GNU bug report logs -
#14973
Unfill for Emacs
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Reported by: Xue Fuqiao <xfq.free <at> gmail.com>
Date: Sun, 28 Jul 2013 06:37:01 UTC
Severity: wishlist
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
Bug is archived. No further changes may be made.
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bug#14973
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(Sun, 28 Jul 2013 06:37:02 GMT)
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Xue Fuqiao <xfq.free <at> gmail.com>
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(Sun, 28 Jul 2013 06:37:03 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
tags patch
There are fill-{paragraph, column}, but I didn't find an unfill command,
can we add them (maybe in fill.el)?
(defun unfill-paragraph ()
"Replace newline characters in current paragraph by single spaces.
This command does the inverse of `fill-paragraph'."
(interactive)
(let ((fill-column most-positive-fixnum))
(fill-paragraph nil)))
(defun unfill-region (beg end)
"Replace newline characters in region by single spaces.
If called non-interactively, BEG and END are the beginning and end of
the text to unfill.
This command does the inverse of `fill-region'."
(interactive "r")
(let ((fill-column most-positive-fixnum))
(fill-region beg end)))
--
Best regards, Xue Fuqiao.
http://www.gnu.org/software/emacs/
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(Sun, 28 Jul 2013 14:29:01 GMT)
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Message #8 received at 14973 <at> debbugs.gnu.org (full text, mbox):
Just one terminology point: what you describe and implement is not
unfilling. These are fill commands, not unfill commands.
Unfilling is the inverse of filling. Unfilling undoes the last filling
operation on the same region or whatever. It restores contiguous
whitespace chars that were collapsed, etc.
What you have instead might be called "join lines" or "remove line
breaks". But even those names do not accurately characterize it, because
it also fills: it insists on the kind of whitespace separation imposed
by filling: no contiguous whitespace chars (except possibly indentation
and after sentence ends).
That does not mean that this could not be useful. But we might not want
to falsely advertise what it does.
The best characterization of what this code does is "fill as one line".
(But even that assumes a line length less than `most-positive-fixnum'.)
And that is my suggestion:
`fill-paragraph-as-one-line'
`fill-region-as-one-line'
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(Sun, 28 Jul 2013 14:55:01 GMT)
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Message #11 received at 14973 <at> debbugs.gnu.org (full text, mbox):
> Date: Sun, 28 Jul 2013 14:36:05 +0800
> From: Xue Fuqiao <xfq.free <at> gmail.com>
>
> There are fill-{paragraph, column}, but I didn't find an unfill command,
> can we add them (maybe in fill.el)?
>
> (defun unfill-paragraph ()
> "Replace newline characters in current paragraph by single spaces.
>
> This command does the inverse of `fill-paragraph'."
> (interactive)
> (let ((fill-column most-positive-fixnum))
> (fill-paragraph nil)))
You need a special command to replace one character by another?
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(Sun, 28 Jul 2013 15:07:02 GMT)
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Message #14 received at 14973 <at> debbugs.gnu.org (full text, mbox):
> > There are fill-{paragraph, column}, but I didn't find an unfill command,
> > can we add them (maybe in fill.el)?
> >
> > (defun unfill-paragraph ()
> > "Replace newline characters in current paragraph by single spaces.
>
> You need a special command to replace one character by another?
A user might not *need* that, provided s?he were knowledgeable wrt
replacement commands or wrt Lisp. But a user might *want* that.
The question is whether such commands should be added to Emacs, as a
convenience. I have no opinion about that. But if they are added then
I would prefer that the command names reflect better what the commands do
(see my previous comment).
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(Sun, 28 Jul 2013 15:16:01 GMT)
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Message #17 received at submit <at> debbugs.gnu.org (full text, mbox):
Eli Zaretskii <eliz <at> gnu.org> writes:
> You need a special command to replace one character by another?
The command does more than that, e.g. it honours
sentence-end-double-space.
I do not think there is any need to add this command to vanilla Emacs.
Just use set-fill-column (C-x f).
Christopher
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(Sun, 28 Jul 2013 16:59:02 GMT)
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Message #20 received at 14973 <at> debbugs.gnu.org (full text, mbox):
>> You need a special command to replace one character by another?
This is what I use for deleting newlines and thus create "long" lines.
Seem to work well for me.
,----
| M-^ runs the command delete-indentation, which is an interactive
| compiled Lisp function in `simple.el'.
|
| It is bound to M-^.
|
| (delete-indentation &optional ARG)
|
| Join this line to previous and fix up whitespace at join.
| If there is a fill prefix, delete it from the beginning of this line.
| With argument, join this line to following line.
`----
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(Sun, 28 Jul 2013 18:32:01 GMT)
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Message #23 received at 14973 <at> debbugs.gnu.org (full text, mbox):
On Sun, Jul 28, 2013 at 9:59 AM, Jambunathan K <kjambunathan <at> gmail.com> wrote:
>
>>> You need a special command to replace one character by another?
>
> This is what I use for deleting newlines and thus create "long" lines.
> Seem to work well for me.
>
> ,----
> | M-^ runs the command delete-indentation, which is an interactive
> | compiled Lisp function in `simple.el'.
> |
> | It is bound to M-^.
> |
> | (delete-indentation &optional ARG)
> |
> | Join this line to previous and fix up whitespace at join.
> | If there is a fill prefix, delete it from the beginning of this line.
> | With argument, join this line to following line.
> `----
Perhaps it would make sense to extend delete-indentation to apply to
active regions in the same way as commands like replace-string,
whitespace-cleanup, etc. This could make "unfilling" a paragraph as
simple as M-h M-^, perhaps with an intervening C-n to move point to
the desired position. Alternatively, a bare negative prefix argument
(M-- M-^) could trigger that behavior without need of an active
region.
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(Wed, 26 Jan 2022 17:26:02 GMT)
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Message #26 received at 14973 <at> debbugs.gnu.org (full text, mbox):
Josh <josh <at> foxtail.org> writes:
> Perhaps it would make sense to extend delete-indentation to apply to
> active regions in the same way as commands like replace-string,
> whitespace-cleanup, etc. This could make "unfilling" a paragraph as
> simple as M-h M-^, perhaps with an intervening C-n to move point to
> the desired position.
(I'm going through old bug reports that unfortunately weren't resolved
at the time.)
Looks like the command was changed to work just like this in:
commit 0cd250e9583deb1e1f4d8dae2ec44c4f7c13efa6
Author: Basil L. Contovounesios <contovob <at> tcd.ie>
AuthorDate: Wed Mar 27 15:13:25 2019 +0000
Fix recently extended delete-indentation behavior
So I think this covers the proposed new commands, and I'm therefore
closing this bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
bug closed, send any further explanations to
14973 <at> debbugs.gnu.org and Xue Fuqiao <xfq.free <at> gmail.com>
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org
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(Wed, 26 Jan 2022 17:26:02 GMT)
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bug archived.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
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internal_control <at> debbugs.gnu.org
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(Thu, 24 Feb 2022 12:24:09 GMT)
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This bug report was last modified 2 years and 58 days ago.
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