GNU bug report logs - #21434
BUG Report: "mark-sexp" function disable.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
To: bug-auctex <at> gnu.org
Subject: BUG Report: "mark-sexp" function disable.
Date: Tue, 8 Sep 2015 13:23:43 +0800 (CST)

Dear Developer,

When enter a `*.tex' file and initiate auctex(11.86), the function `mark-sexp'(and also `forward/backward-sexp) is disabled.
The correspond key-bindings (C-M-@ or ESC <C-left/right>) also get no responses (which are well previously).

Thank you for your response!

Rechead.

Emacs  : GNU Emacs 23.3.1 (i686-pc-linux-gnu, GTK+ Version 2.24.10)
 of 2013-05-17 on komainu, modified by Debian
Package: 11.86

Message #8 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: Mosè Giordano <mose <at> gnu.org>
To: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
Cc: 21434 <at> debbugs.gnu.org
Subject: Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Tue, 8 Sep 2015 09:31:22 +0200

Hi!

2015-09-08 7:23 GMT+02:00 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>:
> Dear Developer,
>
> When enter a `*.tex' file and initiate auctex(11.86), the function `mark-sexp'(and also `forward/backward-sexp) is disabled.
> The correspond key-bindings (C-M-@ or ESC <C-left/right>) also get no responses (which are well previously).

I can't reproduce your bug, at least not with AUCTeX 11.88, C-M-@ and
C-M-left/right do work for me.  Are you sure there is nothing in your
init file disabling this feature?  Try opening Emacs with

    emacs -q

in order not to load your init file.

Bye,
Mosè

Message #11 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
Cc: 21434 <at> debbugs.gnu.org
Subject: Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Tue, 08 Sep 2015 09:49:36 +0200

赵瑞昌 <zhaoruichang <at> tsinghua.org.cn> writes:

Hi!

> When enter a `*.tex' file and initiate auctex(11.86), the function
> `mark-sexp'(and also `forward/backward-sexp) is disabled.  The
> correspond key-bindings (C-M-@ or ESC <C-left/right>) also get no
> responses (which are well previously).

What do you mean with the functions are being disabled, and the key
bindings don't get responses?

For me, all these functions work and are bound to their usual keys in a
buffer of a tex file.

> Emacs  : GNU Emacs 23.3.1 (i686-pc-linux-gnu, GTK+ Version 2.24.10)
>  of 2013-05-17 on komainu, modified by Debian
> Package: 11.86

11.86 is more than five years old, and your Emacs version is quite
dated, too.  Could you please try again with at least a recent AUCTeX
version, e.g., 11.88?

Bye,
Tassilo

Message #14 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
To: Mosè Giordano <mose <at> gnu.org>
Cc: 21434 <at> debbugs.gnu.org
Subject: Re:  Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Fri, 11 Sep 2015 09:26:44 +0800 (CST)

Thank you Mosè, for your reply.

I have a try `emacs -q'. The problem still exist.
`mark-sexp' is expected to mark the whole range of env., but only the ``\begin'' was marked.
And this is reproduced by 11.88.
Someone told me the emacs is dated. I'll try a new one, to have a test.

Thanks a lot, again!

> -----原始邮件-----
> 发件人: "Mosè Giordano" <mose <at> gnu.org>
> 发送时间: 2015年9月8日 星期二
> 收件人: "赵瑞昌" <zhaoruichang <at> tsinghua.org.cn>
> 抄送: 21434 <at> debbugs.gnu.org
> 主题: Re: bug#21434: BUG Report: "mark-sexp" function disable.
> 
> Hi!
> 
> 2015-09-08 7:23 GMT+02:00 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>:
> > Dear Developer,
> >
> > When enter a `*.tex' file and initiate auctex(11.86), the function `mark-sexp'(and also `forward/backward-sexp) is disabled.
> > The correspond key-bindings (C-M-@ or ESC <C-left/right>) also get no responses (which are well previously).
> 
> I can't reproduce your bug, at least not with AUCTeX 11.88, C-M-@ and
> C-M-left/right do work for me.  Are you sure there is nothing in your
> init file disabling this feature?  Try opening Emacs with
> 
>     emacs -q
> 
> in order not to load your init file.
> 
> Bye,
> Mosè

Message #17 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
To: "Tassilo Horn" <tsdh <at> gnu.org>
Cc: 21434 <at> debbugs.gnu.org
Subject: Re:  Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Fri, 11 Sep 2015 16:26:32 +0800 (CST)

Hi, Tassilo,

Thanks for your reply.
I have updated the emacs to 24.5.1, and installed auctex 11.88.8 by `package-list-packages'.
however, the problem seems still exist:
when `C-M-@' (mark-sexp) at the beginning of a `\begin{...', only `\begin' canbe marked, instead of the whole env.
And also the `forward/backward-sexp' can only effect to the `\begin'.

Would you have any other suggestions? 
Thanks again!

