the fraction line to not draw at all sizes (see #26) */
             }
         }
@@ -443,8 +446,8 @@
         &:after {
             border-bottom-style: solid;
             border-bottom-width: 0.04em;
-            min-height: thin; /* There's a bug since Chrome 62 where 
-            sub-pixel border lines don't draw at some zoom 
+            min-height: thin; /* There's a bug since Chrome 62 where
+            sub-pixel border lines don't draw at some zoom
             levels (110%, 90%). Setting the min-height seems to work around it.
             */
             content: '';
@@ -542,13 +545,8 @@
                 content: '';
                 display: block;
                 margin-top: -0.04em;
-                border-bottom-style: solid;
-                border-bottom-width: 0.04em;
-                min-height: 0.5px;
-                /* There's a bug since Chrome 62 where 
-                sub-pixel border lines don't draw at some zoom 
-                levels (110%, 90%). Setting the min-height seems to work around it.
-                */
+                min-height: 0.04em;
+                background: currentColor;
             }
 
             &:after {
@@ -743,7 +741,7 @@
     padding-left: 0.25em;
 }
 
-/* When using smartFence, the anticipated closing fence is displayed 
+/* When using smartFence, the anticipated closing fence is displayed
 with this style */
 .ML__smart-fence__close {
     opacity: 0.5;
@@ -786,9 +784,9 @@ body[theme='dark'] .ML__keystroke-caption {
     --keystroke-border: hsl(var(--hue), 50%, 25%);
 }
 
-/* Add an attribute 'data-tooltip' to automatically show a 
-   tooltip over a element on hover. 
-   Use 'data-position="top"' to place the tooltip above the 
+/* Add an attribute 'data-tooltip' to automatically show a
+   tooltip over a element on hover.
+   Use 'data-position="top"' to place the tooltip above the
    element rather than below.
    Use 'data-delay' to delay the triggering of the tooltip.
 */
@@ -1959,14 +1957,14 @@ div.ML__popover.is-visible {
     padding-top: 0.25em;
 }
 
-/* Style for the character that joins the modifiers of a keyboard shortcut 
+/* Style for the character that joins the modifiers of a keyboard shortcut
 (usually a "+" sign)*/
 .ML__shortcut-join {
     opacity: 0.5;
 }
 
-/* Styling for an element which is overlaid 
-to the left and right of the mathfield while 
+/* Styling for an element which is overlaid
+to the left and right of the mathfield while
 scrolling to prevent the capture of hover events */
 .ML__scroller {
     position: fixed;
diff --git a/dist/commands.d.ts b/dist/commands.d.ts
index 139ae68b4..acf14ff03 100644
--- a/dist/commands.d.ts
+++ b/dist/commands.d.ts
@@ -1,4 +1,4 @@
-/* 0.52.0 */
import type { Keys } from './types-utils';
+/* 0.52.1-soc */
import type { Keys } from './types-utils';
 import type { ParseMode, Style } from './core';
 import type { Mathfield, Model } from './mathfield';
 /**
diff --git a/dist/config.d.ts b/dist/config.d.ts
index ac0d096f0..55c524996 100644
--- a/dist/config.d.ts
+++ b/dist/config.d.ts
@@ -1,4 +1,4 @@
-/* 0.52.0 */
import { ErrorListener, MacroDictionary, ParseMode } from './core';
+/* 0.52.1-soc */
import { ErrorListener, MacroDictionary, ParseMode } from './core';
 import type { Mathfield } from './mathfield';
 import type { Selector } from './commands';
 /**
diff --git a/dist/core.d.ts b/dist/core.d.ts
index f198e4c4f..1c41c8412 100644
--- a/dist/core.d.ts
+++ b/dist/core.d.ts
@@ -1,4 +1,4 @@
-/* 0.52.0 */
/**
+/* 0.52.1-soc */
/**
  * The mode that indicates how a portion of content is interpreted
  *
  * @deprecated The 'command'mode will be dropped in a future release
diff --git a/dist/mathfield.d.ts b/dist/mathfield.d.ts
index ff2e7acce..7f6b24ea1 100644
--- a/dist/mathfield.d.ts
+++ b/dist/mathfield.d.ts
@@ -1,4 +1,4 @@
-/* 0.52.0 */
import { Selector } from './commands';
+/* 0.52.1-soc */
import { Selector } from './commands';
 import { MathfieldConfig } from './config';
 import { ParseMode, MacroDictionary, Style } from './core';
 /**
diff --git a/dist/mathlive.core.css b/dist/mathlive.core.css
index fbe357654..c5361c8fd 100644
--- a/dist/mathlive.core.css
+++ b/dist/mathlive.core.css
@@ -1 +1 @@
-/* 0.52.0 */.ML__mathlive{line-height:0;direction:ltr;text-align:left;text-indent:0;text-rendering:auto;font-style:normal;font-size-adjust:none;letter-spacing:normal;word-wrap:normal;word-spacing:normal;white-space:nowrap;display:inline-block;text-shadow:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;width:-webkit-min-content;width:-moz-min-content;width:min-content;transform:translateZ(0)}.ML__base{display:inline-block;position:relative;cursor:text}.ML__strut,.ML__strut--bottom{display:inline-block;min-height:.5em}.ML__caret:after{content:"";border:none;border-radius:2px;border-right:2px solid var(--caret);margin-right:-2px;position:relative;left:-1px;-webkit-animation:ML__caret-blink 1.05s step-end infinite forwards;animation:ML__caret-blink 1.05s step-end infinite forwards}.ML__text-caret:after{content:"";border:none;border-radius:1px;border-right:1px solid var(--caret);margin-right:-1px;position:relative;left:0;-webkit-animation:ML__caret-blink 1.05s step-end infinite forwards;animation:ML__caret-blink 1.05s step-end infinite forwards}.ML__command-caret:after{content:"_";border:none;margin-right:-1ex;position:relative;color:var(--caret);-webkit-animation:ML__caret-blink 1.05s step-end infinite forwards;animation:ML__caret-blink 1.05s step-end infinite forwards}.ML__text{white-space:pre}.ML__focused .ML__text{background:hsla(var(--hue),40%,50%,.1)}@-webkit-keyframes ML__caret-blink{0%,to{opacity:1}50%{opacity:0}}@keyframes ML__caret-blink{0%,to{opacity:1}50%{opacity:0}}.ML__textarea__textarea{transform:scale(0);resize:none;position:absolute;clip:rect(0 0 0 0);width:1px;height:1px;font-size:16px}.ML__fieldcontainer{display:flex;flex-flow:row;justify-content:space-between;align-items:flex-end;min-height:39px;touch-action:none;width:100%;--hue:212;--highlight:hsl(var(--hue),97%,85%);--caret:hsl(var(--hue),40%,49%);--highlight-inactive:#ccc;--primary:hsl(var(--hue),40%,50%);--secondary:hsl(var(--hue),19%,26%);--on-secondary:hsl(var(--hue),19%,26%)}@media (prefers-color-scheme:dark){body:not([theme=light]) .ML__fieldcontainer{--highlight:hsl(var(--hue),40%,49%);--highlight-inactive:hsl(var(--hue),10%,35%);--caret:hsl(var(--hue),97%,85%);--secondary:hsl(var(--hue),25%,35%);--on-secondary:#fafafa}}body[theme=dark] .ML__fieldcontainer{--highlight:hsl(var(--hue),40%,49%);--highlight-inactive:hsl(var(--hue),10%,35%);--caret:hsl(var(--hue),97%,85%);--secondary:hsl(var(--hue),25%,35%);--on-secondary:#fafafa}.ML__fieldcontainer:focus{outline:2px solid var(--primary);outline-offset:3px}.ML__fieldcontainer__field{align-self:center;position:relative;overflow:hidden;line-height:0;padding:2px;width:100%}.ML__virtual-keyboard-toggle{display:flex;align-self:center;align-items:center;flex-shrink:0;flex-direction:column;justify-content:center;width:34px;height:34px;padding:0;margin-right:4px;cursor:pointer;box-sizing:border-box;border-radius:50%;border:1px solid transparent;transition:background .2s cubic-bezier(.64,.09,.08,1);color:var(--primary);fill:currentColor;background:transparent}.ML__virtual-keyboard-toggle:hover{background:hsl(var(--hue),25%,35%);color:#fafafa;fill:currentColor;border-radius:50%;box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2)}.ML__popover{visibility:hidden;min-width:160px;background-color:rgba(97,97,97,.95);color:#fff;text-align:center;border-radius:6px;position:fixed;z-index:1;display:flex;flex-direction:column;justify-content:center;box-shadow:0 14px 28px rgba(0,0,0,.25),0 10px 10px rgba(0,0,0,.22);transition:all .2s cubic-bezier(.64,.09,.08,1)}.ML__popover:after{content:"";position:absolute;top:-5px;left:calc(50% - 3px);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;font-size:1rem;border-bottom:5px solid rgba(97,97,97,.9)}.reverse-direction:after{top:auto;bottom:-5px;border-top:5px solid rgba(97,97,97,.9);border-bottom:0}
+/* 0.52.1-soc */.ML__mathlive{line-height:0;direction:ltr;text-align:left;text-indent:0;text-rendering:auto;font-style:normal;font-size-adjust:none;letter-spacing:normal;word-wrap:normal;word-spacing:normal;white-space:nowrap;display:inline-block;text-shadow:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;width:-webkit-min-content;width:-moz-min-content;width:min-content;transform:translateZ(0)}.ML__base{display:inline-block;position:relative;cursor:text}.ML__strut,.ML__strut--bottom{display:inline-block;min-height:.5em}.ML__caret:after{content:"";border:none;border-radius:2px;border-right:2px solid var(--caret);margin-right:-2px;position:relative;left:-1px;-webkit-animation:ML__caret-blink 1.05s step-end infinite forwards;animation:ML__caret-blink 1.05s step-end infinite forwards}.ML__text-caret:after{content:"";border:none;border-radius:1px;border-right:1px solid var(--caret);margin-right:-1px;position:relative;left:0;-webkit-animation:ML__caret-blink 1.05s step-end infinite forwards;animation:ML__caret-blink 1.05s step-end infinite forwards}.ML__command-caret:after{content:"_";border:none;margin-right:-1ex;position:relative;color:var(--caret);-webkit-animation:ML__caret-blink 1.05s step-end infinite forwards;animation:ML__caret-blink 1.05s step-end infinite forwards}.ML__text{white-space:pre}.ML__focused .ML__text{background:hsla(var(--hue),40%,50%,.1)}@-webkit-keyframes ML__caret-blink{0%,to{opacity:1}50%{opacity:0}}@keyframes ML__caret-blink{0%,to{opacity:1}50%{opacity:0}}.ML__textarea__textarea{transform:scale(0);resize:none;position:absolute;clip:rect(0 0 0 0);width:1px;height:1px;font-size:16px}.ML__fieldcontainer{display:flex;flex-flow:row;justify-content:space-between;align-items:flex-end;min-height:39px;touch-action:none;width:100%;--hue:212;--highlight:hsl(var(--hue),97%,85%);--caret:hsl(var(--hue),40%,49%);--highlight-inactive:#ccc;--primary:hsl(var(--hue),40%,50%);--secondary:hsl(var(--hue),19%,26%);--on-secondary:hsl(var(--hue),19%,26%)}@media (prefers-color-scheme:dark){body:not([theme=light]) .ML__fieldcontainer{--highlight:hsl(var(--hue),40%,49%);--highlight-inactive:hsl(var(--hue),10%,35%);--caret:hsl(var(--hue),97%,85%);--secondary:hsl(var(--hue),25%,35%);--on-secondary:#fafafa}}body[theme=dark] .ML__fieldcontainer{--highlight:hsl(var(--hue),40%,49%);--highlight-inactive:hsl(var(--hue),10%,35%);--caret:hsl(var(--hue),97%,85%);--secondary:hsl(var(--hue),25%,35%);--on-secondary:#fafafa}.ML__fieldcontainer:focus{outline:2px solid var(--primary);outline-offset:3px}.ML__fieldcontainer__field{align-self:center;position:relative;overflow:hidden;line-height:0;padding:2px;width:100%}.ML__virtual-keyboard-toggle{display:flex;align-self:center;align-items:center;flex-shrink:0;flex-direction:column;justify-content:center;width:34px;height:34px;padding:0;margin-right:4px;cursor:pointer;box-sizing:border-box;border-radius:50%;border:1px solid transparent;transition:background .2s cubic-bezier(.64,.09,.08,1);color:var(--primary);fill:currentColor;background:transparent}.ML__virtual-keyboard-toggle:hover{background:hsl(var(--hue),25%,35%);color:#fafafa;fill:currentColor;border-radius:50%;box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2)}.ML__popover{visibility:hidden;min-width:160px;background-color:rgba(97,97,97,.95);color:#fff;text-align:center;border-radius:6px;position:fixed;z-index:1;display:flex;flex-direction:column;justify-content:center;box-shadow:0 14px 28px rgba(0,0,0,.25),0 10px 10px rgba(0,0,0,.22);transition:all .2s cubic-bezier(.64,.09,.08,1)}.ML__popover:after{content:"";position:absolute;top:-5px;left:calc(50% - 3px);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;font-size:1rem;border-bottom:5px solid rgba(97,97,97,.9)}.reverse-direction:after{top:auto;bottom:-5px;border-top:5px solid rgba(97,97,97,.9);border-bottom:0}
