GNU bug report logs - #42839
[PATCH] Support displaying line numbers in goto-line

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Package: emacs; Reported by: Stefan Kangas <stefan@HIDDEN>; Keywords: patch; dated Thu, 13 Aug 2020 06:31:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Robert Pluim <rpluim@HIDDEN>
To: Stefan Kangas <stefan@HIDDEN>
Subject: Re: bug#42839: [PATCH] Support displaying line numbers in goto-line
References: <CADwFkmkCryuZ6B0cgHEzX_V8mmad0gzBMQRR6dYU9958jVu9zg@HIDDEN>
 <m2a6yzhrsm.fsf@HIDDEN>
 <CADwFkmn_vfCHYe+S0E16p2Dy-v7w1MRoTDu5LJaDatSnkTH0=Q@HIDDEN>
Date: Thu, 13 Aug 2020 11:16:37 +0200
In-Reply-To: <CADwFkmn_vfCHYe+S0E16p2Dy-v7w1MRoTDu5LJaDatSnkTH0=Q@HIDDEN>
 (Stefan Kangas's message of "Thu, 13 Aug 2020 01:58:41 -0700")
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>>>>> On Thu, 13 Aug 2020 01:58:41 -0700, Stefan Kangas <stefan@HIDDEN>=
 said:

    Stefan> Well, I don't always know the line number of every line in my w=
indow.

Neither do I, but if I=CA=BCm going to a specific number that doesn=CA=BCt
matter.

    >> For that matter, why not just move to the line using other motion
    >> commands?

    Stefan> I personally use `goto-line' only when I have a specific line n=
umber
    Stefan> that I want to go to.  It is true that there are other movement
    Stefan> commands that are often better to use.

    >> And if it=CA=BCs not visible, what does showing line numbers for the=
 lines
    >> that are visible get you?

    Stefan> It serves as a reminder of where you're at before you leave.

`goto-line' sets the mark, so that=CA=BCs only a 'C-u C-SPC' away.

Robert
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#42839; Package emacs. Full text available.

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Subject: Re: bug#42839: [PATCH] Support displaying line numbers in goto-line
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Robert Pluim <rpluim@HIDDEN> writes:

>>>>>> On Wed, 12 Aug 2020 23:30:42 -0700, Stefan Kangas <stefan@HIDDEN=
> said:
>
>     Stefan> Here's an interesting idea I picked up from Reddit: make goto=
-line
>     Stefan> enable display-line-numbers-mode temporarily when prompting. =
 Please see
>     Stefan> the attached patch.
>
>     Stefan> Comments or thoughts welcome, as always.
>
> Hmm, if the line you=CA=BCre going to is visible, why would
> you need goto-line to show line numbers?

Well, I don't always know the line number of every line in my window.

> For that matter, why not just move to the line using other motion
> commands?

I personally use `goto-line' only when I have a specific line number
that I want to go to.  It is true that there are other movement
commands that are often better to use.

> And if it=CA=BCs not visible, what does showing line numbers for the line=
s
> that are visible get you?

It serves as a reminder of where you're at before you leave.

> You'd have to add some interactive 'scroll window to show target line'
> functionality, I think.

Good idea, thanks.  Maybe I should look into that.

Best regards,
Stefan Kangas
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#42839; Package emacs. Full text available.

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From: Robert Pluim <rpluim@HIDDEN>
To: Stefan Kangas <stefan@HIDDEN>
Subject: Re: bug#42839: [PATCH] Support displaying line numbers in goto-line
References: <CADwFkmkCryuZ6B0cgHEzX_V8mmad0gzBMQRR6dYU9958jVu9zg@HIDDEN>
Date: Thu, 13 Aug 2020 10:30:01 +0200
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>>>>> On Wed, 12 Aug 2020 23:30:42 -0700, Stefan Kangas <stefan@HIDDEN>=
 said:

    Stefan> Here's an interesting idea I picked up from Reddit: make goto-l=
ine
    Stefan> enable display-line-numbers-mode temporarily when prompting.  P=
lease see
    Stefan> the attached patch.

    Stefan> Comments or thoughts welcome, as always.

Hmm, if the line you=CA=BCre going to is visible, why would
you need goto-line to show line numbers? For that matter, why not just
move to the line using other motion commands?

And if it=CA=BCs not visible, what does showing line numbers for the lines
that are visible get you?

You'd have to add some interactive 'scroll window to show target line'
functionality, I think.

Robert
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#42839; Package emacs. Full text available.

Message received at submit <at> debbugs.gnu.org:


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From: Stefan Kangas <stefan@HIDDEN>
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Date: Wed, 12 Aug 2020 23:30:42 -0700
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Subject: [PATCH] Support displaying line numbers in goto-line
To: bug-gnu-emacs@HIDDEN
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--0000000000009d960c05acbc71f0
Content-Type: text/plain; charset="UTF-8"

Here's an interesting idea I picked up from Reddit: make goto-line
enable display-line-numbers-mode temporarily when prompting.  Please see
the attached patch.

Comments or thoughts welcome, as always.

Best regards,
Stefan Kangas

PS. I added a new defcustom to enable this behaviour, by default set to
    nil.  But if it seems useful, it would be nifty if we could enable
    it by default.  (I have no idea if display-line-numbers-mode is
    stable enough in all scenarios, however.)

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--0000000000009d960c05acbc71f0--
Acknowledgement sent to Stefan Kangas <stefan@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#42839; Package emacs. Full text available.
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