[debbugs-tracker] bug#14481: closed (24.3.50; Highlighting escape sequences)

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Your message dated Sat, 29 Oct 2016 12:11:49 +0300
with message-id <address@hidden>
and subject line Re: bug#14481: 24.3.50; Highlighting escape sequences
has caused the debbugs.gnu.org bug report #14481,
regarding 24.3.50; Highlighting escape sequences
to be marked as done.

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14481: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=14481
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> --- Begin Message ---
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> Subject: 
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> 24.3.50; Highlighting escape sequences
>
>
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> Date: 
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> Mon, 27 May 2013 09:55:00 +0400
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> Most of the other text editors highlight stuff like \\, \t, \123 inside
> string and regexp literals. For example, Vim and Sublime Text do.
>
> In Emacs, we only have that in emacs-lisp-mode for grouping expressions,
> I'm guessing because of their uncommon syntax.
>
> Do we want it in other language modes? Here's some initial
> implementation for ruby-mode and js-mode, using the face
> font-lock-regexp-grouping-backslash, because it's the closest we have.
>
> (defconst escape-sequence-re
>   "\\(\\\\\\(\\(?:[0-9]\\|x\\)\\(?:[0-9]\\(?:[0-9]\\)?\\)?\\|.\\)\\)"
>   "Regexp to match an escape sequence.
> Currently handles octals (\\123), hexadecimals (\\x12) and
> backslash followed by anything else.")
>
> (font-lock-add-keywords
>  'ruby-mode
>  `((,escape-sequence-re
>     (1 (let ((term (nth 3 (syntax-ppss))))
>          (when (or (and (eq term ?')
>                         (member (match-string 2) '("\\" "'")))
>                    (memq term '(?\" ?/ ?\n t)))
>            'font-lock-regexp-grouping-backslash))
>        prepend)))
>  'append)
>
> (font-lock-add-keywords
>  'js-mode
>  `((,escape-sequence-re
>     (1 (when (nth 3 (syntax-ppss))
>          'font-lock-regexp-grouping-backslash)
>        prepend)))
>  'append)
>
> If yes, where should this code live? The regexp itself should be either
> the same or quite similar for many modern languages, so I would prefer
> to have it in one place.
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#14481: 24.3.50; Highlighting escape sequences
>
>
>
>
> Date: 
>
> Sat, 29 Oct 2016 12:11:49 +0300
>
>
>
>
> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:50.0) Gecko/20100101 Thunderbird/50.0
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>
>
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> On 29.05.2013 00:45, Dmitry Gutov wrote:
>
> > I can release it as a third-party minor mode, no problem.
>
> Now published in GNU ELPA: 
> http://elpa.gnu.org/packages/highlight-escape-sequences.html
>
>
> --- End Message ---