diff --git a/dist/mathlive.css b/dist/mathlive.css
index f587cfefc..45972057d 100644
--- a/dist/mathlive.css
+++ b/dist/mathlive.css
@@ -1 +1 @@
-/* 0.52.0 */@font-face{font-family:KaTeX_AMS;src:url(fonts/KaTeX_AMS-Regular.woff2) format("woff2"),url(fonts/KaTeX_AMS-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Caligraphic;src:url(fonts/KaTeX_Caligraphic-Bold.woff2) format("woff2"),url(fonts/KaTeX_Caligraphic-Bold.woff) format("woff");font-weight:700;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Caligraphic;src:url(fonts/KaTeX_Caligraphic-Regular.woff2) format("woff2"),url(fonts/KaTeX_Caligraphic-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Fraktur;src:url(fonts/KaTeX_Fraktur-Bold.woff2) format("woff2"),url(fonts/KaTeX_Fraktur-Bold.woff) format("woff");font-weight:700;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Fraktur;src:url(fonts/KaTeX_Fraktur-Regular.woff2) format("woff2"),url(fonts/KaTeX_Fraktur-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-BoldItalic.woff2) format("woff2"),url(fonts/KaTeX_Main-BoldItalic.woff) format("woff");font-weight:700;font-style:italic;font-display:"swap"}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-Bold.woff2) format("woff2"),url(fonts/KaTeX_Main-Bold.woff) format("woff");font-weight:700;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-Italic.woff2) format("woff2"),url(fonts/KaTeX_Main-Italic.woff) format("woff");font-weight:400;font-style:italic;font-display:"swap"}@font-face{font-family:KaTeX_Math;src:url(fonts/KaTeX_Math-BoldItalic.woff2) format("woff2"),url(fonts/KaTeX_Math-BoldItalic.woff) format("woff");font-weight:700;font-style:italic;font-display:"swap"}@font-face{font-family:"KaTeX_SansSerif";src:url(fonts/KaTeX_SansSerif-Bold.woff2) format("woff2"),url(fonts/KaTeX_SansSerif-Bold.woff) format("woff");font-weight:700;font-style:normal;font-display:"swap"}@font-face{font-family:"KaTeX_SansSerif";src:url(fonts/KaTeX_SansSerif-Italic.woff2) format("woff2"),url(fonts/KaTeX_SansSerif-Italic.woff) format("woff");font-weight:400;font-style:italic;font-display:"swap"}@font-face{font-family:"KaTeX_SansSerif";src:url(fonts/KaTeX_SansSerif-Regular.woff2) format("woff2"),url(fonts/KaTeX_SansSerif-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Script;src:url(fonts/KaTeX_Script-Regular.woff2) format("woff2"),url(fonts/KaTeX_Script-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Size1;src:url(fonts/KaTeX_Size1-Regular.woff2) format("woff2"),url(fonts/KaTeX_Size1-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Size2;src:url(fonts/KaTeX_Size2-Regular.woff2) format("woff2"),url(fonts/KaTeX_Size2-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Size3;src:url(fonts/KaTeX_Size3-Regular.woff2) format("woff2"),url(fonts/KaTeX_Size3-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Size4;src:url(fonts/KaTeX_Size4-Regular.woff2) format("woff2"),url(fonts/KaTeX_Size4-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Typewriter;src:url(fonts/KaTeX_Typewriter-Regular.woff2) format("woff2"),url(fonts/KaTeX_Typewriter-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-Regular.woff2) format("woff2"),url(fonts/KaTeX_Main-Regular.woff) format("woff");font-weight:400;font-style:normal;font-display:"swap"}@font-face{font-family:KaTeX_Math;src:url(fonts/KaTeX_Math-Italic.woff2) format("woff2"),url(fonts/KaTeX_Math-Italic.woff) format("woff");font-weight:400;font-style:italic;font-display:"swap"}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.ML__small-delim{font-family:KaTeX_Main}.ML__mathit{font-family:KaTeX_Math;font-style:italic}.ML__cmr{font-style:normal}.ML__cmr,.ML__mathbf{font-family:KaTeX_Main}.ML__mathbf{font-weight:700}.lcGreek.ML__mathbf{font-family:KaTeX_Math;font-weight:400}.ML__mathbfit{font-family:KaTeX_Math;font-weight:700;font-style:italic}.ML__ams,.ML__bb{font-family:KaTeX_AMS}.ML__cal{font-family:KaTeX_Caligraphic}.ML__frak{font-family:KaTeX_Fraktur}.ML__tt{font-family:KaTeX_Typewriter}.ML__script{font-family:KaTeX_Script}.ML__sans{font-family:KaTeX_SansSerif}.ML__cmti{font-family:KaTeX_Main;font-style:italic}.ML__series_el,.ML__series_ul{font-weight:100}.ML__series_l{font-weight:200}.ML__series_sl{font-weight:300}.ML__series_sb{font-weight:500}.ML__bold,.ML__boldsymbol{font-weight:700}.ML__series_eb{font-weight:800}.ML__series_ub{font-weight:900}.ML__series_uc{font-stretch:ultra-condensed}.ML__series_ec{font-stretch:extra-condensed}.ML__series_c{font-stretch:condensed}.ML__series_sc{font-stretch:semi-condensed}.ML__series_sx{font-stretch:semi-expanded}.ML__series_x{font-stretch:expanded}.ML__series_ex{font-stretch:extra-expanded}.ML__series_ux{font-stretch:ultra-expanded}.ML__it{font-style:italic}.ML__shape_ol{-webkit-text-stroke:1px 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"]):active{background:var(--keyboard-alternate-background);color:var(--keyboard-alternate-text);box-shadow:0 10px 20px rgba(0,0,0,.19),0 6px 6px rgba(0,0,0,.23)}@media only screen and (max-width:767px){div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).active,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).pressed,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]):active{box-shadow:0 10px 20px rgba(0,0,0,.19),0 6px 6px rgba(0,0,0,.23);font-size:10px;vertical-align:top;width:19.5px;margin-right:10px;margin-left:10px;transform:translateY(-20px) scale(2);transition:none;justify-content:flex-start;padding:2px 0 0;z-index:100}}@media only screen and (max-width:414px){div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).active,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).pressed,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]):active{width:16.5px}}@media only screen and 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li.modifier:active,div.ML__keyboard.material div div.rows ul li.modifier:hover{border:0;color:var(--keycap-text);background:var(--keycap-background-active);box-shadow:none}div.ML__keyboard.material div div.rows ul li.bigfnbutton,div.ML__keyboard.material div div.rows ul li.fnbutton{background:transparent;border:0}div.ML__keyboard.material div div.rows ul li.bigfnbutton.selected,div.ML__keyboard.material div div.rows ul li.fnbutton.selected{color:#5f97fc;fill:currentColor;border-radius:0;border-bottom:2px solid #5f97fc}div.ML__keyboard.material div div.rows ul li.bigfnbutton.active,div.ML__keyboard.material div div.rows ul li.bigfnbutton.pressed,div.ML__keyboard.material div div.rows ul li.bigfnbutton:active,div.ML__keyboard.material div div.rows ul li.bigfnbutton:hover,div.ML__keyboard.material div div.rows ul li.fnbutton.active,div.ML__keyboard.material div div.rows ul li.fnbutton.pressed,div.ML__keyboard.material div div.rows ul li.fnbutton:active,div.ML__keyboard.material div 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"]):active{background:var(--keyboard-alternate-background);color:var(--keyboard-alternate-text);box-shadow:0 10px 20px rgba(0,0,0,.19),0 6px 6px rgba(0,0,0,.23)}@media only screen and (max-width:767px){div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).active,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).pressed,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]):active{box-shadow:0 10px 20px rgba(0,0,0,.19),0 6px 6px rgba(0,0,0,.23);font-size:10px;vertical-align:top;width:19.5px;margin-right:10px;margin-left:10px;transform:translateY(-20px) scale(2);transition:none;justify-content:flex-start;padding:2px 0 0;z-index:100}}@media only screen and (max-width:414px){div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).active,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]).pressed,div.ML__keyboard.material div>.rows>ul>.keycap:not([data-key=" "]):active{width:16.5px}}@media only screen and 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div.rows ul li.fnbutton:hover{border:0;color:#5f97fc;fill:currentColor;background:var(--keycap-background-active);box-shadow:none}@media (prefers-color-scheme:dark){body:not([theme=light]) div.ML__keyboard.material{--hue:198;--keyboard-background:hsl(var(--hue),19%,18%);--keyboard-text:#d4d6d7;--keyboard-text-active:#5f97fc;--keyboard-background-border:#333;--keycap-background:hsl(var(--hue),25%,39%);--keycap-background-active:#5f97fc;--keycap-background-border:transparent;--keycap-background-border-bottom:transparent;--keycap-text:#d0d0d0;--keycap-text-active:#d4d6d7;--keycap-secondary-text:#5f97fc;--keycap-modifier-background:hsl(var(--hue),35%,40%);--keycap-modifier-border:hsl(var(--hue),35%,35%);--keycap-modifier-border-bottom:hsl(var(--hue),35%,42%);--keyboard-alternate-background:hsl(var(--hue),8%,2%);--keyboard-alternate-background-active:hsl(var(--hue),35%,42%);--keyboard-alternate-text:#d1d1d1}}body[theme=dark] 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diff --git a/dist/mathlive.d.ts b/dist/mathlive.d.ts
index 43d6b3dd9..81909afdd 100644
--- a/dist/mathlive.d.ts
+++ b/dist/mathlive.d.ts
@@ -1,4 +1,4 @@
-/* 0.52.0 */
/**
+/* 0.52.1-soc */
/**
  *
  * Use MathLive to render and edit mathematical formulas.
