ignored .mrk files in 5.11

ignored .mrk files in 5.11

[Ted Baltz]

I recently switched from 5.10.8 to the "5.11" in emacs 22 CVS.  I use
nnfolder for reading mail.  In 5.10.8 I could combine mail from multiple
accounts easily by just copying the folders, .nov, and .mrk files from
one account to another, and then just running
nnfolder-generate-active-file.  The marks would then agree.  This no
longer works.  It doesn't seem to be an emacs 22 problem, since I
downgraded to 5.10.8 and this works fine again.  Any clues?

-Ted

--
eabaltz at sophont dot net

Re: ignored .mrk files in 5.11

[Reiner Steib]

On Fri, Apr 06 2007, Ted Baltz wrote:

> I recently switched from 5.10.8 to the "5.11" in emacs 22 CVS.  I use
> nnfolder for reading mail.  In 5.10.8 I could combine mail from multiple
> accounts easily by just copying the folders, .nov, and .mrk files from
> one account to another, and then just running
> nnfolder-generate-active-file.  The marks would then agree.  This no
> longer works.  It doesn't seem to be an emacs 22 problem, since I
> downgraded to 5.10.8 and this works fine again.  Any clues?

As 5.11 equals 5.10.8 plus some bug fixes, I'm surprised about the
different behavior.  And for `nnfolder.el' there is no code change
since the 5.10.8 (2006-04-11) at all, only a copyright update (cf. cvs
diff -r v5-10-8 -r 6.49.2.12 nnfolder.el).  Also the other changes
after 2006-04-11 don't seem to be related.

Unless someone offers a better suggestion you could (as you seem to be
able to reproduce the problem) to try to identify the responsible file
as follows:

(1) See which files differ from 5.10.8 to 5.11:

export g511=/path/to/emacs/lisp/gnus
export g5108=/path/to/gnus-5.10.8/lisp
cd "$g511"
for i in *.el; do
  diff "$i" "$g5108/$i" > /dev/null || echo $i;
done

(2) Start an Emacs with 5.11, don't start Gnus.

For the first file in the list from (1), load the 5.10.8 variant of
the *.elc file explicitely:

M-x load-file RET $g5108/FOO.elc RET

Copy the folder/marks files.  Start Gnus.  See if the problem
disappears.

(3) Repeat (2) with the next file until you found the responsible
file.

(4) Compare the files and try to find out the offending change.
Report back.

Bye, Reiner.
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