* What is the use of "categories"?
@ 2018-08-26 6:30 Marcin Borkowski
2018-08-26 14:25 ` Eli Zaretskii
0 siblings, 1 reply; 5+ messages in thread
From: Marcin Borkowski @ 2018-08-26 6:30 UTC (permalink / raw)
To: Help Gnu Emacs mailing list
Hi all,
I found out about "categories" today - see (info "(elisp) Categories").
What is the use of them? I noticed that filling functions use them
(which makes sense), is there anything else in stock Emacs or packages
that does?
TIA,
--
Marcin Borkowski
http://mbork.pl
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: What is the use of "categories"?
2018-08-26 6:30 What is the use of "categories"? Marcin Borkowski
@ 2018-08-26 14:25 ` Eli Zaretskii
2018-08-27 18:29 ` Marcin Borkowski
2018-08-30 2:47 ` John Shahid
0 siblings, 2 replies; 5+ messages in thread
From: Eli Zaretskii @ 2018-08-26 14:25 UTC (permalink / raw)
To: help-gnu-emacs
> From: Marcin Borkowski <mbork@mbork.pl>
> Date: Sun, 26 Aug 2018 08:30:59 +0200
>
> I found out about "categories" today - see (info "(elisp) Categories").
> What is the use of them? I noticed that filling functions use them
> (which makes sense), is there anything else in stock Emacs or packages
> that does?
You can use categories in regular expressions, via the \c escape.
This could allow you, for example, to find Katakana characters, or
characters that are consonants.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: What is the use of "categories"?
2018-08-26 14:25 ` Eli Zaretskii
@ 2018-08-27 18:29 ` Marcin Borkowski
2018-08-30 2:47 ` John Shahid
1 sibling, 0 replies; 5+ messages in thread
From: Marcin Borkowski @ 2018-08-27 18:29 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: help-gnu-emacs
On 2018-08-26, at 16:25, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Marcin Borkowski <mbork@mbork.pl>
>> Date: Sun, 26 Aug 2018 08:30:59 +0200
>>
>> I found out about "categories" today - see (info "(elisp) Categories").
>> What is the use of them? I noticed that filling functions use them
>> (which makes sense), is there anything else in stock Emacs or packages
>> that does?
>
> You can use categories in regular expressions, via the \c escape.
> This could allow you, for example, to find Katakana characters, or
> characters that are consonants.
Thanks!
--
Marcin Borkowski
http://mbork.pl
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: What is the use of "categories"?
2018-08-26 14:25 ` Eli Zaretskii
2018-08-27 18:29 ` Marcin Borkowski
@ 2018-08-30 2:47 ` John Shahid
2018-08-30 13:12 ` Eli Zaretskii
1 sibling, 1 reply; 5+ messages in thread
From: John Shahid @ 2018-08-30 2:47 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: help-gnu-emacs
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Marcin Borkowski <mbork@mbork.pl>
>> Date: Sun, 26 Aug 2018 08:30:59 +0200
>>
>> I found out about "categories" today - see (info "(elisp) Categories").
>> What is the use of them? I noticed that filling functions use them
>> (which makes sense), is there anything else in stock Emacs or packages
>> that does?
>
> You can use categories in regular expressions, via the \c escape.
> This could allow you, for example, to find Katakana characters, or
> characters that are consonants.
Should the Elisp manual be updated to link to `Emacs (Regexp Backslack)' ?
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: What is the use of "categories"?
2018-08-30 2:47 ` John Shahid
@ 2018-08-30 13:12 ` Eli Zaretskii
0 siblings, 0 replies; 5+ messages in thread
From: Eli Zaretskii @ 2018-08-30 13:12 UTC (permalink / raw)
To: help-gnu-emacs
> From: John Shahid <jvshahid@gmail.com>
> Cc: help-gnu-emacs@gnu.org
> Date: Wed, 29 Aug 2018 22:47:02 -0400
>
> > You can use categories in regular expressions, via the \c escape.
> > This could allow you, for example, to find Katakana characters, or
> > characters that are consonants.
>
> Should the Elisp manual be updated to link to `Emacs (Regexp Backslack)' ?
It should be the other way around, and that link already exists.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2018-08-26 6:30 What is the use of "categories"? Marcin Borkowski
2018-08-26 14:25 ` Eli Zaretskii
2018-08-27 18:29 ` Marcin Borkowski
2018-08-30 2:47 ` John Shahid
2018-08-30 13:12 ` Eli Zaretskii
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