vimrc: Fix compatibility for older Vim versions.

Works fine with Vim 6.4.

diff --git a/vimrc b/vimrc
index 83996b31ea19d478b837455cce4dc4ea3d6eae25..3fa27cb13e0756a06246854d8d5d6f4f62be66e5 100644 (file)
--- a/vimrc
+++ b/vimrc
@@ -345,7 +345,9 @@ if has('syntax')
 " Don't highlight more than 500 columns as I normally don't have that long
 " lines and they slow down syntax coloring. Thanks to Derek Wyatt
 " (http://www.derekwyatt.org/vim/the-vimrc-file/).
-    set synmaxcol=500
+    if exists('+synmaxcol')
+        set synmaxcol=500
+    endif
 
 " Highlight lines longer than 78 characters. Thanks to Tony Mechelynck
 " <antoine.mechelynck@gmail.com> from the Vim mailing list. It can easily be
@@ -377,8 +379,8 @@ endif
 " Use pathogen which allows one 'runtimepath' entry per plugin. This makes
 " installing/removing/updating plugins simple. (Used for plugins with more
 " than one file.)
-if has('eval')
-    call pathogen#runtime_append_all_bundles()
+if has('eval') && v:version >= 700
+    execute 'call pathogen#runtime_append_all_bundles()'
 endif
 
 " Settings for the NERD commenter.
@@ -431,7 +433,9 @@ if has('autocmd')
 " Automatically disable 'paste' mode when leaving insert mode. Thanks to
 " Raimondi in #vim on Freenode (2010-08-14 23:01 CEST). Very useful as I only
 " want to paste once and then 'paste' gets automatically unset.
-        autocmd InsertLeave * set nopaste
+        if exists('#InsertLeave')
+            autocmd InsertLeave * set nopaste
+        endif
 
 " AFTER/FTPLUGIN AUTO COMMANDS