bug#36496: [PATCH] Describe the rx notation in the lisp manual

[Mattias Engdegård]

6 juli 2019 kl. 11.08 skrev Eli Zaretskii <eliz@gnu.org>:
> 
>> It is about 7-8 pages in all.
> 
> It's more that 2500 lines.  We have in doc/misc/ separate manuals much
> smaller than this.  So making a separate manual out of this is not
> radically different from what we have already.

It was a visual count of printed pages in the pdf; a lot of lines in the source 
are mark-up.
In any case, the attached patch has @ifnottex added to it. I didn't move the 
text to a separate file, since there was no existing "lispref-extras" document 
to put them in. In addition, some of the additions were to existing sections 
(pcase, and the complex regexp example).

> Opinion on which matter? on whether or not make it a separate manual?
> If so, you now have my opinion.

Thanks, that's what I meant.

> The comma is common because older versions of makeinfo insisted on
> having it, and would complain if there weren't one.  The latest
> versions no longer complain, but we would still like to support the
> old versions, as they are ~15 times faster, so some people still keep
> them around.

Thank you very much for clearing that up; I always wondered.

Also attached is a patch for replacing the rx doc string with a condensed 
summary.  I basically copied the one I wrote for ry.

0001-Describe-the-rx-notation-in-the-elisp-manual-bug-364.patch
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0001-Shorter-rx-doc-string-bug-36496.patch
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