bug#12946: 23.2; log-edit-insert-changelog not inserting a description line from ChangeLog file

[Stefan Monnier]

>> It would be good to change log-edit-insert-changelog so that it
>> inserts "everything between the date headers".
> Compared to the current approach:
>   search the ChangeLog entry for paragraphs containing the names of
>   the files we're checking in
> this will add irrelevant stuff in the common case of "make several
> unrelated commits to different files in the same day, with ChangeLog
> entries separated by blank lines".

Yes, sorry for being unclear.  I meant to only provide the new behavior
based on some config setting (we could either extend
log-edit-changelog-full-paragraphs with more options, or add a new var).


        Stefan