X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=vimrc;h=e040414ec413a0181f4f43259ec2e788d570da8b;hb=06a7d83ea680b38839c23ef6ec64325e28c40c9c;hp=11ee374f06113a46e716e2aa9204483c021bdaa0;hpb=9407c798a8c30697b538fdd06d620c1600f0410e;p=config%2Fdotfiles.git

diff --git a/vimrc b/vimrc
index 11ee374..e040414 100644
--- a/vimrc
+++ b/vimrc
@@ -1,6 +1,6 @@
 " Vim main configuration file.
 
-" Copyright (C) 2011-2012  Simon Ruderich
+" Copyright (C) 2008-2012  Simon Ruderich
 "
 " This file is free software: you can redistribute it and/or modify
 " it under the terms of the GNU General Public License as published by
@@ -51,7 +51,7 @@ set runtimepath^=~/.vim,~/.vim/runtime
 
 " Don't store swap files in the same directory as the edited file.
 set directory-=.
-" But store them in ~/.tmp if available.
+" But store them in ~/.tmp or ~/tmp (already set by default) if available.
 set directory^=~/.tmp
 
 " Disable modelines as they may cause security problems. Instead use
@@ -139,18 +139,22 @@ set incsearch
 " Activate syntax folding.
 if has('folding')
     set foldmethod=syntax
-    set foldcolumn=2
+    " Only use fold column if we have enough space (for example in a (virtual)
+    " terminals).
+    if &columns > 80
+        set foldcolumn=2
+    endif
     set foldlevel=99 " no closed folds at default, 'foldenable' would disable
                      " folding which is not what I want
 endif
 
-" Only check for case if the searched word contains a capital character.
+" Only check case if the searched word contains a capital character.
 set ignorecase
 set smartcase
 
 " Activate spell checking, use English as default.
 if exists('+spell') && has('syntax')
-    " But not when diffing as spell checking is distracting in this case.
+    " But not when diffing because spell checking is distracting in this case.
     if !&diff
         set spell
     endif
@@ -158,7 +162,8 @@ if exists('+spell') && has('syntax')
 endif
 
 " Allow buffers with changes to be hidden. Very important for effective
-" editing with multiple buffers.
+" editing with multiple buffers. Prevents the "E37: No write since last change
+" (add ! to override)" warning.
 set hidden
 
 
@@ -170,7 +175,7 @@ set background=dark
 
 " Display line numbers.
 set number
-" But use as little space as necessary for the numbers column. Thanks to James
+" But use as little space as possible for the numbers column. Thanks to James
 " Vega (http://git.jamessan.com/?p=etc/vim.git;a=summary).
 if exists('+numberwidth')
     set numberwidth=1
@@ -194,10 +199,16 @@ endif
 " remove the highlighting until the next search.
 set hlsearch
 
-" Display tabs, trailing space, non breakable spaces and long lines (when
-" wrapping is disabled).
+" Display some special characters.
 set list
-set listchars=trail:-,extends:>
+set listchars=
+" Display tabs as ">--------".
+set listchars+=tab:>-
+" Display trailing whitespace as "-".
+set listchars+=trail:-
+" Display markers for long lines when wrapping is disabled.
+set listchars+=extends:>,precedes:<
+" Display non-breakable space as "!".
 if v:version >= 700
     set listchars+=nbsp:!
 endif
@@ -317,6 +328,7 @@ endif
 
 " Write before suspending, thanks to deryni in #vim on Freenode (2011-05-09
 " 20:02 CEST). To suspend without saving either unmap this or use :stop<CR>.
+" Only the current buffer is written.
 nnoremap <silent> <C-Z> :update<CR>:stop<CR>
 
 " 2<C-G> gives more verbose information, use it by default. Thanks to NCS_One
@@ -509,9 +521,9 @@ if has('syntax')
 " Highlight lines longer than 78 characters. Thanks to Tony Mechelynck
 " <antoine.mechelynck@gmail.com> from the Vim mailing list. It can easily be
 " disabled when necessary with :2match (in Vim >= 700).
-        if exists(':2match')
+        if !&diff && exists(':2match')
             2match Todo /\%>78v./
-        else
+        elseif !&diff
             match Todo /\%>78v./
         endif
 
@@ -525,14 +537,15 @@ if has('syntax')
                   \ '|     call matchadd("Todo", l:x)'
                   \ '| endfor'
 
-" Highlight unicode whitespace which is no normal whitespace (0x20).
+" Highlight Unicode whitespace which is no normal whitespace (0x20).
             let l:spaces = ['00a0', '1680', '180e', '2000', '2001', '2002',
                           \ '2003', '2004', '2005', '2006', '2007', '2008',
                           \ '2009', '200a', '200b', '200c', '200d', '202f',
                           \ '205f', '2060', '3000', 'feff']
-            " Compatibility fix for Vim 6.4.
+            " Compatibility fix for Vim 6.4. Escape \ inside the " string or
+            " it won't work!
             execute '  for l:x in l:spaces'
-                  \ '|     call matchadd("Error", "\%u" . l:x)'
+                  \ '|     call matchadd("Error", "\\%u" . l:x)'
                   \ '| endfor'
         endif
     endfunction
@@ -638,6 +651,15 @@ if has('autocmd')
             autocmd QuickFixCmdPre * write
         endif
 
+" Don't ignore case while in insert mode, but ignore case in all other modes.
+" This causes <C-N>/<C-P> to honor the case and thus only complete matching
+" capitalization. But while searching (/) 'ignorecase' is used.
+" InsertEnter/InsertLeave doesn't exist in older Vims.
+        if exists('##InsertEnter') && exists('##InsertLeave')
+            autocmd InsertEnter * set noignorecase
+            autocmd InsertLeave * set   ignorecase
+        endif
+
 " AFTER/FTPLUGIN AUTO COMMANDS
 
 " Disable spell checking for files which don't need it.