Re: address@hidden: Re: jit lock sit-for provokes redisplay provokes imenu]

[Chong Yidong]

martin rudalics <address@hidden> writes:

>> Stefan wrote:
>>
>>     This only eliminates one particular source of unwanted updates.  I don't
>>     think this code is worth the trouble.
>>
>> That cause of unwanted updates is the only one we know of.  Nothing
>> else is likely to change the buffer in the background.
>
> `jit-lock-fontify-now' during scrolling, searching, window resizing.
> Not mentioning the plethora of "hidden buffer changes" in c-mode.

AFAIU, those are much less problematic than the changes during stealth
fontification.  That's because stealth fontification takes place in a
timer, while Emacs is idle, and makes a change every 0.5 seconds (by
default).