> -----原始邮件-----
> 发件人: "Tassilo Horn" <tsdh <at> gnu.org>
> 发送时间: 2015年9月8日 星期二
> 收件人: "赵瑞昌" <zhaoruichang <at> tsinghua.org.cn>
> 抄送: 21434 <at> debbugs.gnu.org
> 主题: Re: bug#21434: BUG Report: "mark-sexp" function disable.
> 
> 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn> writes:
> 
> Hi!
> 
> > When enter a `*.tex' file and initiate auctex(11.86), the function
> > `mark-sexp'(and also `forward/backward-sexp) is disabled.  The
> > correspond key-bindings (C-M-@ or ESC <C-left/right>) also get no
> > responses (which are well previously).
> 
> What do you mean with the functions are being disabled, and the key
> bindings don't get responses?
> 
> For me, all these functions work and are bound to their usual keys in a
> buffer of a tex file.
> 
> > Emacs  : GNU Emacs 23.3.1 (i686-pc-linux-gnu, GTK+ Version 2.24.10)
> >  of 2013-05-17 on komainu, modified by Debian
> > Package: 11.86
> 
> 11.86 is more than five years old, and your Emacs version is quite
> dated, too.  Could you please try again with at least a recent AUCTeX
> version, e.g., 11.88?
> 
> Bye,
> Tassilo

Message #20 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: gojjoe <at> gmail.com
To: 21434 <at> debbugs.gnu.org
Subject: Re: bug#21434: Re: bug#21434: BUG Report: "mark-sexp" function
 disable.
Date: Fri, 11 Sep 2015 10:52:23 +0200

On Fri150911 10:26, 赵瑞昌 wrote:

> when `C-M-@' (mark-sexp) at the beginning of a `\begin{...', only `\begin' canbe marked, instead of the whole env.
> And also the `forward/backward-sexp' can only effect to the `\begin'.

I confirm this, with the same versions (emacs on Windows). I 
thought that was the intended behaviour.

Cheers,
J

Message #23 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: Mosè Giordano <mose <at> gnu.org>
To: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
Cc: 21434 <at> debbugs.gnu.org
Subject: Re: Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Fri, 11 Sep 2015 13:17:39 +0200

2015-09-11 3:26 GMT+02:00 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>:
> Thank you Mosè, for your reply.
>
> I have a try `emacs -q'. The problem still exist.
> `mark-sexp' is expected to mark the whole range of env., but only the ``\begin'' was marked.

You're telling that `mark-sexp' is expected to mark the environment,
but this isn't true: `mark-sexp' is expect to mark "parentheses".  If
you want to mark an environment use `C-c .', bound to
`LaTeX-mark-environment'.

Bye,
Mosè

Message #26 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
Cc: 21434 <at> debbugs.gnu.org
Subject: Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Fri, 11 Sep 2015 14:42:55 +0200

赵瑞昌 <zhaoruichang <at> tsinghua.org.cn> writes:

> I have updated the emacs to 24.5.1, and installed auctex 11.88.8 by
> `package-list-packages'.  however, the problem seems still exist: when
> `C-M-@' (mark-sexp) at the beginning of a `\begin{...', only `\begin'
> canbe marked, instead of the whole env.  And also the
> `forward/backward-sexp' can only effect to the `\begin'.

Ah, now I get what you are saying.  Well, (La)TeX has no real notion of
a sexp, so `forward-sexp' and `backward-sexp' basically move over words
and symbols (TeX macros), or from one (, [, or { to the respective
closing paren/bracket.

But you can give Magnar's awesome expand-region a try.

  https://github.com/magnars/expand-region.el

That has support for expanding the current region also in LaTeX specific
ways.  E.g. with

\begin{enumerate}
\item foo
\item _b_ar
\end{enumerate}

where the _b_ means point is on the b in bar, calling er/expand-region
results in

\begin{enumerate}
\item foo
\item _bar_
\end{enumerate}

where the complete _bar_ is marked, another call gives

\begin{enumerate}
\item foo
_\item bar_
\end{enumerate}

where the complete \item ... is marked, another two calls mark all
items, and a final call markes the complete environment.

I think that's exactly what you want, right?  And expand-region.el can
do this magic not only for latex but also for lisp, ruby, python, xml,
javascript, CSS, and what not.

Bye,
Tassilo

Message #29 received at 21434 <at> debbugs.gnu.org (full text, mbox):

From: Arash Esbati <arash <at> gnu.org>
To: Tassilo Horn <tsdh <at> gnu.org>
Cc: 21434 <at> debbugs.gnu.org,
 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn>
Subject: Re: bug#21434: BUG Report: "mark-sexp" function disable.
Date: Mon, 04 Mar 2024 11:40:49 +0100

Tassilo Horn <tsdh <at> gnu.org> writes:

> 赵瑞昌 <zhaoruichang <at> tsinghua.org.cn> writes:
>
>> I have updated the emacs to 24.5.1, and installed auctex 11.88.8 by
>> `package-list-packages'.  however, the problem seems still exist: when
>> `C-M-@' (mark-sexp) at the beginning of a `\begin{...', only `\begin'
>> canbe marked, instead of the whole env.  And also the
>> `forward/backward-sexp' can only effect to the `\begin'.
>
> Ah, now I get what you are saying.  Well, (La)TeX has no real notion of
> a sexp, so `forward-sexp' and `backward-sexp' basically move over words
> and symbols (TeX macros), or from one (, [, or { to the respective
> closing paren/bracket.
>
> But you can give Magnar's awesome expand-region a try.
>
>   https://github.com/magnars/expand-region.el
>
> That has support for expanding the current region also in LaTeX specific
> ways.  E.g. with
>
> \begin{enumerate}
> \item foo
> \item _b_ar
> \end{enumerate}
>
> where the _b_ means point is on the b in bar, calling er/expand-region
> results in
>
> \begin{enumerate}
> \item foo
> \item _bar_
> \end{enumerate}
>
> where the complete _bar_ is marked, another call gives
>
> \begin{enumerate}
> \item foo
> _\item bar_
> \end{enumerate}
>
> where the complete \item ... is marked, another two calls mark all
> items, and a final call markes the complete environment.
>
> I think that's exactly what you want, right?  And expand-region.el can
> do this magic not only for latex but also for lisp, ruby, python, xml,
> javascript, CSS, and what not.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I think this is a "wontfix", therefore I'm closing this report.

Best, Arash

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