vimrc: Mark non 0x20 unicode whitespace as error.

[config/dotfiles.git] / vimrc

diff --git a/vimrc b/vimrc
index 3fa27cb13e0756a06246854d8d5d6f4f62be66e5..5aa3e2013587de91d0b120355c957b75d3aa9bba 100644 (file)
--- a/vimrc
+++ b/vimrc
@@ -53,7 +53,7 @@ set history=1000
 set undolevels=1000
 
 " Use strong encryption if possible, also used for swap/undo files.
-if v:version >= 703
+if exists('+cryptmethod')
     set cryptmethod=blowfish
 endif
 
@@ -120,7 +120,7 @@ set smartcase
 
 " Activate spell checking, use English as default. Don't use spell checking
 " when diffing.
-if v:version >= 700 && has('syntax') && !&diff
+if exists('+spell') && has('syntax') && !&diff
     set spell
     set spelllang=en_us
 endif
@@ -140,7 +140,7 @@ set background=dark
 set number
 " But use as little space as necessary for the numbers column. Thanks to James
 " Vega (http://git.jamessan.com/?p=etc/vim.git;a=summary).
-if v:version >= 700
+if exists('+numberwidth')
     set numberwidth=1
 endif
 " Display the ruler with current line/file position. If 'statusline' is used
@@ -154,7 +154,7 @@ set showcmd
 set lazyredraw
 
 " Visualize the line the cursor is currently in.
-if v:version >= 700
+if exists('+cursorline')
     set cursorline
 endif
 
@@ -257,7 +257,7 @@ nnoremap <C-W>O <C-W>p<C-W>o
 
 " Maps to change spell language between English and German and disable spell
 " checking.
-if v:version >= 700
+if exists('+spell')
     noremap <Leader>sn :set nospell<CR>
     noremap <Leader>se :set spell spelllang=en_us<CR>
     noremap <Leader>sd :set spell spelllang=de_de<CR>
@@ -352,15 +352,25 @@ 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 v:version >= 700
+    if exists(':2match')
         2match Todo /\%>78v./
     else
         match Todo /\%>78v./
     endif
 
-" Highlight TODO, FIXME, CHANGED and XXX in all documents.
-    if v:version > 701 || (v:version == 701 && has('patch42'))
-        call matchadd('Todo', '\(TODO\|FIXME\|CHANGED\|XXX\)')
+    if exists('*matchadd')
+" Highlight some important keywords in all documents.
+        for x in ['TODO', 'XXX', 'FIXME', 'CHANGED', 'REMOVED', 'DELETED']
+            call matchadd('Todo', x)
+        endfor
+
+" Highlight unicode whitespace which is no normal whitespace (0x20).
+        for x in ['00a0', '1680', '180e', '2000', '2001', '2002', '2003',
+                \ '2004', '2005', '2006', '2007', '2008', '2009', '200a',
+                \ '200b', '200c', '200d', '202f', '205f', '2060', '3000',
+                \ 'feff']
+            call matchadd('Error', '\%u' . x)
+        endfor
     endif
 
 " Settings for specific filetypes.