  *
@@ -13,8 +13,8 @@
  * console.log(MathLive.latexToAST('e^{i\\pi}+1=0'));
  * </script>
  *
- * @packageDocumentation MathLive SDK Reference 0.52.0
- * @version 0.52.0
+ * @packageDocumentation MathLive SDK Reference 0.52.1-soc
+ * @version 0.52.1-soc
  *
  */
 import { Mathfield } from './mathfield';
@@ -23,7 +23,7 @@ import { MacroDictionary, ErrorListener } from './core';
 export { Mathfield };
 export { MathfieldConfig };
 /**
- * Current version: `0.52.0`
+ * Current version: `0.52.1-soc`
  *
  * The version string of the SDK using the [semver](https://semver.org/) convention:
  *
diff --git a/dist/mathlive.js b/dist/mathlive.js
index 771f411c3..93bedf99a 100644
--- a/dist/mathlive.js
+++ b/dist/mathlive.js
@@ -1,2 +1,2 @@
-/* MathLive "0.52.0"  */
-var global,factory;global=this,factory=function(){function e(e){return Array.isArray(e)}var 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em"},{latex:'\\unicode{"203A}\\:\\unicode{"2039}',insert:"\\:",aside:"medium space<br>⁴⧸₁₈ em"},{latex:'\\unicode{"203A}\\;\\unicode{"2039}',insert:"\\;",aside:"thick space<br>⁵⧸₁₈ em"},{latex:'\\unicode{"203A}\\ \\unicode{"2039}',insert:"\\ ",aside:"⅓ em"},{latex:'\\unicode{"203A}\\enspace\\unicode{"2039}',insert:"\\enspace",aside:"½ em"},{latex:'\\unicode{"203A}\\quad\\unicode{"2039}',insert:"\\quad",aside:"1 em"},{latex:'\\unicode{"203A}\\qquad\\unicode{"2039}',insert:"\\qquad",aside:"2 em"}],delete:[{label:'<span class="warning"><svg><use xlink:href="#svg-trash" /></svg></span>',command:'"deleteAll"'}],"->|":[]};let Qi={};const es={math:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap tex' data-alt-keys='x-var'><i>x</i></li>\n                <li class='keycap tex' data-alt-keys='n-var'><i>n</i></li>\n                <li class='separator w5'></li>\n                <row name='numpad-1'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='$$\\exponentialE$$' data-alt-keys='ee'>e</li>\n                <li class='keycap tex' data-insert='$$\\imaginaryI$$' data-alt-keys='ii'>i</li>\n                <li class='keycap tex' data-latex='\\pi' data-alt-keys='numeric-pi'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-key='<' data-alt-keys='<'>&lt;</li>\n                <li class='keycap tex' data-key='>' data-alt-keys='>'>&gt;</li>\n                <li class='separator w5'></li>\n                <row name='numpad-2'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='x2' data-insert='$$#@^{2}$$'><span><i>x</i>&thinsp;²</span></li>\n                <li class='keycap tex' data-alt-keys='^' data-insert='$$#@^{#?}$$'><span><i>x</i><sup>&thinsp;<small>&#x2b1a;</small></sup></span></li>\n                <li class='keycap tex' data-alt-keys='sqrt' data-insert='$$\\sqrt{#0}$$' data-latex='\\sqrt{#0}'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-alt-keys='(' >(</li>\n                <li class='keycap tex' data-alt-keys=')' >)</li>\n                <li class='separator w5'></li>\n                <row name='numpad-3'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex small' data-alt-keys='int' data-latex='\\int_0^\\infty'><span></span></li>\n                <li class='keycap tex' data-latex='\\forall' data-alt-keys='logic' ></li>\n                <li class='action font-glyph bottom right' data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            </ul>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428; box-sizing: border-box'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590; box-sizing: border-box'></span></li>\n                <li class='separator w5'></li>\n                <row name='numpad-4'/>\n                <li class='separator w5'></li>\n                <arrows/>\n            </ul>\n        </div>\n    ","lower-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='lower-1' shift-layer='upper-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='lower-2'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='lower-3'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys=','>,</li>\n                <li class='keycap w50' data-key=' ' data-alt-keys='space'>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='upper-1'  shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='upper-2' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='upper-3' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys='.'>;</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",symbols:"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrace '>{</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrace '>}</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='set' data-insert='\\in '>&#x2208;</li>\n                <li class='keycap tex' data-alt-keys='!set' data-insert='\\notin '>&#x2209;</li>\n                <li class='keycap tex' data-insert='\\Re '>&#x211c;<aside>Real</aside></li>\n                <li class='keycap tex' data-insert='\\Im '>&#x2111;<aside>Imaginary</aside></li>\n                <li class='keycap w15' data-insert='\\ulcorner#0\\urcorner '><span><sup>&#x250c;</sup><span><span style='color:#ddd'>o</span><sup>&#x2510;</sup></span><aside>ceil</aside></li>\n                <li class='keycap tex' data-alt-keys='nabla' data-insert='\\nabla '>&#x2207;<aside>nabla</aside></li>\n                <li class='keycap tex' data-alt-keys='infinity' data-insert='\\infty '>&#x221e;</li>\n\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrack '>[</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrack '>]</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='subset' data-insert='\\subset '>&#x2282;</li>\n                <li class='keycap tex' data-alt-keys='supset' data-insert='\\supset '>&#x2283;</li>\n                <li class='keycap tex' data-key='!' data-alt-keys='!'>!<aside>factorial</aside></li>\n                <li class='keycap' data-insert='$$^{\\prime} $$'><span><sup><span><span style='color:#ddd'>o</span>&#x2032</sup></span><aside>prime</aside></li>\n                <li class='keycap w15' data-insert='\\llcorner#0\\lrcorner '><span><sub>&#x2514;</sub><span style='color:#ddd'>o</span><sub>&#x2518;</sub></span><aside>floor</aside></li>\n                <li class='keycap tex' data-insert='\\partial '>&#x2202;<aside>partial<br>derivative</aside></li>\n                <li class='keycap tex' data-insert='\\emptyset '>&#x2205;<aside>empty set</aside></li>\n\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\langle '>&#x27e8;</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rangle '>&#x27e9;</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='\\subseteq '>&#x2286;</li>\n                <li class='keycap tex' data-insert='\\supseteq '>&#x2287;</li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\vec{#@}$$' data-latex='\\vec{#?}' data-aside='vector'></li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\bar{#@}$$' data-latex='\\bar{#?}' data-aside='bar'></li>\n                <li class='keycap tex' data-alt-keys='absnorm' data-insert='$$\\left| #0 \\right|$$' data-latex='\\left| #? \\right|' data-aside='abs'></li>\n                <li class='keycap tex' data-insert='\\ast '>&#x2217;<aside>asterisk</aside></li>\n\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap tex' data-insert=','>,</li>\n                <li class='keycap tex' data-insert='\\cdot '>&#x22c5;<aside>centered dot</aside></li>\n                <li class='keycap tex' data-insert='\\colon '>:<aside>colon</aside></li>\n                <li class='keycap tex' data-insert='\\circ '>&#x2218;<aside>circle</aside></li>\n                <li class='keycap tex' data-insert='\\approx '>&#x2248;<aside>approx.</aside></li>\n                <li class='keycap tex' data-insert='\\ne '>&#x2260;</li>\n                <li class='keycap tex' data-insert='\\pm '>&#x00b1;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\varphi '><i>&#x03c6;</i><aside>phi var.</aside></li>\n                <li class='keycap tex' data-insert='\\varsigma '><i>&#x03c2;</i><aside>sigma var.</aside></li>\n                <li class='keycap tex' data-insert='\\epsilon '><i>&#x03f5;</i></li>\n                <li class='keycap tex' data-insert='\\rho '><i>&rho;</i></li>\n                <li class='keycap tex' data-insert='\\tau '><i>&tau;</i></li>\n                <li class='keycap tex' data-insert='\\upsilon '><i>&upsilon;</i></li>\n                <li class='keycap tex' data-insert='\\theta '><i>&theta;</i></li>\n                <li class='keycap tex' data-insert='\\iota '><i>&iota;</i></li>\n                <li class='keycap tex' data-insert='\\omicron '>&omicron;</i></li>\n                <li class='keycap tex' data-insert='\\pi '><i>&pi;</i></li>\n            </ul>\n            <ul><li class='keycap tex' data-insert='\\alpha ' data-shifted='&Alpha;' data-shifted-command='[\"insert\",\"{\\\\char\\\"391}\"]'><i>&alpha;</i></li>\n                <li class='keycap tex' data-insert='\\sigma '><i>&sigma;</i></li>\n                <li class='keycap tex' data-insert='\\delta '><i>&delta;</i></li>\n                <li class='keycap tex' data-insert='\\phi '><i>&#x03d5;</i></i></li>\n                <li class='keycap tex' data-insert='\\gamma '><i>&gamma;</i></li>\n                <li class='keycap tex' data-insert='\\eta '><i>&eta;</i></li>\n                <li class='keycap tex' data-insert='\\xi '><i>&xi;</i></li>\n                <li class='keycap tex' data-insert='\\kappa '><i>&kappa;</i></li>\n                <li class='keycap tex' data-insert='\\lambda '><i>&lambda;</i></li>\n            </ul>\n            <ul><li class='shift modifier font-glyph bottom left w15 layer-switch' data-layer='upper-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='\\zeta '><i>&zeta;</i></li>\n                <li class='keycap tex' data-insert='\\chi '><i>&chi;</i></li>\n                <li class='keycap tex' data-insert='\\psi '><i>&psi;</i></li>\n                <li class='keycap tex' data-insert='\\omega '><i>&omega;</i></li>\n                <li class='keycap tex' data-insert='\\beta '><i>&beta;</i></li>\n                <li class='keycap tex' data-insert='\\nu '><i>&nu;</i></li>\n                <li class='keycap tex' data-insert='\\mu '><i>&mu;</i></li>\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='keycap ' data-key=' '>&nbsp;</li>\n                <li class='keycap'>,</li>\n                <li class='keycap tex' data-insert='\\varepsilon '><i>&#x03b5;</i><aside>epsilon var.</aside></li>\n                <li class='keycap tex' data-insert='\\vartheta '><i>&#x03d1;</i><aside>theta var.</aside></li>\n                <li class='keycap tex' data-insert='\\varkappa '><i>&#x3f0;</i><aside>kappa var.</aside></li>\n                <li class='keycap tex' data-insert='\\varpi '><i>&#x03d6;<aside>pi var.</aside></i></li>\n                <li class='keycap tex' data-insert='\\varrho '><i>&#x03f1;</i><aside>rho var.</aside></li>\n                <arrows/>\n            </ul>\n        </div>","upper-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\Phi '>&Phi;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"0190}'>&#x0190;<aside>epsilon</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A1}'>&#x3A1;<aside>rho</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A4}'>&#x3A4;<aside>tau</aside></li>\n                <li class='keycap tex' data-insert='\\Upsilon '>&Upsilon;<aside>upsilon</aside></li>\n                <li class='keycap tex' data-insert='\\Theta '>&Theta;<aside>theta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"399}'>&Iota;<aside>iota</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39F}'>&#x039F;<aside>omicron</aside></li>\n                <li class='keycap tex' data-insert='\\Pi '>&Pi;<aside>pi</aside></li></ul>\n            <ul><li class='keycap tex' data-insert='{\\char\"391}'>&#x391;<aside>alpha</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='\\Delta '>&Delta;<aside>delta</aside></li>\n                <li class='keycap tex' data-insert='\\Phi '>&#x03a6;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Gamma '>&Gamma;<aside>gamma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"397}'>&Eta;<aside>eta</aside></li>\n                <li class='keycap tex' data-insert='\\Xi '>&Xi;<aside>xi</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39A}'>&Kappa;<aside>kappa</aside></li>\n                <li class='keycap tex' data-insert='\\Lambda '>&Lambda;<aside>lambda</aside></li></ul>\n            <ul><li class='shift modifier font-glyph bottom left selected w15 layer-switch' data-layer='lower-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='{\\char\"396}'>&Zeta;<aside>zeta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A7}'>&Chi;<aside>chi</aside></li>\n                <li class='keycap tex' data-insert='\\Psi '>&Psi;<aside>psi</aside></li>\n                <li class='keycap tex' data-insert='\\Omega '>&Omega;<aside>omega</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"392}'>&Beta;<aside>beta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39D}'>&Nu;<aside>nu</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39C}'>&Mu;<aside>mu</aside></li>\n                <li class='action font-glyph bottom right w15' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul>\n                <li class='separator w10'>&nbsp;</li>\n                <li class='keycap'>.