Re: how to control isearch for invisible text

[David Kastrup]

Stefan Monnier <address@hidden> writes:

>>> I think `occur' always makes things visible because it copies text
>>> and overlays are not copied along, so the invisibility gets lost.  I
>>> do think query-replace should be improved to open invisible text
>>> just like isearch does.
>
>> I agree that query-replace should show invisible text
>> when a match occurs inside it.
>
> For reveal-mode, we should just provide a "pre-redisplay-hook" run,
> as the name indicates, just before doing redisplay.  That would
> allow reveal-mode to do the "show invisible text" even in
> query-replace and this without even changing query-replace's code.

That is a bit heavy-handed for my taste, at least for this purpose.
Such a hook would have to be global, as redisplay is not a
buffer-centric activity, and thus every function with a possible need
would have to register and unregister there, and check the state
across buffers for every redisplay.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum