From 0d9eb3366ab06f069a5f4a86d3f00bcf77a4b697 Mon Sep 17 00:00:00 2001
From: Brett Kosinski <brettk@b-ark.ca>
Date: Tue, 3 Sep 2013 22:13:17 -0600
Subject: [PATCH 1/4] Make delete safe and add force delete.

This actually swipes an idea from:

https://github.com/vits/kwbdi.vim

While adding a <Plug>KwbdiForce command that can be mapped to an
equivalent to bd!.
---
 plugin/kwbdi.vim | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/plugin/kwbdi.vim b/plugin/kwbdi.vim
index 66058e4..6b560bd 100644
--- a/plugin/kwbdi.vim
+++ b/plugin/kwbdi.vim
@@ -14,9 +14,24 @@ if !hasmapto('<Plug>Kwbd')
   map <unique> <Leader>bd <Plug>Kwbd
 endif
 
-noremap <unique> <script> <Plug>Kwbd  :call <SID>Kwbd(1)<CR>:<BS>
+noremap <unique> <script> <Plug>Kwbd  :call <SID>KwbdSafe()<CR>:<BS>
+noremap <unique> <script> <Plug>KwbdForce  :call <SID>KwbdForce()<CR>:<BS>
 
 "delete the buffer; keep windows
+function <SID>KwbdSafe()
+  let g:kwbdBufNum = bufnr("%")
+  if getbufvar(g:kwbdBufNum, '&modified')
+    echoerr 'No write since last change for buffer '.bufname('%')
+    return
+  endif
+
+  call <SID>Kwbd(1)
+endfunction
+
+function <SID>KwbdForce()
+  call <SID>Kwbd(1)
+endfunction
+
 function <SID>Kwbd(kwbdStage)
   if(a:kwbdStage == 1)
     let g:kwbdBufNum = bufnr("%")

From 7653cfbe82de4ac3f9d95e982e35f1ed26281500 Mon Sep 17 00:00:00 2001
From: Seb <sebm@posteo.de>
Date: Mon, 4 Dec 2017 16:19:38 +0000
Subject: [PATCH 2/4] added bD mapping, added docu, making usage more clear

---
 README           | 10 ++++++----
 doc/kwbdi.txt    | 39 +++++++++++++++++++++++++++++++++++++++
 doc/tags         |  1 +
 plugin/kwbdi.vim |  1 +
 4 files changed, 47 insertions(+), 4 deletions(-)
 create mode 100644 doc/kwbdi.txt
 create mode 100644 doc/tags

diff --git a/README b/README
index 8954b3f..215e673 100644
--- a/README
+++ b/README
@@ -1,7 +1,9 @@
-This is a mirror of http://www.vim.org/scripts/script.php?script_id=2103
-
-This is an improved version of kwbd.vim. It allows you to delete a buffer without closing the window. It meets the following criteria:
+This is a mirror of [kwbd.vim](http://www.vim.org/scripts/script.php?script_id=2103)
+Further improved by vim-scripts and fancypantalons (check for modified buffer): 
+https://github.com/vim-scripts/kwbdi.vim
+https://github.com/fancypantalons/kwbdi.vim
 
+It allows you to delete a buffer without closing the window. It meets the following criteria:
 
     * The window layout must be kept in all circumstances.
     * If there is an alternate buffer must be showing that.
@@ -10,6 +12,6 @@ This is an improved version of kwbd.vim. It allows you to delete a buffer withou
 
 If there are two windows with the same buffer open, both windows will remain open, and the buffer will be deleted
 
-To delete a buffer while keeping the window open, just type \bd
+To delete a buffer while keeping the window open, just type **<leader>bd**
 
