Gary Johnson wrote:
> When I diff a syntax-highlighted buffer, the diff highlighting often
> conflicts with the syntax highlighting so that some text has the
> same foreground and background colors and becomes impossible to
> read.
>
> I have worked around this problem with the following autocommand.
>
> au FilterWritePost * if &diff | setlocal syn=OFF | endif
>
> With the new internal diff, this doesn't seem to be working anymore.
> That makes sense since the internal diff doesn't need to write any
> files, but now we don't seem to have a hook for changing settings
> when diff is enabled.
>
> What would be nicest is a pair of hooks (autocommand events) that
> would be triggered when a buffer entered and left diff mode.
>
> Any thoughts on this?
How about using an OptionSet autocommand? I haven't tried this:
au OptionSet diff if &diff | setlocal syn=OFF | endif
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