</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-command":"\n        <div class='rows'>\n            <ul><row name='lower-1' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-2' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-3' class='tt' shift-layer='upper-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'>01#</li>\n                <li class='keycap tt' data-shifted='[' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"[\"]'>{</li>\n                <li class='keycap tt' data-shifted=']' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"]\"]'>}</li>\n                <li class='keycap tt' data-shifted='(' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"(\"]'>^</li>\n                <li class='keycap tt' data-shifted=')' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \")\"]'>_</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-command":"\n        <div class='rows'>\n            <ul><row name='upper-1' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-2' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-3' class='tt' shift-layer='lower-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'01#</li>\n                <li class='keycap tt'>[</li>\n                <li class='keycap tt'>]</li>\n                <li class='keycap tt'>(</li>\n                <li class='keycap tt'>)</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","symbols-command":"\n        <div class='rows'>\n            <ul><li class='keycap tt'>1</li><li class='keycap tt'>2</li><li class='keycap tt'>3</li><li class='keycap tt'>4</li><li class='keycap tt'>5</li><li class='keycap tt'>6</li><li class='keycap tt'>7</li><li class='keycap tt'>8</li><li class='keycap tt'>9</li><li class='keycap tt'>0</li></ul>\n            <ul><li class='keycap tt'>!</li><li class='keycap tt'>@</li><li class='keycap tt'>#</li><li class='keycap tt'>$</li><li class='keycap tt'>%</li><li class='keycap tt'>^</li><li class='keycap tt'>&</li><li class='keycap tt'>*</li><li class='keycap tt'>+</li><li class='keycap tt'>=</li></ul>\n            <ul>\n                <li class='keycap tt'>\\</li>\n                <li class='keycap tt'>|</li>\n                <li class='keycap tt'>/</li>\n                <li class='keycap tt'>`</li>\n                <li class='keycap tt'>;</li>\n                <li class='keycap tt'>:</li>\n                <li class='keycap tt'>?</li>\n                <li class='keycap tt'>'</li>\n                <li class='keycap tt'>\"</li>\n                <li class='action font-glyph bottom right'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='lower-command'>abc</li>\n                <li class='keycap tt'>&lt;</li>\n                <li class='keycap tt'>&gt;</li>\n                <li class='keycap tt'>~</li>\n                <li class='keycap tt'>,</li>\n                <li class='keycap tt'>.</li>\n                <li class='keycap' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",functions:"\n        <div class='rows'>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\sin'></li>\n                <li class='fnbutton' data-insert='\\sin^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln'></li>\n                <li class='fnbutton' data-insert='\\exponentialE^{#?}'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{lcm}(#?)$$' data-latex='\\operatorname{lcm}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{ceil}(#?)$$' data-latex='\\operatorname{ceil}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\lim_{n\\to\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{abs}(#?)$$' data-latex='\\operatorname{abs}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\cos'></li>\n                <li class='fnbutton' data-insert='\\cos^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln_{10}'></li>\n                <li class='fnbutton' data-insert='$$10^{#?}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{gcd}(#?)$$' data-latex='\\operatorname{gcd}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{floor}(#?)$$' data-latex='\\operatorname{floor}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\sum_{n\\mathop=0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int_{0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{sign}(#?)$$' data-latex='\\operatorname{sign}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\tan'></li>\n                <li class='fnbutton' data-insert='\\tan^{-1}'></li>\n                <li class='fnbutton' data-insert='$$\\log_{#?}$$'></li>\n                <li class='fnbutton' data-insert='$$\\sqrt[#?]{#0}$$'></li>\n                <li class='bigfnbutton' data-insert='$$#0 \\mod$$' data-latex='\\mod'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{round}(#?) $$' data-latex='\\operatorname{round}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\prod_{n\\mathop=0}^{\\infty}$$' data-latex='{\\tiny \\prod_{n=0}^{\\infty}}'></li>\n                <li class='bigfnbutton' data-insert='$$\\frac{\\differentialD #0}{\\differentialD x}$$'></li>\n                <li class='action font-glyph bottom right' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton'>(</li>\n                <li class='fnbutton'>)</li>\n                <li class='fnbutton' data-insert='$$^{#?} $$' data-latex='x^{#?} '></li>\n                <li class='fnbutton' data-insert='$$_{#?} $$' data-latex='x_{#?} '></li>\n                <li class='keycap w20 ' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",style:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590'></span></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size3\"}]' data-latex='\\scriptsize\\text{small}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size5\"}]' data-latex='\\scriptsize\\text{normal}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size9\"}]' data-latex='\\huge\\text{big}'></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-latex='\\langle' data-command='[\"insert\", \"\\\\langle\", {\"smartFence\":true}]'></li>\n            </ul>\n            <ul>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"l\"}]' data-latex='\\fontseries{l}\\text{Ab}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"m\"}]' data-latex='\\fontseries{m}\\text{Ab}'></li>\n                <li class='keycap' 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em"},{latex:'\\unicode{"203A}\\:\\unicode{"2039}',insert:"\\:",aside:"medium space<br>⁴⧸₁₈ em"},{latex:'\\unicode{"203A}\\;\\unicode{"2039}',insert:"\\;",aside:"thick space<br>⁵⧸₁₈ em"},{latex:'\\unicode{"203A}\\ \\unicode{"2039}',insert:"\\ ",aside:"⅓ em"},{latex:'\\unicode{"203A}\\enspace\\unicode{"2039}',insert:"\\enspace",aside:"½ em"},{latex:'\\unicode{"203A}\\quad\\unicode{"2039}',insert:"\\quad",aside:"1 em"},{latex:'\\unicode{"203A}\\qquad\\unicode{"2039}',insert:"\\qquad",aside:"2 em"}],delete:[{label:'<span class="warning"><svg><use xlink:href="#svg-trash" /></svg></span>',command:'"deleteAll"'}],"->|":[]};let Qi={};const es={math:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap tex' data-alt-keys='x-var'><i>x</i></li>\n                <li class='keycap tex' data-alt-keys='n-var'><i>n</i></li>\n                <li class='separator w5'></li>\n                <row name='numpad-1'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='$$\\exponentialE$$' data-alt-keys='ee'>e</li>\n                <li class='keycap tex' data-insert='$$\\imaginaryI$$' data-alt-keys='ii'>i</li>\n                <li class='keycap tex' data-latex='\\pi' data-alt-keys='numeric-pi'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-key='<' data-alt-keys='<'>&lt;</li>\n                <li class='keycap tex' data-key='>' data-alt-keys='>'>&gt;</li>\n                <li class='separator w5'></li>\n                <row name='numpad-2'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='x2' data-insert='$$#@^{2}$$'><span><i>x</i>&thinsp;²</span></li>\n                <li class='keycap tex' data-alt-keys='^' data-insert='$$#@^{#?}$$'><span><i>x</i><sup>&thinsp;<small>&#x2b1a;</small></sup></span></li>\n                <li class='keycap tex' data-alt-keys='sqrt' data-insert='$$\\sqrt{#0}$$' data-latex='\\sqrt{#0}'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-alt-keys='(' >(</li>\n                <li class='keycap tex' data-alt-keys=')' >)</li>\n                <li class='separator w5'></li>\n                <row name='numpad-3'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex small' data-alt-keys='int' data-latex='\\int_0^\\infty'><span></span></li>\n                <li class='keycap tex' data-latex='\\forall' data-alt-keys='logic' ></li>\n                <li class='action font-glyph bottom right' data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            </ul>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428; box-sizing: border-box'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590; box-sizing: border-box'></span></li>\n                <li class='separator w5'></li>\n                <row name='numpad-4'/>\n                <li class='separator w5'></li>\n                <arrows/>\n            </ul>\n        </div>\n    ","lower-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='lower-1' shift-layer='upper-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='lower-2'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='lower-3'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys=','>,</li>\n                <li class='keycap w50' data-key=' ' data-alt-keys='space'>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='upper-1'  shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='upper-2' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='upper-3' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys='.'>;</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",symbols:"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrace '>{</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrace '>}</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='set' data-insert='\\in '>&#x2208;</li>\n                <li class='keycap tex' data-alt-keys='!set' data-insert='\\notin '>&#x2209;</li>\n                <li class='keycap tex' data-insert='\\Re '>&#x211c;<aside>Real</aside></li>\n                <li class='keycap tex' data-insert='\\Im '>&#x2111;<aside>Imaginary</aside></li>\n                <li class='keycap w15' data-insert='\\ulcorner#0\\urcorner '><span><sup>&#x250c;</sup><span><span style='color:#ddd'>o</span><sup>&#x2510;</sup></span><aside>ceil</aside></li>\n                <li class='keycap tex' data-alt-keys='nabla' data-insert='\\nabla '>&#x2207;<aside>nabla</aside></li>\n                <li class='keycap tex' data-alt-keys='infinity' data-insert='\\infty '>&#x221e;</li>\n\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrack '>[</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrack '>]</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='subset' data-insert='\\subset '>&#x2282;</li>\n                <li class='keycap tex' data-alt-keys='supset' data-insert='\\supset '>&#x2283;</li>\n                <li class='keycap tex' data-key='!' data-alt-keys='!'>!<aside>factorial</aside></li>\n                <li class='keycap' data-insert='$$^{\\prime} $$'><span><sup><span><span style='color:#ddd'>o</span>&#x2032</sup></span><aside>prime</aside></li>\n                <li class='keycap w15' data-insert='\\llcorner#0\\lrcorner '><span><sub>&#x2514;</sub><span style='color:#ddd'>o</span><sub>&#x2518;</sub></span><aside>floor</aside></li>\n                <li class='keycap tex' data-insert='\\partial '>&#x2202;<aside>partial<br>derivative</aside></li>\n                <li class='keycap tex' data-insert='\\emptyset '>&#x2205;<aside>empty set</aside></li>\n\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\langle '>&#x27e8;</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rangle '>&#x27e9;</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='\\subseteq '>&#x2286;</li>\n                <li class='keycap tex' data-insert='\\supseteq '>&#x2287;</li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\vec{#@}$$' data-latex='\\vec{#?}' data-aside='vector'></li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\bar{#@}$$' data-latex='\\bar{#?}' data-aside='bar'></li>\n                <li class='keycap tex' data-alt-keys='absnorm' data-insert='$$\\left| #0 \\right|$$' data-latex='\\left| #? \\right|' data-aside='abs'></li>\n                <li class='keycap tex' data-insert='\\ast '>&#x2217;<aside>asterisk</aside></li>\n\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap tex' data-insert=','>,</li>\n                <li class='keycap tex' data-insert='\\cdot '>&#x22c5;<aside>centered dot</aside></li>\n                <li class='keycap tex' data-insert='\\colon '>:<aside>colon</aside></li>\n                <li class='keycap tex' data-insert='\\circ '>&#x2218;<aside>circle</aside></li>\n                <li class='keycap tex' data-insert='\\approx '>&#x2248;<aside>approx.</aside></li>\n                <li class='keycap tex' data-insert='\\ne '>&#x2260;</li>\n                <li class='keycap tex' data-insert='\\pm '>&#x00b1;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\varphi '><i>&#x03c6;</i><aside>phi var.</aside></li>\n                <li class='keycap tex' data-insert='\\varsigma '><i>&#x03c2;</i><aside>sigma var.