 Thanks to the authors of kwbd.vim and minibufexpl.vim!
diff --git a/doc/kwbdi.txt b/doc/kwbdi.txt
new file mode 100644
index 0000000..2135f1a
--- /dev/null
+++ b/doc/kwbdi.txt
@@ -0,0 +1,39 @@
+*kwbdi.txt* Delete a buffer while keeping the window open
+
+==============================================================================
+Introduction                                                      *kwbdi*
+
+In order to unload and delete a buffer from the buffer list :bd is your friend 
+(:h bd). 
+An oftern unpleasent side effect is that this also closes the window changing
+the window layout. 
+
+Kwbdi allows you to delete a buffer without closing the window. 
+It meets the following criteria:
+
+    * The window layout must be kept in all circumstances.
+    * If there is an alternate buffer must be showing that.
+    * If there is not alternate buffer then must be showing the previous buffer.
+    * If there is no alternate nor previous buffer (it is the only buffer) 
+      must show an empty buffer. 
+
+If there are two windows with the same buffer open, 
+both windows will remain open, and the buffer will be deleted
+
+==============================================================================
+Usage                                                            *kwbdi-usage*
+
+<leader>bd    Delete current buffer while keeping the window open.
+              Throws error and doesn't delete buffer if buffer is modified 
+              (safe option)
+
+<leader>bD    Same as above but changes in current buffer are discarded 
+              without asking (be careful!).
+================================================================================
+Credits                                                          *kwbdi-credits*
+
+Thanks to the authors of kwbd.vim and minibufexpl.vim!
+
+Improvements by:
+Ben Booth https://github.com/vim-scripts/kwbdi.vim
+Brett Kosinski https://github.com/fancypantalons/kwbdi.vim
diff --git a/doc/tags b/doc/tags
new file mode 100644
index 0000000..899b7c8
--- /dev/null
+++ b/doc/tags
@@ -0,0 +1 @@
+kwbdi.txt	kwbdi.txt	/*kwbdi.txt*
diff --git a/plugin/kwbdi.vim b/plugin/kwbdi.vim
index 6b560bd..a7b23bc 100644
--- a/plugin/kwbdi.vim
+++ b/plugin/kwbdi.vim
@@ -12,6 +12,7 @@ let loaded_kwbd = 1
 
 if !hasmapto('<Plug>Kwbd')
   map <unique> <Leader>bd <Plug>Kwbd
+  map <unique> <Leader>bD <Plug>KwbdForce
 endif
 
 noremap <unique> <script> <Plug>Kwbd  :call <SID>KwbdSafe()<CR>:<BS>

From bbc18b293282e3d6df0cf11b783bf04d1df2f19a Mon Sep 17 00:00:00 2001
From: Seb <sebm@posteo.de>
Date: Tue, 5 Dec 2017 11:48:41 +0000
Subject: [PATCH 3/4] extended docu

---
 doc/kwbdi.txt | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/doc/kwbdi.txt b/doc/kwbdi.txt
index 2135f1a..3ce1970 100644
--- a/doc/kwbdi.txt
+++ b/doc/kwbdi.txt
@@ -1,7 +1,7 @@
 *kwbdi.txt* Delete a buffer while keeping the window open
 
 ==============================================================================
-Introduction                                                      *kwbdi*
+Introduction                                                           *kwbdi*
 
 In order to unload and delete a buffer from the buffer list :bd is your friend 
 (:h bd). 
@@ -28,7 +28,22 @@ Usage                                                            *kwbdi-usage*
               (safe option)
 
 <leader>bD    Same as above but changes in current buffer are discarded 
-              without asking (be careful!).
+              without asking simulating :bd! (be careful!).
+
+================================================================================
+Alternatives                                                *kwbdi-alternatives*
+
+bufkill.vim (http://www.vim.org/scripts/script.php?script_id=1147)
+
+The mapping gives similar behaviour:
+
+  :nmap <leader>bd :b#<bar>bd#<CR>
+
+  :command Bd bp\|bd \#
+  
+Credit for those solutions contributors of this thread:
+https://stackoverflow.com/questions/4298910/vim-close-buffer-but-not-split-window
+
 ================================================================================
 Credits                                                          *kwbdi-credits*
 

From 683979231f5eb0e98670ee0d34e48d1603a4a625 Mon Sep 17 00:00:00 2001
From: Johannes Ranke <jranke@uni-bremen.de>
Date: Tue, 26 May 2020 15:45:21 +0200
Subject: [PATCH 4/4] Fix some typos, language editing in docs

