Re: gnus is hanging on cite-parse

[yamaoka@jpl.org]

On Thu, 07 Sep 2017 06:27:06 -0700, Pavel Zhukov wrote:
> I have problem with gnus displaying some messages like described in
> [1] In my case traceback looks like [2]. As a workaround I use cite
> regexp like (setq message-cite-prefix-regexp ">") but it's not
> a solution.
> The problem occurs if I try to open this email
> https://lists.isc.org/pipermail/dhcp-users/2017-September/020820.html
> for example (and many many others).

I got the email from
<https://lists.isc.org/pipermail/dhcp-users/2017-September.txt.gz>
and tried reading it using Gnus, but no such a problem happened.

> Can somebody point me out what's wrong with the citation/regexp and
> how to fix that? Or how to debug the issue further.

> [1]  https://lists.gnu.org/archive/html/info-gnus-english/2017-01/msg00006.html

> [2]
> Debugger entered--Lisp error: (quit)
>   looking-at("^\\(\\([ 	]*\\(\\w\\|[_.]\\)+>+\\|[ 	]*[]>|]\\)+\\)? *>>>>> +\"\\([^\"\n]+\\)\" +==")
>   gnus-cite-parse()
[...]

The operand of `looking-at' is the same as the one I use, that
is just the default value of `gnus-supercite-regexp'.  Well,
what does happen when you evaluate this form at every beginning
of line one by one in that article body?

M-: (looking-at gnus-supercite-regexp) RET