" 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