Subject: bug#34525: replace-regexp missing some matches

From: Eli Zaretskii <[email-masked]>
Date: Wed, 27 Feb 2019 20:48:05 +0200

> From: Stefan Monnier <[email-masked]>
> Cc: Alan Mackenzie <[email-masked]>, [email-masked],
>         [email-masked]
> Date: Wed, 27 Feb 2019 12:41:04 -0500
> 
> AFAICT the only place where the missing updates can bite us is when we
> call update_interval, since it seems to be the only function that relies
> on all parents having the ->position field correctly set.
> 
> update_interval is only called from update_syntax_table.

That I could understand.  But then the fix should be in that one
function (if we keep it).