</aside></li>\n                <li class='keycap tex' data-insert='\\epsilon '><i>&#x03f5;</i></li>\n                <li class='keycap tex' data-insert='\\rho '><i>&rho;</i></li>\n                <li class='keycap tex' data-insert='\\tau '><i>&tau;</i></li>\n                <li class='keycap tex' data-insert='\\upsilon '><i>&upsilon;</i></li>\n                <li class='keycap tex' data-insert='\\theta '><i>&theta;</i></li>\n                <li class='keycap tex' data-insert='\\iota '><i>&iota;</i></li>\n                <li class='keycap tex' data-insert='\\omicron '>&omicron;</i></li>\n                <li class='keycap tex' data-insert='\\pi '><i>&pi;</i></li>\n            </ul>\n            <ul><li class='keycap tex' data-insert='\\alpha ' data-shifted='&Alpha;' data-shifted-command='[\"insert\",\"{\\\\char\\\"391}\"]'><i>&alpha;</i></li>\n                <li class='keycap tex' data-insert='\\sigma '><i>&sigma;</i></li>\n                <li class='keycap tex' data-insert='\\delta '><i>&delta;</i></li>\n                <li class='keycap tex' data-insert='\\phi '><i>&#x03d5;</i></i></li>\n                <li class='keycap tex' data-insert='\\gamma '><i>&gamma;</i></li>\n                <li class='keycap tex' data-insert='\\eta '><i>&eta;</i></li>\n                <li class='keycap tex' data-insert='\\xi '><i>&xi;</i></li>\n                <li class='keycap tex' data-insert='\\kappa '><i>&kappa;</i></li>\n                <li class='keycap tex' data-insert='\\lambda '><i>&lambda;</i></li>\n            </ul>\n            <ul><li class='shift modifier font-glyph bottom left w15 layer-switch' data-layer='upper-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='\\zeta '><i>&zeta;</i></li>\n                <li class='keycap tex' data-insert='\\chi '><i>&chi;</i></li>\n                <li class='keycap tex' data-insert='\\psi '><i>&psi;</i></li>\n                <li class='keycap tex' data-insert='\\omega '><i>&omega;</i></li>\n                <li class='keycap tex' data-insert='\\beta '><i>&beta;</i></li>\n                <li class='keycap tex' data-insert='\\nu '><i>&nu;</i></li>\n                <li class='keycap tex' data-insert='\\mu '><i>&mu;</i></li>\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='keycap ' data-key=' '>&nbsp;</li>\n                <li class='keycap'>,</li>\n                <li class='keycap tex' data-insert='\\varepsilon '><i>&#x03b5;</i><aside>epsilon var.</aside></li>\n                <li class='keycap tex' data-insert='\\vartheta '><i>&#x03d1;</i><aside>theta var.</aside></li>\n                <li class='keycap tex' data-insert='\\varkappa '><i>&#x3f0;</i><aside>kappa var.</aside></li>\n                <li class='keycap tex' data-insert='\\varpi '><i>&#x03d6;<aside>pi var.</aside></i></li>\n                <li class='keycap tex' data-insert='\\varrho '><i>&#x03f1;</i><aside>rho var.</aside></li>\n                <arrows/>\n            </ul>\n        </div>","upper-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\Phi '>&Phi;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"0190}'>&#x0190;<aside>epsilon</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A1}'>&#x3A1;<aside>rho</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A4}'>&#x3A4;<aside>tau</aside></li>\n                <li class='keycap tex' data-insert='\\Upsilon '>&Upsilon;<aside>upsilon</aside></li>\n                <li class='keycap tex' data-insert='\\Theta '>&Theta;<aside>theta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"399}'>&Iota;<aside>iota</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39F}'>&#x039F;<aside>omicron</aside></li>\n                <li class='keycap tex' data-insert='\\Pi '>&Pi;<aside>pi</aside></li></ul>\n            <ul><li class='keycap tex' data-insert='{\\char\"391}'>&#x391;<aside>alpha</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='\\Delta '>&Delta;<aside>delta</aside></li>\n                <li class='keycap tex' data-insert='\\Phi '>&#x03a6;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Gamma '>&Gamma;<aside>gamma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"397}'>&Eta;<aside>eta</aside></li>\n                <li class='keycap tex' data-insert='\\Xi '>&Xi;<aside>xi</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39A}'>&Kappa;<aside>kappa</aside></li>\n                <li class='keycap tex' data-insert='\\Lambda '>&Lambda;<aside>lambda</aside></li></ul>\n            <ul><li class='shift modifier font-glyph bottom left selected w15 layer-switch' data-layer='lower-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='{\\char\"396}'>&Zeta;<aside>zeta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A7}'>&Chi;<aside>chi</aside></li>\n                <li class='keycap tex' data-insert='\\Psi '>&Psi;<aside>psi</aside></li>\n                <li class='keycap tex' data-insert='\\Omega '>&Omega;<aside>omega</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"392}'>&Beta;<aside>beta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39D}'>&Nu;<aside>nu</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39C}'>&Mu;<aside>mu</aside></li>\n                <li class='action font-glyph bottom right w15' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul>\n                <li class='separator w10'>&nbsp;</li>\n                <li class='keycap'>.</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-command":"\n        <div class='rows'>\n            <ul><row name='lower-1' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-2' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-3' class='tt' shift-layer='upper-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'>01#</li>\n                <li class='keycap tt' data-shifted='[' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"[\"]'>{</li>\n                <li class='keycap tt' data-shifted=']' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"]\"]'>}</li>\n                <li class='keycap tt' data-shifted='(' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"(\"]'>^</li>\n                <li class='keycap tt' data-shifted=')' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \")\"]'>_</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-command":"\n        <div class='rows'>\n            <ul><row name='upper-1' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-2' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-3' class='tt' shift-layer='lower-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'01#</li>\n                <li class='keycap tt'>[</li>\n                <li class='keycap tt'>]</li>\n                <li class='keycap tt'>(</li>\n                <li class='keycap tt'>)</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","symbols-command":"\n        <div class='rows'>\n            <ul><li class='keycap tt'>1</li><li class='keycap tt'>2</li><li class='keycap tt'>3</li><li class='keycap tt'>4</li><li class='keycap tt'>5</li><li class='keycap tt'>6</li><li class='keycap tt'>7</li><li class='keycap tt'>8</li><li class='keycap tt'>9</li><li class='keycap tt'>0</li></ul>\n            <ul><li class='keycap tt'>!</li><li class='keycap tt'>@</li><li class='keycap tt'>#</li><li class='keycap tt'>$</li><li class='keycap tt'>%</li><li class='keycap tt'>^</li><li class='keycap tt'>&</li><li class='keycap tt'>*</li><li class='keycap tt'>+</li><li class='keycap tt'>=</li></ul>\n            <ul>\n                <li class='keycap tt'>\\</li>\n                <li class='keycap tt'>|</li>\n                <li class='keycap tt'>/</li>\n                <li class='keycap tt'>`</li>\n                <li class='keycap tt'>;</li>\n                <li class='keycap tt'>:</li>\n                <li class='keycap tt'>?</li>\n                <li class='keycap tt'>'</li>\n                <li class='keycap tt'>\"</li>\n                <li class='action font-glyph bottom right'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='lower-command'>abc</li>\n                <li class='keycap tt'>&lt;</li>\n                <li class='keycap tt'>&gt;</li>\n                <li class='keycap tt'>~</li>\n                <li class='keycap tt'>,</li>\n                <li class='keycap tt'>.</li>\n                <li class='keycap' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",functions:"\n        <div class='rows'>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\sin'></li>\n                <li class='fnbutton' data-insert='\\sin^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln'></li>\n                <li class='fnbutton' data-insert='\\exponentialE^{#?}'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{lcm}(#?)$$' data-latex='\\operatorname{lcm}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{ceil}(#?)$$' data-latex='\\operatorname{ceil}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\lim_{n\\to\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{abs}(#?)$$' data-latex='\\operatorname{abs}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\cos'></li>\n                <li class='fnbutton' data-insert='\\cos^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln_{10}'></li>\n                <li class='fnbutton' data-insert='$$10^{#?}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{gcd}(#?)$$' data-latex='\\operatorname{gcd}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{floor}(#?)$$' data-latex='\\operatorname{floor}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\sum_{n\\mathop=0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int_{0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{sign}(#?)$$' data-latex='\\operatorname{sign}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\tan'></li>\n                <li class='fnbutton' data-insert='\\tan^{-1}'></li>\n                <li class='fnbutton' data-insert='$$\\log_{#?}$$'></li>\n                <li class='fnbutton' data-insert='$$\\sqrt[#?]{#0}$$'></li>\n                <li class='bigfnbutton' data-insert='$$#0 \\mod$$' data-latex='\\mod'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{round}(#?) $$' data-latex='\\operatorname{round}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\prod_{n\\mathop=0}^{\\infty}$$' data-latex='{\\tiny \\prod_{n=0}^{\\infty}}'></li>\n                <li class='bigfnbutton' data-insert='$$\\frac{\\differentialD #0}{\\differentialD x}$$'></li>\n                <li class='action font-glyph bottom right' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton'>(</li>\n                <li class='fnbutton'>)</li>\n                <li class='fnbutton' data-insert='$$^{#?} $$' data-latex='x^{#?} '></li>\n                <li class='fnbutton' data-insert='$$_{#?} $$' data-latex='x_{#?} '></li>\n                <li class='keycap w20 ' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",style:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590'></span></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size3\"}]' data-latex='\\scriptsize\\text{small}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size5\"}]' data-latex='\\scriptsize\\text{normal}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size9\"}]' data-latex='\\huge\\text{big}'></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-latex='\\langle' data-command='[\"insert\", \"\\\\langle\", {\"smartFence\":true}]'></li>\n            </ul>\n            <ul>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"l\"}]' data-latex='\\fontseries{l}\\text{Ab}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"m\"}]' data-latex='\\fontseries{m}\\text{Ab}'></li>\n                <li class='keycap' 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index 31eb03e2a..95cee0e49 100644
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em"},{latex:'\\unicode{"203A}\\:\\unicode{"2039}',insert:"\\:",aside:"medium space<br>⁴⧸₁₈ em"},{latex:'\\unicode{"203A}\\;\\unicode{"2039}',insert:"\\;",aside:"thick space<br>⁵⧸₁₈ em"},{latex:'\\unicode{"203A}\\ \\unicode{"2039}',insert:"\\ ",aside:"⅓ em"},{latex:'\\unicode{"203A}\\enspace\\unicode{"2039}',insert:"\\enspace",aside:"½ em"},{latex:'\\unicode{"203A}\\quad\\unicode{"2039}',insert:"\\quad",aside:"1 em"},{latex:'\\unicode{"203A}\\qquad\\unicode{"2039}',insert:"\\qquad",aside:"2 em"}],delete:[{label:'<span class="warning"><svg><use xlink:href="#svg-trash" /></svg></span>',command:'"deleteAll"'}],"->|":[]};let Qi={};const es={math:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap tex' data-alt-keys='x-var'><i>x</i></li>\n                <li class='keycap tex' data-alt-keys='n-var'><i>n</i></li>\n                <li class='separator w5'></li>\n                <row name='numpad-1'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='$$\\exponentialE$$' data-alt-keys='ee'>e</li>\n                <li class='keycap tex' data-insert='$$\\imaginaryI$$' data-alt-keys='ii'>i</li>\n                <li class='keycap tex' data-latex='\\pi' data-alt-keys='numeric-pi'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-key='<' data-alt-keys='<'>&lt;</li>\n                <li class='keycap tex' data-key='>' data-alt-keys='>'>&gt;</li>\n                <li class='separator w5'></li>\n                <row name='numpad-2'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='x2' data-insert='$$#@^{2}$$'><span><i>x</i>&thinsp;²</span></li>\n                <li class='keycap tex' data-alt-keys='^' data-insert='$$#@^{#?}$$'><span><i>x</i><sup>&thinsp;<small>&#x2b1a;</small></sup></span></li>\n                <li class='keycap tex' data-alt-keys='sqrt' data-insert='$$\\sqrt{#0}$$' data-latex='\\sqrt{#0}'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-alt-keys='(' >(</li>\n                <li class='keycap tex' data-alt-keys=')' >)</li>\n                <li class='separator w5'></li>\n                <row name='numpad-3'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex small' data-alt-keys='int' data-latex='\\int_0^\\infty'><span></span></li>\n                <li class='keycap tex' data-latex='\\forall' data-alt-keys='logic' ></li>\n                <li class='action font-glyph bottom right' data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            </ul>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428; box-sizing: border-box'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590; box-sizing: border-box'></span></li>\n                <li class='separator w5'></li>\n                <row name='numpad-4'/>\n                <li class='separator w5'></li>\n                <arrows/>\n            </ul>\n        </div>\n    ","lower-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='lower-1' shift-layer='upper-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='lower-2'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='lower-3'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys=','>,</li>\n                <li class='keycap w50' data-key=' ' data-alt-keys='space'>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='upper-1'  shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='upper-2' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='upper-3' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys='.'