Re: bug#31636: 27.0.50; lockfile syntax searchable from info manual

[Eli Zaretskii <eliz@gnu.org>]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: emacs-devel@gnu.org
> Date: Mon, 04 Jun 2018 19:17:16 +0200
> 
> >> +   ;; beginning of sentence
> >> +   ((looking-back "  ")
> >> +    "@xref{")
> >
> > This misses the beginning of a sentence after a newline, right?
> 
> Hmm. (looking-back (sentence-end)) perhaps? Or if thatʼs overkill
> "\\(?:  \\|\\.\n\\)"

sentence-end sounds fine to me.

> >> +   ;; bol or eol
> >> +   ((looking-at "^\\|$")
> >> +    "@ref{")
> >> +   ;; inside word
> >> +   ((not (eq (char-syntax (char-after)) ? ))
> >> +    (skip-syntax-backward "^ ")
> >> +    "@ref{")
> >> +   ;; everything else
> >> +   (t
> >> +    "@ref{"))
> >> +  _ "}")
> >
> > Why did you need the first 2 cases that yield @ref?
> 
> If I have text like this:

Sorry, I missed the skip-syntax-backward call.

> > This will need a NEWS entry.
> 
> Of course. Something like this, which will also go in the doc string.
> 
> ** Texinfo
> *** New function for inserting @pxref, @xref, or @ref commands

This should end with a period.

> The function 'texinfo-insert-dwim-@ref', bound to 'C-c C-c r' by
> default, inserts one of the three types of references based on the text
> surrounding point, namely @pxref after a parenthesis, @xref at the
> start of a sentence, else @ref.

OK.

Thanks.