bug#6227: Color isearch regexp submatches differently

[Lennart Borgman]

On Sun, May 23, 2010 at 6:40 PM, Lennart Borgman
<lennart.borgman@gmail.com> wrote:
> On Sun, May 23, 2010 at 6:12 PM, Juri Linkov <juri@jurta.org> wrote:
>>>> I think `reb-update-overlays' should be completely rewritten
>>>> for isearch.el.
>>>
>>> You surely know this things much better than me, but is there any
>>> reason to double the code?
>>
>> `reb-update-overlays' highlights all matches in the buffer.
>> This is like what lazy-highlighting does.  But we agreed
>> that it should affect only the current isearch match,
>> not all lazy-highlighted matches.
>>
>>> If it is rewritten why not let re-builder share the same code?
>>
>> Yes, and query-replace highlighting could share it too.
>
>>>> The only thing we need from re-builder.el are faces
>>>> reb-match-1, reb-match-2, reb-match-3.  We should try
>>>> using the existing faces for the same functionality.

Here is a patch for the submatches highlighting. (It includes a bug
fix for the prompt face too and a help window scrolling I think is
useful.)

The current faces does not look very well together so that must be fixed.

isearch-hisub-1.diff
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