>;</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",symbols:"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrace '>{</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrace '>}</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='set' data-insert='\\in '>&#x2208;</li>\n                <li class='keycap tex' data-alt-keys='!set' data-insert='\\notin '>&#x2209;</li>\n                <li class='keycap tex' data-insert='\\Re '>&#x211c;<aside>Real</aside></li>\n                <li class='keycap tex' data-insert='\\Im '>&#x2111;<aside>Imaginary</aside></li>\n                <li class='keycap w15' data-insert='\\ulcorner#0\\urcorner '><span><sup>&#x250c;</sup><span><span style='color:#ddd'>o</span><sup>&#x2510;</sup></span><aside>ceil</aside></li>\n                <li class='keycap tex' data-alt-keys='nabla' data-insert='\\nabla '>&#x2207;<aside>nabla</aside></li>\n                <li class='keycap tex' data-alt-keys='infinity' data-insert='\\infty '>&#x221e;</li>\n\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrack '>[</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrack '>]</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='subset' data-insert='\\subset '>&#x2282;</li>\n                <li class='keycap tex' data-alt-keys='supset' data-insert='\\supset '>&#x2283;</li>\n                <li class='keycap tex' data-key='!' data-alt-keys='!'>!<aside>factorial</aside></li>\n                <li class='keycap' data-insert='$$^{\\prime} $$'><span><sup><span><span style='color:#ddd'>o</span>&#x2032</sup></span><aside>prime</aside></li>\n                <li class='keycap w15' data-insert='\\llcorner#0\\lrcorner '><span><sub>&#x2514;</sub><span style='color:#ddd'>o</span><sub>&#x2518;</sub></span><aside>floor</aside></li>\n                <li class='keycap tex' data-insert='\\partial '>&#x2202;<aside>partial<br>derivative</aside></li>\n                <li class='keycap tex' data-insert='\\emptyset '>&#x2205;<aside>empty set</aside></li>\n\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\langle '>&#x27e8;</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rangle '>&#x27e9;</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='\\subseteq '>&#x2286;</li>\n                <li class='keycap tex' data-insert='\\supseteq '>&#x2287;</li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\vec{#@}$$' data-latex='\\vec{#?}' data-aside='vector'></li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\bar{#@}$$' data-latex='\\bar{#?}' data-aside='bar'></li>\n                <li class='keycap tex' data-alt-keys='absnorm' data-insert='$$\\left| #0 \\right|$$' data-latex='\\left| #? \\right|' data-aside='abs'></li>\n                <li class='keycap tex' data-insert='\\ast '>&#x2217;<aside>asterisk</aside></li>\n\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap tex' data-insert=','>,</li>\n                <li class='keycap tex' data-insert='\\cdot '>&#x22c5;<aside>centered dot</aside></li>\n                <li class='keycap tex' data-insert='\\colon '>:<aside>colon</aside></li>\n                <li class='keycap tex' data-insert='\\circ '>&#x2218;<aside>circle</aside></li>\n                <li class='keycap tex' data-insert='\\approx '>&#x2248;<aside>approx.</aside></li>\n                <li class='keycap tex' data-insert='\\ne '>&#x2260;</li>\n                <li class='keycap tex' data-insert='\\pm '>&#x00b1;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\varphi '><i>&#x03c6;</i><aside>phi var.</aside></li>\n                <li class='keycap tex' data-insert='\\varsigma '><i>&#x03c2;</i><aside>sigma var.</aside></li>\n                <li class='keycap tex' data-insert='\\epsilon '><i>&#x03f5;</i></li>\n                <li class='keycap tex' data-insert='\\rho '><i>&rho;</i></li>\n                <li class='keycap tex' data-insert='\\tau '><i>&tau;</i></li>\n                <li class='keycap tex' data-insert='\\upsilon '><i>&upsilon;</i></li>\n                <li class='keycap tex' data-insert='\\theta '><i>&theta;</i></li>\n                <li class='keycap tex' data-insert='\\iota '><i>&iota;</i></li>\n                <li class='keycap tex' data-insert='\\omicron '>&omicron;</i></li>\n                <li class='keycap tex' data-insert='\\pi '><i>&pi;</i></li>\n            </ul>\n            <ul><li class='keycap tex' data-insert='\\alpha ' data-shifted='&Alpha;' data-shifted-command='[\"insert\",\"{\\\\char\\\"391}\"]'><i>&alpha;</i></li>\n                <li class='keycap tex' data-insert='\\sigma '><i>&sigma;</i></li>\n                <li class='keycap tex' data-insert='\\delta '><i>&delta;</i></li>\n                <li class='keycap tex' data-insert='\\phi '><i>&#x03d5;</i></i></li>\n                <li class='keycap tex' data-insert='\\gamma '><i>&gamma;</i></li>\n                <li class='keycap tex' data-insert='\\eta '><i>&eta;</i></li>\n                <li class='keycap tex' data-insert='\\xi '><i>&xi;</i></li>\n                <li class='keycap tex' data-insert='\\kappa '><i>&kappa;</i></li>\n                <li class='keycap tex' data-insert='\\lambda '><i>&lambda;</i></li>\n            </ul>\n            <ul><li class='shift modifier font-glyph bottom left w15 layer-switch' data-layer='upper-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='\\zeta '><i>&zeta;</i></li>\n                <li class='keycap tex' data-insert='\\chi '><i>&chi;</i></li>\n                <li class='keycap tex' data-insert='\\psi '><i>&psi;</i></li>\n                <li class='keycap tex' data-insert='\\omega '><i>&omega;</i></li>\n                <li class='keycap tex' data-insert='\\beta '><i>&beta;</i></li>\n                <li class='keycap tex' data-insert='\\nu '><i>&nu;</i></li>\n                <li class='keycap tex' data-insert='\\mu '><i>&mu;</i></li>\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='keycap ' data-key=' '>&nbsp;</li>\n                <li class='keycap'>,</li>\n                <li class='keycap tex' data-insert='\\varepsilon '><i>&#x03b5;</i><aside>epsilon var.</aside></li>\n                <li class='keycap tex' data-insert='\\vartheta '><i>&#x03d1;</i><aside>theta var.</aside></li>\n                <li class='keycap tex' data-insert='\\varkappa '><i>&#x3f0;</i><aside>kappa var.</aside></li>\n                <li class='keycap tex' data-insert='\\varpi '><i>&#x03d6;<aside>pi var.</aside></i></li>\n                <li class='keycap tex' data-insert='\\varrho '><i>&#x03f1;</i><aside>rho var.</aside></li>\n                <arrows/>\n            </ul>\n        </div>","upper-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\Phi '>&Phi;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"0190}'>&#x0190;<aside>epsilon</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A1}'>&#x3A1;<aside>rho</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A4}'>&#x3A4;<aside>tau</aside></li>\n                <li class='keycap tex' data-insert='\\Upsilon '>&Upsilon;<aside>upsilon</aside></li>\n                <li class='keycap tex' data-insert='\\Theta '>&Theta;<aside>theta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"399}'>&Iota;<aside>iota</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39F}'>&#x039F;<aside>omicron</aside></li>\n                <li class='keycap tex' data-insert='\\Pi '>&Pi;<aside>pi</aside></li></ul>\n            <ul><li class='keycap tex' data-insert='{\\char\"391}'>&#x391;<aside>alpha</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='\\Delta '>&Delta;<aside>delta</aside></li>\n                <li class='keycap tex' data-insert='\\Phi '>&#x03a6;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Gamma '>&Gamma;<aside>gamma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"397}'>&Eta;<aside>eta</aside></li>\n                <li class='keycap tex' data-insert='\\Xi '>&Xi;<aside>xi</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39A}'>&Kappa;<aside>kappa</aside></li>\n                <li class='keycap tex' data-insert='\\Lambda '>&Lambda;<aside>lambda</aside></li></ul>\n            <ul><li class='shift modifier font-glyph bottom left selected w15 layer-switch' data-layer='lower-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='{\\char\"396}'>&Zeta;<aside>zeta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A7}'>&Chi;<aside>chi</aside></li>\n                <li class='keycap tex' data-insert='\\Psi '>&Psi;<aside>psi</aside></li>\n                <li class='keycap tex' data-insert='\\Omega '>&Omega;<aside>omega</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"392}'>&Beta;<aside>beta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39D}'>&Nu;<aside>nu</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39C}'>&Mu;<aside>mu</aside></li>\n                <li class='action font-glyph bottom right w15' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul>\n                <li class='separator w10'>&nbsp;</li>\n                <li class='keycap'>.</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-command":"\n        <div class='rows'>\n            <ul><row name='lower-1' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-2' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-3' class='tt' shift-layer='upper-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'>01#</li>\n                <li class='keycap tt' data-shifted='[' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"[\"]'>{</li>\n                <li class='keycap tt' data-shifted=']' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"]\"]'>}</li>\n                <li class='keycap tt' data-shifted='(' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"(\"]'>^</li>\n                <li class='keycap tt' data-shifted=')' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \")\"]'>_</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-command":"\n        <div class='rows'>\n            <ul><row name='upper-1' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-2' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-3' class='tt' shift-layer='lower-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'01#</li>\n                <li class='keycap tt'>[</li>\n                <li class='keycap tt'>]</li>\n                <li class='keycap tt'>(</li>\n                <li class='keycap tt'>)</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","symbols-command":"\n        <div class='rows'>\n            <ul><li class='keycap tt'>1</li><li class='keycap tt'>2</li><li class='keycap tt'>3</li><li class='keycap tt'>4</li><li class='keycap tt'>5</li><li class='keycap tt'>6</li><li class='keycap tt'>7</li><li class='keycap tt'>8</li><li class='keycap tt'>9</li><li class='keycap tt'>0</li></ul>\n            <ul><li class='keycap tt'>!</li><li class='keycap tt'>@</li><li class='keycap tt'>#</li><li class='keycap tt'>$</li><li class='keycap tt'>%</li><li class='keycap tt'>^</li><li class='keycap tt'>&</li><li class='keycap tt'>*</li><li class='keycap tt'>+</li><li class='keycap tt'>=</li></ul>\n            <ul>\n                <li class='keycap tt'>\\</li>\n                <li class='keycap tt'>|</li>\n                <li class='keycap tt'>/</li>\n                <li class='keycap tt'>`</li>\n                <li class='keycap tt'>;</li>\n                <li class='keycap tt'>:</li>\n                <li class='keycap tt'>?</li>\n                <li class='keycap tt'>'</li>\n                <li class='keycap tt'>\"</li>\n                <li class='action font-glyph bottom right'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='lower-command'>abc</li>\n                <li class='keycap tt'>&lt;</li>\n                <li class='keycap tt'>&gt;</li>\n                <li class='keycap tt'>~</li>\n                <li class='keycap tt'>,</li>\n                <li class='keycap tt'>.</li>\n                <li class='keycap' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",functions:"\n        <div class='rows'>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\sin'></li>\n                <li class='fnbutton' data-insert='\\sin^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln'></li>\n                <li class='fnbutton' data-insert='\\exponentialE^{#?}'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{lcm}(#?)$$' data-latex='\\operatorname{lcm}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{ceil}(#?)$$' data-latex='\\operatorname{ceil}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\lim_{n\\to\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{abs}(#?)$$' data-latex='\\operatorname{abs}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\cos'></li>\n                <li class='fnbutton' data-insert='\\cos^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln_{10}'></li>\n                <li class='fnbutton' data-insert='$$10^{#?}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{gcd}(#?)$$' data-latex='\\operatorname{gcd}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{floor}(#?)$$' data-latex='\\operatorname{floor}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\sum_{n\\mathop=0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int_{0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{sign}(#?)$$' data-latex='\\operatorname{sign}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\tan'></li>\n                <li class='fnbutton' data-insert='\\tan^{-1}'></li>\n                <li class='fnbutton' data-insert='$$\\log_{#?}$$'></li>\n                <li class='fnbutton' data-insert='$$\\sqrt[#?]