From d423247bf1fafd5f76b3f56cb82fdd269559b13f Mon Sep 17 00:00:00 2001
From: Max Christian Pohle
Date: Sun, 27 Dec 2020 01:41:01 +0100
Subject: Made the plugin configurable

---
 README.md                | 23 ++++++++++++++++++++---
 plugin/vim-karlmarks.vim | 14 ++++----------
 2 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index 3576431..8ba6d83 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,6 @@ plugin will remember you to use more and once you have that on disk you can
 always deinstall it again.
 
 
-
-
 ## Prerequirements
 
 I recommend you use this in your `~/.vim/vimrc`
@@ -25,7 +23,6 @@ I recommend you use this in your `~/.vim/vimrc`
 because if you set it to `signcolumn=auto` it will flicker when you change
 the window.
 
-
 ## Installation
 
 Download the [zip file](https://git.entwicklerseite.de/vim-karlmarks/snapshot/vim-karlmarks-master.zip)
@@ -42,6 +39,26 @@ and extract it inside `~/.vim/pack/coderonline/start/`.
     # remove zip file (not needed any more)
     rm vim-karlmarks.zip
 
+## Configure optional and additional marks
+
+Here comes some inspiration for additional marks you could enable. Some
+are potentially disturbing and were for that reason not pre-configured:
+
+    let g:karlmarks  =   '"'  " position in buffer when left
+    let g:karlmarks .=  '{}'  " start/end paragraph
+    let g:karlmarks .=  '()'  " start/end sentence
+    let g:karlmarks .=  '[]'  " start/end sentence
+    let g:karlmarks .=  '.'   " last change
+    let g:karlmarks .=  "^"   " insert mode stopped
+    let g:karlmarks .=  "'`"
+
+but the `g_karlmarks_additional` setting defaults to
+
+    let g:karlmarks_additional = "<>"
+
+to allow easier modification of the last selected block, e.g. reposition the
+start of the block with `m<` and use `gv` to show the new selection.
+
 
 ## Deinstallation
 
diff --git a/plugin/vim-karlmarks.vim b/plugin/vim-karlmarks.vim
index f0699e1..cd54fa5 100644
--- a/plugin/vim-karlmarks.vim
+++ b/plugin/vim-karlmarks.vim
@@ -1,14 +1,9 @@
-let g:markerbar_additional =   '"'   " position in buffer when left
-let g:markerbar_additional .=  '<>'  " start/end last selection
-let g:markerbar_additional .=  '{}'  " start/end paragraph
-let g:markerbar_additional .=  '()'  " start/end sentence
-let g:markerbar_additional .=  '[]'  " start/end sentence
-let g:markerbar_additional .=  '.'   " last change
-let g:markerbar_additional .=  "^"   " insert mode stopped
-let g:markerbar_additional .=  "'`"
+if !exists("g:karlmarks")
+    let g:karlmarks = "<>"
+endif
 
 function! KarlMarks()
-    for c in map(split(g:markerbar_additional, '\zs'), "char2nr(v:val)") +
+    for c in map(split(g:karlmarks, '\zs'), "char2nr(v:val)") +
                 \ range(char2nr('a'), char2nr('z')) +
                 \ range(char2nr('A'), char2nr('Z')) +
                 \ range(char2nr('0'), char2nr('9'))
@@ -22,7 +17,6 @@ function! KarlMarks()
         endif
     endfor
 endfunction
-
 autocmd CursorHold * call KarlMarks()
 
 " important for distraction free reading while changing windows
-- 
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