---
 README        | 10 ++++++----
 doc/kwbdi.txt | 33 +++++++++++++++++----------------
 2 files changed, 23 insertions(+), 20 deletions(-)

diff --git a/README b/README
index 215e673..580cfb2 100644
--- a/README
+++ b/README
@@ -1,14 +1,16 @@
 This is a mirror of [kwbd.vim](http://www.vim.org/scripts/script.php?script_id=2103)
-Further improved by vim-scripts and fancypantalons (check for modified buffer): 
+Further improved by vim-scripts, fancypantalons (check for modified buffer), seb-mueller (bD mapping, docu) and jranke (typos)
 https://github.com/vim-scripts/kwbdi.vim
 https://github.com/fancypantalons/kwbdi.vim
+https://github.com/fancypantalons/kwbdi.vim
+https://github.com/seb-mueller/kwbdi.vim
 
 It allows you to delete a buffer without closing the window. It meets the following criteria:
 
     * The window layout must be kept in all circumstances.
-    * If there is an alternate buffer must be showing that.
-    * If there is not alternate buffer then must be showing the preious buffer.
-    * If there is no alternate nor previous buffer (it is the only buffer) must show an empty buffer. 
+    * If there is an alternate buffer, the window must show that instead.
+    * If there is no alternate buffer then the window must show the previous buffer.
+    * If there is no alternate nor previous buffer (it is the only buffer) it must show an empty buffer. 
 
 If there are two windows with the same buffer open, both windows will remain open, and the buffer will be deleted
 
diff --git a/doc/kwbdi.txt b/doc/kwbdi.txt
index 3ce1970..5c90273 100644
--- a/doc/kwbdi.txt
+++ b/doc/kwbdi.txt
@@ -3,32 +3,32 @@
 ==============================================================================
 Introduction                                                           *kwbdi*
 
-In order to unload and delete a buffer from the buffer list :bd is your friend 
-(:h bd). 
-An oftern unpleasent side effect is that this also closes the window changing
-the window layout. 
+In order to unload and delete a buffer from the buffer list, :bd is your friend
+(:h bd).  An often unpleasant side effect is that this also closes the window
+changing the window layout. 
 
-Kwbdi allows you to delete a buffer without closing the window. 
-It meets the following criteria:
+Kwbdi allows you to delete a buffer without closing the window.  It meets the
+following criteria:
 
     * The window layout must be kept in all circumstances.
-    * If there is an alternate buffer must be showing that.
-    * If there is not alternate buffer then must be showing the previous buffer.
-    * If there is no alternate nor previous buffer (it is the only buffer) 
+    * If there is an alternate buffer, the window must show that instead.
+    * If there is no alternate buffer then the window must show the previous
+      buffer.
+    * If there is no alternate nor previous buffer (it is the only buffer) it
       must show an empty buffer. 
 
-If there are two windows with the same buffer open, 
-both windows will remain open, and the buffer will be deleted
+If there are two windows with the same buffer open, both windows will remain
+open, and the buffer will be deleted.
 
 ==============================================================================
 Usage                                                            *kwbdi-usage*
 
-<leader>bd    Delete current buffer while keeping the window open.
-              Throws error and doesn't delete buffer if buffer is modified 
+<leader>bd    Delete the current buffer while keeping the window open.
+              Throws an error and doesn't delete the buffer if it is modified 
               (safe option)
 
-<leader>bD    Same as above but changes in current buffer are discarded 
-              without asking simulating :bd! (be careful!).
+<leader>bD    Same as above but changes in the current buffer are discarded 
+              without asking, simulating :bd! (be careful!).
 
 ================================================================================
 Alternatives                                                *kwbdi-alternatives*
@@ -41,7 +41,7 @@ The mapping gives similar behaviour:
 
   :command Bd bp\|bd \#
   
-Credit for those solutions contributors of this thread:
+Credit for those solutions and contributors of this thread:
 https://stackoverflow.com/questions/4298910/vim-close-buffer-but-not-split-window
 
 ================================================================================
@@ -52,3 +52,4 @@ Thanks to the authors of kwbd.vim and minibufexpl.vim!
 Improvements by:
 Ben Booth https://github.com/vim-scripts/kwbdi.vim
 Brett Kosinski https://github.com/fancypantalons/kwbdi.vim
+seb-mueller https://github.com/seb-mueller/kwbdi.vim