{#0}$$'></li>\n                <li class='bigfnbutton' data-insert='$$#0 \\mod$$' data-latex='\\mod'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{round}(#?) $$' data-latex='\\operatorname{round}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\prod_{n\\mathop=0}^{\\infty}$$' data-latex='{\\tiny \\prod_{n=0}^{\\infty}}'></li>\n                <li class='bigfnbutton' data-insert='$$\\frac{\\differentialD #0}{\\differentialD x}$$'></li>\n                <li class='action font-glyph bottom right' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton'>(</li>\n                <li class='fnbutton'>)</li>\n                <li class='fnbutton' data-insert='$$^{#?} $$' data-latex='x^{#?} '></li>\n                <li class='fnbutton' data-insert='$$_{#?} $$' data-latex='x_{#?} '></li>\n                <li class='keycap w20 ' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",style:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590'></span></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size3\"}]' data-latex='\\scriptsize\\text{small}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size5\"}]' data-latex='\\scriptsize\\text{normal}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size9\"}]' data-latex='\\huge\\text{big}'></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-latex='\\langle' data-command='[\"insert\", \"\\\\langle\", {\"smartFence\":true}]'></li>\n            </ul>\n            <ul>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"l\"}]' data-latex='\\fontseries{l}\\text{Ab}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"m\"}]' data-latex='\\fontseries{m}\\text{Ab}'></li>\n                <li class='keycap' 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em"},{latex:'\\unicode{"203A}\\:\\unicode{"2039}',insert:"\\:",aside:"medium space<br>⁴⧸₁₈ em"},{latex:'\\unicode{"203A}\\;\\unicode{"2039}',insert:"\\;",aside:"thick space<br>⁵⧸₁₈ em"},{latex:'\\unicode{"203A}\\ \\unicode{"2039}',insert:"\\ ",aside:"⅓ em"},{latex:'\\unicode{"203A}\\enspace\\unicode{"2039}',insert:"\\enspace",aside:"½ em"},{latex:'\\unicode{"203A}\\quad\\unicode{"2039}',insert:"\\quad",aside:"1 em"},{latex:'\\unicode{"203A}\\qquad\\unicode{"2039}',insert:"\\qquad",aside:"2 em"}],delete:[{label:'<span class="warning"><svg><use xlink:href="#svg-trash" /></svg></span>',command:'"deleteAll"'}],"->|":[]};let Qi={};const es={math:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap tex' data-alt-keys='x-var'><i>x</i></li>\n                <li class='keycap tex' data-alt-keys='n-var'><i>n</i></li>\n                <li class='separator w5'></li>\n                <row name='numpad-1'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='$$\\exponentialE$$' data-alt-keys='ee'>e</li>\n                <li class='keycap tex' data-insert='$$\\imaginaryI$$' data-alt-keys='ii'>i</li>\n                <li class='keycap tex' data-latex='\\pi' data-alt-keys='numeric-pi'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-key='<' data-alt-keys='<'>&lt;</li>\n                <li class='keycap tex' data-key='>' data-alt-keys='>'>&gt;</li>\n                <li class='separator w5'></li>\n                <row name='numpad-2'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='x2' data-insert='$$#@^{2}$$'><span><i>x</i>&thinsp;²</span></li>\n                <li class='keycap tex' data-alt-keys='^' data-insert='$$#@^{#?}$$'><span><i>x</i><sup>&thinsp;<small>&#x2b1a;</small></sup></span></li>\n                <li class='keycap tex' data-alt-keys='sqrt' data-insert='$$\\sqrt{#0}$$' data-latex='\\sqrt{#0}'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-alt-keys='(' >(</li>\n                <li class='keycap tex' data-alt-keys=')' >)</li>\n                <li class='separator w5'></li>\n                <row name='numpad-3'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex small' data-alt-keys='int' data-latex='\\int_0^\\infty'><span></span></li>\n                <li class='keycap tex' data-latex='\\forall' data-alt-keys='logic' ></li>\n                <li class='action font-glyph bottom right' data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            </ul>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428; box-sizing: border-box'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590; box-sizing: border-box'></span></li>\n                <li class='separator w5'></li>\n                <row name='numpad-4'/>\n                <li class='separator w5'></li>\n                <arrows/>\n            </ul>\n        </div>\n    ","lower-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='lower-1' shift-layer='upper-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='lower-2'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='lower-3'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys=','>,</li>\n                <li class='keycap w50' data-key=' ' data-alt-keys='space'>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='upper-1'  shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='upper-2' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='upper-3' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap' >;</li>\n                <li class='keycap' data-alt-keys='.'>;</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",symbols:"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrace '>{</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrace '>}</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='set' data-insert='\\in '>&#x2208;</li>\n                <li class='keycap tex' data-alt-keys='!set' data-insert='\\notin '>&#x2209;</li>\n                <li class='keycap tex' data-insert='\\Re '>&#x211c;<aside>Real</aside></li>\n                <li class='keycap tex' data-insert='\\Im '>&#x2111;<aside>Imaginary</aside></li>\n                <li class='keycap w15' data-insert='\\ulcorner#0\\urcorner '><span><sup>&#x250c;</sup><span><span style='color:#ddd'>o</span><sup>&#x2510;</sup></span><aside>ceil</aside></li>\n                <li class='keycap tex' data-alt-keys='nabla' data-insert='\\nabla '>&#x2207;<aside>nabla</aside></li>\n                <li class='keycap tex' data-alt-keys='infinity' data-insert='\\infty '>&#x221e;</li>\n\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrack '>[</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrack '>]</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='subset' data-insert='\\subset '>&#x2282;</li>\n                <li class='keycap tex' data-alt-keys='supset' data-insert='\\supset '>&#x2283;</li>\n                <li class='keycap tex' data-key='!' data-alt-keys='!'>!<aside>factorial</aside></li>\n                <li class='keycap' data-insert='$$^{\\prime} $$'><span><sup><span><span style='color:#ddd'>o</span>&#x2032</sup></span><aside>prime</aside></li>\n                <li class='keycap w15' data-insert='\\llcorner#0\\lrcorner '><span><sub>&#x2514;</sub><span style='color:#ddd'>o</span><sub>&#x2518;</sub></span><aside>floor</aside></li>\n                <li class='keycap tex' data-insert='\\partial '>&#x2202;<aside>partial<br>derivative</aside></li>\n                <li class='keycap tex' data-insert='\\emptyset '>&#x2205;<aside>empty set</aside></li>\n\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\langle '>&#x27e8;</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rangle '>&#x27e9;</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='\\subseteq '>&#x2286;</li>\n                <li class='keycap tex' data-insert='\\supseteq '>&#x2287;</li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\vec{#@}$$' data-latex='\\vec{#?}' data-aside='vector'></li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='$$\\bar{#@}$$' data-latex='\\bar{#?}' data-aside='bar'></li>\n                <li class='keycap tex' data-alt-keys='absnorm' data-insert='$$\\left| #0 \\right|$$' data-latex='\\left| #? \\right|' data-aside='abs'></li>\n                <li class='keycap tex' data-insert='\\ast '>&#x2217;<aside>asterisk</aside></li>\n\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='keycap tex' data-insert=','>,</li>\n                <li class='keycap tex' data-insert='\\cdot '>&#x22c5;<aside>centered dot</aside></li>\n                <li class='keycap tex' data-insert='\\colon '>:<aside>colon</aside></li>\n                <li class='keycap tex' data-insert='\\circ '>&#x2218;<aside>circle</aside></li>\n                <li class='keycap tex' data-insert='\\approx '>&#x2248;<aside>approx.</aside></li>\n                <li class='keycap tex' data-insert='\\ne '>&#x2260;</li>\n                <li class='keycap tex' data-insert='\\pm '>&#x00b1;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\varphi '><i>&#x03c6;</i><aside>phi var.</aside></li>\n                <li class='keycap tex' data-insert='\\varsigma '><i>&#x03c2;</i><aside>sigma var.</aside></li>\n                <li class='keycap tex' data-insert='\\epsilon '><i>&#x03f5;</i></li>\n                <li class='keycap tex' data-insert='\\rho '><i>&rho;</i></li>\n                <li class='keycap tex' data-insert='\\tau '><i>&tau;</i></li>\n                <li class='keycap tex' data-insert='\\upsilon '><i>&upsilon;</i></li>\n                <li class='keycap tex' data-insert='\\theta '><i>&theta;</i></li>\n                <li class='keycap tex' data-insert='\\iota '><i>&iota;</i></li>\n                <li class='keycap tex' data-insert='\\omicron '>&omicron;</i></li>\n                <li class='keycap tex' data-insert='\\pi '><i>&pi;</i></li>\n            </ul>\n            <ul><li class='keycap tex' data-insert='\\alpha ' data-shifted='&Alpha;' data-shifted-command='[\"insert\",\"{\\\\char\\\"391}\"]'><i>&alpha;</i></li>\n                <li class='keycap tex' data-insert='\\sigma '><i>&sigma;</i></li>\n                <li class='keycap tex' data-insert='\\delta '><i>&delta;</i></li>\n                <li class='keycap tex' data-insert='\\phi '><i>&#x03d5;</i></i></li>\n                <li class='keycap tex' data-insert='\\gamma '><i>&gamma;</i></li>\n                <li class='keycap tex' data-insert='\\eta '><i>&eta;</i></li>\n                <li class='keycap tex' data-insert='\\xi '><i>&xi;</i></li>\n                <li class='keycap tex' data-insert='\\kappa '><i>&kappa;</i></li>\n                <li class='keycap tex' data-insert='\\lambda '><i>&lambda;</i></li>\n            </ul>\n            <ul><li class='shift modifier font-glyph bottom left w15 layer-switch' data-layer='upper-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='\\zeta '><i>&zeta;</i></li>\n                <li class='keycap tex' data-insert='\\chi '><i>&chi;</i></li>\n                <li class='keycap tex' data-insert='\\psi '><i>&psi;</i></li>\n                <li class='keycap tex' data-insert='\\omega '><i>&omega;</i></li>\n                <li class='keycap tex' data-insert='\\beta '><i>&beta;</i></li>\n                <li class='keycap tex' data-insert='\\nu '><i>&nu;</i></li>\n                <li class='keycap tex' data-insert='\\mu '><i>&mu;</i></li>\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='keycap ' data-key=' '>&nbsp;</li>\n                <li class='keycap'>,</li>\n                <li class='keycap tex' data-insert='\\varepsilon '><i>&#x03b5;</i><aside>epsilon var.</aside></li>\n                <li class='keycap tex' data-insert='\\vartheta '><i>&#x03d1;</i><aside>theta var.</aside></li>\n                <li class='keycap tex' data-insert='\\varkappa '><i>&#x3f0;</i><aside>kappa var.</aside></li>\n                <li class='keycap tex' data-insert='\\varpi '><i>&#x03d6;<aside>pi var.</aside></i></li>\n                <li class='keycap tex' data-insert='\\varrho '><i>&#x03f1;</i><aside>rho var.</aside></li>\n                <arrows/>\n            </ul>\n        </div>","upper-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\Phi '>&Phi;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"0190}'>&#x0190;<aside>epsilon</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A1}'>&#x3A1;<aside>rho</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A4}'>&#x3A4;<aside>tau</aside></li>\n                <li class='keycap tex' data-insert='\\Upsilon '>&Upsilon;<aside>upsilon</aside></li>\n                <li class='keycap tex' data-insert='\\Theta '>&Theta;<aside>theta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"399}'>&Iota;<aside>iota</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39F}'>&#x039F;<aside>omicron</aside></li>\n                <li class='keycap tex' data-insert='\\Pi '>&Pi;<aside>pi</aside></li></ul>\n            <ul><li class='keycap tex' data-insert='{\\char\"391}'>&#x391;<aside>alpha</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='\\Delta '>&Delta;<aside>delta</aside></li>\n                <li class='keycap tex' data-insert='\\Phi '>&#x03a6;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Gamma '>&Gamma;<aside>gamma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"397}'>&Eta;<aside>eta</aside></li>\n                <li class='keycap tex' data-insert='\\Xi '>&Xi;<aside>xi</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39A}'>&Kappa;<aside>kappa</aside></li>\n                <li class='keycap tex' data-insert='\\Lambda '>&Lambda;<aside>lambda</aside></li></ul>\n            <ul><li class='shift modifier font-glyph bottom left selected w15 layer-switch' data-layer='lower-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='{\\char\"396}'>&Zeta;<aside>zeta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A7}'>&Chi;<aside>chi</aside></li>\n                <li class='keycap tex' data-insert='\\Psi '>&Psi;<aside>psi</aside></li>\n                <li class='keycap tex' data-insert='\\Omega '>&Omega;<aside>omega</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"392}'>&Beta;<aside>beta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39D}'>&Nu;<aside>nu</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39C}'>&Mu;<aside>mu</aside></li>\n                <li class='action font-glyph bottom right w15' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul>\n                <li class='separator w10'>&nbsp;</li>\n                <li class='keycap'>.</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-command":"\n        <div class='rows'>\n            <ul><row name='lower-1' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-2' class='tt' shift-layer='upper-command'/></ul>\n            <ul><row name='lower-3' class='tt' shift-layer='upper-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'>01#</li>\n                <li class='keycap tt' data-shifted='[' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"[\"]'>{</li>\n                <li class='keycap tt' data-shifted=']' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"]\"]'>}</li>\n                <li class='keycap tt' data-shifted='(' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"(\"]'>^</li>\n                <li class='keycap tt' data-shifted=')' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \")\"]'>_</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-command":"\n        <div class='rows'>\n            <ul><row name='upper-1' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-2' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-3' class='tt' shift-layer='lower-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols-command'01#</li>\n                <li class='keycap tt'>[</li>\n                <li class='keycap tt'>]</li>\n                <li class='keycap tt'>(</li>\n                <li class='keycap tt'>)</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","symbols-command":"\n        <div class='rows'>\n            <ul><li class='keycap tt'>1</li><li class='keycap tt'>2</li><li class='keycap tt'>3</li><li class='keycap tt'>4</li><li class='keycap tt'>5</li><li class='keycap tt'>6</li><li class='keycap tt'>7</li><li class='keycap tt'>8</li><li class='keycap tt'>9</li><li class='keycap tt'>0</li></ul>\n            <ul><li class='keycap tt'>!</li><li class='keycap tt'>@</li><li class='keycap tt'>#</li><li class='keycap tt'>$</li><li class='keycap tt'>%</li><li class='keycap tt'>^</li><li class='keycap tt'>&</li><li class='keycap tt'>*</li><li class='keycap tt'>+</li><li class='keycap tt'>=</li></ul>\n            <ul>\n                <li class='keycap tt'>\\</li>\n                <li class='keycap tt'>|</li>\n                <li class='keycap tt'>/</li>\n                <li class='keycap tt'>`</li>\n                <li class='keycap tt'>;</li>\n                <li class='keycap tt'>:</li>\n                <li class='keycap tt'>?</li>\n                <li class='keycap tt'>'</li>\n                <li class='keycap tt'>\"</li>\n                <li class='action font-glyph bottom right'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='lower-command'>abc</li>\n                <li class='keycap tt'>&lt;</li>\n                <li class='keycap tt'>&gt;</li>\n                <li class='keycap tt'>~</li>\n                <li class='keycap tt'>,</li>\n                <li class='keycap tt'>.</li>\n                <li class='keycap' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",functions:"\n        <div class='rows'>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\sin'></li>\n                <li class='fnbutton' data-insert='\\sin^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln'></li>\n                <li class='fnbutton' data-insert='\\exponentialE^{#?}'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{lcm}(#?)$$' data-latex='\\operatorname{lcm}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{ceil}(#?)$$' data-latex='\\operatorname{ceil}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\lim_{n\\to\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{abs}(#?)$$' data-latex='\\operatorname{abs}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\cos'></li>\n                <li class='fnbutton' data-insert='\\cos^{-1}'></li>\n                <li class='fnbutton' data-insert='\\ln_{10}'></li>\n                <li class='fnbutton' data-insert='$$10^{#?}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{gcd}(#?)$$' data-latex='\\operatorname{gcd}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{floor}(#?)$$' data-latex='\\operatorname{floor}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\sum_{n\\mathop=0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\int_{0}^{\\infty}$$'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{sign}(#?)$$' data-latex='\\operatorname{sign}()'></li>\n            </ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton' data-insert='\\tan'></li>\n                <li class='fnbutton' data-insert='\\tan^{-1}'></li>\n                <li class='fnbutton' data-insert='$$\\log_{#?}$$'></li>\n                <li class='fnbutton' data-insert='$$\\sqrt[#?]{#0}$$'></li>\n                <li class='bigfnbutton' data-insert='$$#0 \\mod$$' data-latex='\\mod'></li>\n                <li class='bigfnbutton' data-insert='$$\\operatorname{round}(#?) $$' data-latex='\\operatorname{round}()'></li>\n                <li class='bigfnbutton' data-insert='$$\\prod_{n\\mathop=0}^{\\infty}$$' data-latex='{\\tiny \\prod_{n=0}^{\\infty}}'></li>\n                <li class='bigfnbutton' data-insert='$$\\frac{\\differentialD #0}{\\differentialD x}$$'></li>\n                <li class='action font-glyph bottom right' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            <ul><li class='separator'></li>\n                <li class='fnbutton'>(</li>\n                <li class='fnbutton'>)</li>\n                <li class='fnbutton' data-insert='$$^{#?} $$' data-latex='x^{#?} '></li>\n                <li class='fnbutton' data-insert='$$_{#?} $$' data-latex='x_{#?} '></li>\n                <li class='keycap w20 ' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",style:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590'></span></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size3\"}]' data-latex='\\scriptsize\\text{small}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size5\"}]' data-latex='\\scriptsize\\text{normal}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"size\":\"size9\"}]' data-latex='\\huge\\text{big}'></li>\n                <li class='separator w5'></li>\n                <li class='keycap' data-latex='\\langle' data-command='[\"insert\", \"\\\\langle\", {\"smartFence\":true}]'></li>\n            </ul>\n            <ul>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"l\"}]' data-latex='\\fontseries{l}\\text{Ab}'></li>\n                <li class='keycap' data-command='[\"applyStyle\",{\"series\":\"m\"}]' data-latex='\\fontseries{m}\\text{Ab}'></li>\n                <li class='keycap' 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0!==a?a:"")+"original-content");e.innerHTML=t.createHTML?t.createHTML(i):i}},getOriginalContent:function(e,t){var a;return e instanceof eo?e.originalContent:(e=yo(e).children[1],vo(t=null!=t?t:{}),e.getAttribute("data-"+(null!==(a=t.namespace)&&void 0!==a?a:"")+"original-content"))},readAloud:po,readAloudStatus:function(){var e;return window?(window.mathlive=null!==(e=window.mathlive)&&void 0!==e?e:{},window.mathlive.readAloudAudio?window.mathlive.readAloudAudio.paused?"paused":window.mathlive.readAloudAudio.ended?"ready":"playing":"ready"):"unavailable"},pauseReadAloud:function(){var e;window&&(window.mathlive=null!==(e=window.mathlive)&&void 0!==e?e:{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"paused"),window.mathlive.readAloudAudio.pause()))},resumeReadAloud:function(){var e;window&&(window.mathlive=null!==(e=window.mathlive)&&void 0!==e?e:{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()))},playReadAloud:function(e,t){var a;if(window&&(window.mathlive=null!==(a=window.mathlive)&&void 0!==a?a:{},window.mathlive.readAloudAudio)){let a=0;if(window.mathlive.readAloudFinalToken=null,e){window.mathlive.readAloudMarks=window.mathlive.readAloudMarks||[];for(const t of window.mathlive.readAloudMarks)t.value===e&&(a=t.time/1e3);let i=window.mathlive.readAloudTokens.indexOf(e);i>=0&&(i+=t,i<window.mathlive.readAloudTokens.length&&(window.mathlive.readAloudFinalToken=i))}window.mathlive.readAloudAudio.currentTime=a,window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()}},debug:{getStyle:mo.getStyle,getType:mo.getType,spanToString:mo.spanToString,hasClass:mo.hasClass,latexToAsciiMath:mo.latexToAsciiMath,asciiMathToLatex:mo.asciiMathToLatex,FUNCTIONS:mo.FUNCTIONS,MATH_SYMBOLS:mo.MATH_SYMBOLS,TEXT_SYMBOLS:mo.TEXT_SYMBOLS,ENVIRONMENTS:mo.ENVIRONMENTS,MACROS:mo.MACROS,DEFAULT_KEYBINDINGS:mo.DEFAULT_KEYBINDINGS,getKeybindingMarkup:mo.getKeybindingMarkup}};export default xo;
diff --git a/dist/types-utils.d.ts b/dist/types-utils.d.ts
index f02f5dee7..cda32d374 100644
--- a/dist/types-utils.d.ts
+++ b/dist/types-utils.d.ts
@@ -1,4 +1,4 @@
-/* 0.52.0 */
/**
+/* 0.52.1-soc */
/**
  * @internal
  */
 declare type Filter<T, Cond, U extends keyof T = keyof T> = {
diff --git a/dist/vue-mathlive.mjs b/dist/vue-mathlive.mjs
index 8846aef55..fa95df5c1 100644
--- a/dist/vue-mathlive.mjs
+++ b/dist/vue-mathlive.mjs
@@ -1,2 +1,2 @@
-/* MathLive "0.52.0"  */
+/* MathLive "0.52.1-soc"  */
 var t={name:"mathlive-mathfield",template:'<div class="mathfield" :id="id"><slot></slot></div>',props:{id:{type:String,default:""},value:{type:String,default:""},config:{type:Object,default:()=>({})},onKeystroke:{type:Function,default:function(t,e){return!0}},onMoveOutOf:{type:Function,default:function(t){return!0}},onTabOutOf:{type:Function,default:function(t){return!0}}},install:function(t,e){Object.defineProperty(t.prototype,"$mathlive",{value:e}),t.component("mathlive-mathfield",this)},watch:{value:function(t,e){t!==e&&this.$el.mathfield.$latex(t,{suppressChangeNotifications:!0})},config:{deep:!0,handler:function(t){this.$el.mathfield.$setConfig(t)}}},mounted:function(){this.$nextTick(()=>{this.$mathlive.makeMathField(this.$el,{...this.config,onContentDidChange:t=>{this.$emit("input",this.$el.mathfield.$text())},onFocus:t=>{this.$emit("focus")},onBlur:t=>{this.$emit("blur")},onContentWillChange:t=>{this.$emit("content-will-change")},onSelectionWillChange:t=>{this.$emit("selection-will-change")},onUndoStateWillChange:(t,e)=>{this.$emit("undo-state-will-change",e)},onUndoStateDidChange:(t,e)=>{this.$emit("undo-state-did-change",e)},onVirtualKeyboardToggle:(t,e,i)=>{this.$emit("virtual-keyboard-toggle",e,i)},onReadAloudStatus:(t,e)=>{this.$emit("read-aloud-status",e)},onKeystroke:(t,e,i)=>this.onKeystroke(e,i),onMoveOutOf:(t,e)=>this.onMoveOutOf(e),onTabOutOf:(t,e)=>this.onTabOutOf(e)})})},methods:{perform:function(t){this.$el.mathfield.$perform(t)},hasFocus:function(){return this.$el.mathfield.$hasFocus()},focus:function(){this.$el.mathfield.$focus()},blur:function(){this.$el.mathfield.$blur()},text:function(t){return this.$el.mathfield.$text(t)},selectedText:function(t){return this.$el.mathfield.$selectedText(t)},insert:function(t,e){this.$el.mathfield.$insert(t,e)},keystroke:function(t,e){return this.$el.mathfield.$keystroke(t,e)},typedText:function(t){this.$el.mathfield.$keystroke(t)},selectionIsCollapsed:function(){return this.$el.mathfield.$selectionIsCollapsed()},selectionDepth:function(){return this.$el.mathfield.$selectionDepth()},selectionAtStart:function(){return this.$el.mathfield.$selectionAtStart()},selectionAtEnd:function(){return this.$el.mathfield.$selectionAtEnd()},select:function(){this.$el.mathfield.$select()},clearSelection:function(){this.$el.mathfield.$clearSelection()}}};export default t;
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index a3e328916..530cc63cb 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,6 +1,6 @@
 {
     "name": "mathlive",
-    "version": "0.52.0",
+    "version": "0.52.1-soc",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/package.json b/package.json
index 7caf51781..335388599 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mathlive",
-    "version": "0.52.0",
+    "version": "0.52.1-soc",
     "description": "Render and edit beautifully typeset math",
     "license": "MIT",
     "funding": {
diff --git a/src/core/definitions-utils.ts b/src/core/definitions-utils.ts
index e22a8c7d6..12ab259ab 100644
--- a/src/core/definitions-utils.ts
+++ b/src/core/definitions-utils.ts
@@ -56,7 +56,7 @@ export const REVERSE_MATH_SYMBOLS = {
     '[': '\\lbrack',
     ']': '\\rbrack',
     ':': '\\colon', // Also :
-    
+
     '\u00a0': '~', // Also \space
     '\u00ac': '\\neg',  // Also \lnot
 
@@ -366,18 +366,11 @@ export const COMMAND_MODE_CHARACTERS = /[a-zA-Z0-9!@*()-=+{}[\]\\';:?/.,~<>`|'$%
 // and Spanish. We use \p{L} (Unicode property escapes: "Letter")
 // but Firefox doesn't support it
 // (https://bugzilla.mozilla.org/show_bug.cgi?id=1361876). Booo...
-// See also https://stackoverflow.com/questions/26133593/using-regex-to-match-international-unicode-alphanumeric-characters-in-javascript
-export const LETTER =
-    typeof navigator !== 'undefined' &&
-    /firefox|edge/i.test(navigator.userAgent)
-        ? /[a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/
-        : new RegExp('\\p{Letter}', 'u');
-
-export const LETTER_AND_DIGITS =
-    typeof navigator !== 'undefined' &&
-    /firefox|edge/i.test(navigator.userAgent)
-        ? /[0-9a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/
-        : new RegExp('[0-9\\p{Letter}]', 'u');
+
+// Socrative June 17, 2020: Regex was causing issues in IE, older versions of Safari (e.g. on IOS 11), and Firefox
+export const LETTER = /[a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/;
+
+export const LETTER_AND_DIGITS = /[0-9a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/;
 
 /**
  * @param symbol    The LaTeX command for this symbol, for