Re: Auto de-composition when point is inside a composition

[Stefan Monnier <monnier@iro.umontreal.ca>]

>> - why do we need to set windows_or_buffers_changed at all here?
>>   after all, this code is only run in some circumstances, definitely not
>>   all the circumstances where we might need to redraw the grapheme
>>   cluster after point moved out of it, so it seems it's not the right
>>   place to handle this case (it seems either redundant or insufficient).
>
> Maybe because otherwise the redisplay optimizations taken in case only
> point moved could fail to redisplay (they might only redraw the
> character at point, and fail to include the rest of the composition)?

But in that case, if the command that moved point set
disable-point-adjustment to non-nil, we'd have a redisplay error, no
(since we'd then skip this chunk of code).


        Stefan