Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Chong Yidong]

> > Text-Mode redefines the new search-map prefix "\es" with
> > center-line. Maybe this needs to be changed too.
>
> Instead of removing these useful commands from key bindings,
> I think we should find a good replacement.
>
> Starting from Emacs 22 we dedicated a special prefix map M-o
> just for such formatting commands.  So I propose to move these
> commands to the following keys:
>
> M-o M-s    center-line
> M-o M-S    center-paragraph

Isn't the M-o prefix key used for text properties?  I don't think it's
such a good fit.  Maybe M-g would be better.  WDYT?

bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Juri Linkov]

>> > Text-Mode redefines the new search-map prefix "\es" with
>> > center-line. Maybe this needs to be changed too.
>>
>> Instead of removing these useful commands from key bindings,
>> I think we should find a good replacement.
>>
>> Starting from Emacs 22 we dedicated a special prefix map M-o
>> just for such formatting commands.  So I propose to move these
>> commands to the following keys:
>>
>> M-o M-s    center-line
>> M-o M-S    center-paragraph
>
> Isn't the M-o prefix key used for text properties?  I don't think it's
> such a good fit.  Maybe M-g would be better.  WDYT?

M-g was intended for navigation commands ("goto" mnemonics), and
M-o for formatting commands (see (emacs) Formatted Text).
I think center-line and center-paragraph are more formatting
than navigation commands.

If this is ok then the following patch implements this.
It binds `M-o M-s' and `M-o M-S' globally after loading
text-mode.el.  This is perfectly fine since these bindings
have no conflicts with other modes.

Index: lisp/textmodes/text-mode.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/text-mode.el,v
retrieving revision 1.55
diff -c -r1.55 text-mode.el
*** lisp/textmodes/text-mode.el	6 May 2008 04:33:13 -0000	1.55
--- lisp/textmodes/text-mode.el	21 Aug 2008 20:43:55 -0000
***************
*** 50,62 ****
  (defvar text-mode-map
    (let ((map (make-sparse-keymap)))
      (define-key map "\e\t" 'ispell-complete-word)
-     (define-key map "\es" 'center-line)
-     (define-key map "\eS" 'center-paragraph)
      map)
    "Keymap for `text-mode'.
  Many other modes, such as `mail-mode', `outline-mode' and `indented-text-mode',
  inherit all the commands defined in this map.")
  
  \f
  (define-derived-mode text-mode nil "Text"
    "Major mode for editing text written for humans to read.
--- 50,63 ----
  (defvar text-mode-map
    (let ((map (make-sparse-keymap)))
      (define-key map "\e\t" 'ispell-complete-word)
      map)
    "Keymap for `text-mode'.
  Many other modes, such as `mail-mode', `outline-mode' and `indented-text-mode',
  inherit all the commands defined in this map.")
  
+ (define-key facemenu-keymap "\es" 'center-line)
+ (define-key facemenu-keymap "\eS" 'center-paragraph)
+ 
  \f
  (define-derived-mode text-mode nil "Text"
    "Major mode for editing text written for humans to read.

-- 
Juri Linkov
http://www.jurta.org/emacs/

Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Juri Linkov]

>> > Text-Mode redefines the new search-map prefix "\es" with
>> > center-line. Maybe this needs to be changed too.
>>
>> Instead of removing these useful commands from key bindings,
>> I think we should find a good replacement.
>>
>> Starting from Emacs 22 we dedicated a special prefix map M-o
>> just for such formatting commands.  So I propose to move these
>> commands to the following keys:
>>
>> M-o M-s    center-line
>> M-o M-S    center-paragraph
>
> Isn't the M-o prefix key used for text properties?  I don't think it's
> such a good fit.  Maybe M-g would be better.  WDYT?

M-g was intended for navigation commands ("goto" mnemonics), and
M-o for formatting commands (see (emacs) Formatted Text).
I think center-line and center-paragraph are more formatting
than navigation commands.

If this is ok then the following patch implements this.
It binds `M-o M-s' and `M-o M-S' globally after loading
text-mode.el.  This is perfectly fine since these bindings
have no conflicts with other modes.

Index: lisp/textmodes/text-mode.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/text-mode.el,v
retrieving revision 1.55
diff -c -r1.55 text-mode.el
*** lisp/textmodes/text-mode.el	6 May 2008 04:33:13 -0000	1.55
--- lisp/textmodes/text-mode.el	21 Aug 2008 20:43:55 -0000
***************
*** 50,62 ****
  (defvar text-mode-map
    (let ((map (make-sparse-keymap)))
      (define-key map "\e\t" 'ispell-complete-word)
-     (define-key map "\es" 'center-line)
-     (define-key map "\eS" 'center-paragraph)
      map)
    "Keymap for `text-mode'.
  Many other modes, such as `mail-mode', `outline-mode' and `indented-text-mode',
  inherit all the commands defined in this map.")
  
  \f
  (define-derived-mode text-mode nil "Text"
    "Major mode for editing text written for humans to read.
--- 50,63 ----
  (defvar text-mode-map
    (let ((map (make-sparse-keymap)))
      (define-key map "\e\t" 'ispell-complete-word)
      map)
    "Keymap for `text-mode'.
  Many other modes, such as `mail-mode', `outline-mode' and `indented-text-mode',
  inherit all the commands defined in this map.")
  
+ (define-key facemenu-keymap "\es" 'center-line)
+ (define-key facemenu-keymap "\eS" 'center-paragraph)
+ 
  \f
  (define-derived-mode text-mode nil "Text"
    "Major mode for editing text written for humans to read.

-- 
Juri Linkov
http://www.jurta.org/emacs/

Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Chong Yidong]

Juri Linkov <juri@jurta.org> writes:

>>> Starting from Emacs 22 we dedicated a special prefix map M-o
>>> just for such formatting commands.  So I propose to move these
>>> commands to the following keys:
>>>
>>> M-o M-s    center-line
>>> M-o M-S    center-paragraph
>>
>> Isn't the M-o prefix key used for text properties?  I don't think it's
>> such a good fit.  Maybe M-g would be better.  WDYT?
>
> M-g was intended for navigation commands ("goto" mnemonics), and
> M-o for formatting commands (see (emacs) Formatted Text).
> I think center-line and center-paragraph are more formatting
> than navigation commands.

But center-line and center-paragraph have nothing to do with text
formatting as such -- currently, the commands in M-o all change
properties.  In contrast, center-line and center-paragraph perform
indentation.

How about C-c C-s and C-c C-S?

Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Juri Linkov]

> Juri Linkov <juri@jurta.org> writes:
>
>>>> Starting from Emacs 22 we dedicated a special prefix map M-o
>>>> just for such formatting commands.  So I propose to move these
>>>> commands to the following keys:
>>>>
>>>> M-o M-s    center-line
>>>> M-o M-S    center-paragraph
>>>
>>> Isn't the M-o prefix key used for text properties?  I don't think it's
>>> such a good fit.  Maybe M-g would be better.  WDYT?
>>
>> M-g was intended for navigation commands ("goto" mnemonics), and
>> M-o for formatting commands (see (emacs) Formatted Text).
>> I think center-line and center-paragraph are more formatting
>> than navigation commands.
>
> But center-line and center-paragraph have nothing to do with text
> formatting as such -- currently, the commands in M-o all change
> properties.  In contrast, center-line and center-paragraph perform
> indentation.

In word processors, formatting has a broader sense - it includes
indentation, centering, alignment, justification, bulleting, numbering.
There was an idea to develop Emacs into a word processor
with the M-o map as the starting point.

> How about C-c C-s and C-c C-S?

These are good keybindings for the text major mode.  However, I don't see
why center-line and center-paragraph should be restricted to text-mode
only.  These commands are useful in any mode, and with a global keybinding
they will be available everywhere just like other formatting commands
such as `fill-paragraph' and commands in the `M-o' map that now has
enough room for more keybindings:

M-o b           facemenu-set-bold
M-o d           facemenu-set-default
M-o i           facemenu-set-italic
M-o l           facemenu-set-bold-italic
M-o o           facemenu-set-face
M-o u           facemenu-set-underline
M-o M-o         font-lock-fontify-block

-- 
Juri Linkov
http://www.jurta.org/emacs/

Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Chong Yidong]

Juri Linkov <juri@jurta.org> writes:

>>> M-g was intended for navigation commands ("goto" mnemonics), and
>>> M-o for formatting commands (see (emacs) Formatted Text).
>>> I think center-line and center-paragraph are more formatting
>>> than navigation commands.
>>
>> But center-line and center-paragraph have nothing to do with text
>> formatting as such -- currently, the commands in M-o all change
>> properties.  In contrast, center-line and center-paragraph perform
>> indentation.
>
> I don't see why center-line and center-paragraph should be restricted
> to text-mode only.  These commands are useful in any mode, and with a
> global keybinding they will be available everywhere just like other
> formatting commands such as `fill-paragraph' and commands in the `M-o'
> map that now has enough room for more keybindings:
>
> M-o b           facemenu-set-bold
> M-o d           facemenu-set-default
> M-o i           facemenu-set-italic
> M-o l           facemenu-set-bold-italic
> M-o o           facemenu-set-face
> M-o u           facemenu-set-underline
> M-o M-o         font-lock-fontify-block

Okay then.  Could please check in a couple of NEWS entry explaining this
as well?  Thanks.

Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Juri Linkov]

> Okay then.  Could please check in a couple of NEWS entry explaining this
> as well?  Thanks.

Done.

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Harald Maier]

Text-Mode redefines the new search-map prefix "\es" with
center-line. Maybe this needs to be changed too.

Harald

Index: text-mode.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/text-mode.el,v
retrieving revision 1.55
diff -w -r1.55 text-mode.el
53,54c53,54
<     (define-key map "\es" 'center-line)
<     (define-key map "\eS" 'center-paragraph)
---
> ;;;     (define-key map "\es" 'center-line)
> ;;;     (define-key map "\eS" 'center-paragraph)



In GNU Emacs 23.0.60.16 (x86_64-unknown-linux-gnu, GTK+ Version 2.8.11)
 of 2008-08-10 on ate-s10-x64
Windowing system distributor `The X.Org Foundation', version 11.0.60900000
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=local
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Juri Linkov]

> Text-Mode redefines the new search-map prefix "\es" with
> center-line. Maybe this needs to be changed too.
>
> Index: text-mode.el
> ===================================================================
> RCS file: /sources/emacs/emacs/lisp/textmodes/text-mode.el,v
> retrieving revision 1.55
> diff -w -r1.55 text-mode.el
> 53,54c53,54
> <     (define-key map "\es" 'center-line)
> <     (define-key map "\eS" 'center-paragraph)
> ---
>> ;;;     (define-key map "\es" 'center-line)
>> ;;;     (define-key map "\eS" 'center-paragraph)

Instead of removing these useful commands from key bindings,
I think we should find a good replacement.

Starting from Emacs 22 we dedicated a special prefix map M-o
just for such formatting commands.  So I propose to move these
commands to the following keys:

M-o M-s    center-line
M-o M-S    center-paragraph

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#684: marked as done (23.0.60; text-mode redefines "\es", the new search-map prefix)

[Emacs bug Tracking System]

[-- Attachment #1: Type: text/plain, Size: 888 bytes --]


Your message dated Mon, 25 Aug 2008 23:33:20 +0300
with message-id <87tzd896nj.fsf@jurta.org>
and subject line Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix
has caused the Emacs bug report #684,
regarding 23.0.60; text-mode redefines "\es", the new search-map prefix
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
684: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=684
Emacs Bug Tracking System
Contact don@donarmstrong.com with problems

[-- Attachment #2: Type: message/rfc822, Size: 3044 bytes --]

From: Harald Maier <Harald@Maierh.de>
To: emacs-pretest-bug@gnu.org
Subject: 23.0.60; text-mode redefines "\es", the new search-map prefix
Date: Sun, 10 Aug 2008 09:42:08 +0200 (CEST)
Message-ID: <20080810074208.42A9563A55@ate-s10-x64.maierh>

Text-Mode redefines the new search-map prefix "\es" with
center-line. Maybe this needs to be changed too.

Harald

Index: text-mode.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/text-mode.el,v
retrieving revision 1.55
diff -w -r1.55 text-mode.el
53,54c53,54
<     (define-key map "\es" 'center-line)
<     (define-key map "\eS" 'center-paragraph)
---
> ;;;     (define-key map "\es" 'center-line)
> ;;;     (define-key map "\eS" 'center-paragraph)



In GNU Emacs 23.0.60.16 (x86_64-unknown-linux-gnu, GTK+ Version 2.8.11)
 of 2008-08-10 on ate-s10-x64
Windowing system distributor `The X.Org Foundation', version 11.0.60900000
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=local
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t




[-- Attachment #3: Type: message/rfc822, Size: 2191 bytes --]

From: Juri Linkov <juri@jurta.org>
To: Chong Yidong <cyd@stupidchicken.com>
Cc: emacs-devel@gnu.org, 684-done@emacsbugs.donarmstrong.com
Subject: Re: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix
Date: Mon, 25 Aug 2008 23:33:20 +0300
Message-ID: <87tzd896nj.fsf@jurta.org>

> Okay then.  Could please check in a couple of NEWS entry explaining this
> as well?  Thanks.

Done.

-- 
Juri Linkov
http://www.jurta.org/emacs/

center-line on region (was: bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix)

[Juri Linkov]

BTW, I noticed that `center-line' doesn't take into account the active
region like `fill-paragraph' already does.  I propose the following patch
to do exactly the same, i.e. to center each line in the active region
when center-line is called interactively and the region is active:

Index: lisp/textmodes/text-mode.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/textmodes/text-mode.el,v
retrieving revision 1.56
diff -c -w -b -r1.56 text-mode.el
*** lisp/textmodes/text-mode.el	25 Aug 2008 20:31:52 -0000	1.56
--- lisp/textmodes/text-mode.el	25 Aug 2008 20:49:17 -0000
***************
*** 153,164 ****
  
  (define-key facemenu-keymap "\es" 'center-line)
  
! (defun center-line (&optional nlines)
    "Center the line point is on, within the width specified by `fill-column'.
  This means adjusting the indentation so that it equals
  the distance between the end of the text and `fill-column'.
! The argument NLINES says how many lines to center."
!   (interactive "P")
    (if nlines (setq nlines (prefix-numeric-value nlines)))
    (while (not (eq nlines 0))
      (save-excursion
--- 153,171 ----
  
  (define-key facemenu-keymap "\es" 'center-line)
  
! (defun center-line (&optional nlines region)
    "Center the line point is on, within the width specified by `fill-column'.
  This means adjusting the indentation so that it equals
  the distance between the end of the text and `fill-column'.
! The argument NLINES says how many lines to center.
! 
! Interactively (when `region' is non-nil) in Transient Mark mode when
! the mark is active, call `center-region' to center each nonblank line
! in the active region."
!   (interactive (list current-prefix-arg t))
!   ;; Center the region if it is active when called interactively.
!   (if (and region (region-active-p))
!       (center-region (region-beginning) (region-end))
      (if nlines (setq nlines (prefix-numeric-value nlines)))
      (while (not (eq nlines 0))
        (save-excursion
***************
*** 179,185 ****
  	   (forward-line 1))
  	  ((< nlines 0)
  	   (setq nlines (1+ nlines))
! 	   (forward-line -1)))))
  
  ;; arch-tag: a07ccaad-da13-4d7b-9c61-cd04f5926aab
  ;;; text-mode.el ends here
--- 186,192 ----
  	     (forward-line 1))
  	    ((< nlines 0)
  	     (setq nlines (1+ nlines))
! 	     (forward-line -1))))))
  
  ;; arch-tag: a07ccaad-da13-4d7b-9c61-cd04f5926aab
  ;;; text-mode.el ends here

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Chong Yidong]

Juri Linkov <juri@jurta.org> writes:

>>> M-g was intended for navigation commands ("goto" mnemonics), and
>>> M-o for formatting commands (see (emacs) Formatted Text).
>>> I think center-line and center-paragraph are more formatting
>>> than navigation commands.
>>
>> But center-line and center-paragraph have nothing to do with text
>> formatting as such -- currently, the commands in M-o all change
>> properties.  In contrast, center-line and center-paragraph perform
>> indentation.
>
> I don't see why center-line and center-paragraph should be restricted
> to text-mode only.  These commands are useful in any mode, and with a
> global keybinding they will be available everywhere just like other
> formatting commands such as `fill-paragraph' and commands in the `M-o'
> map that now has enough room for more keybindings:
>
> M-o b           facemenu-set-bold
> M-o d           facemenu-set-default
> M-o i           facemenu-set-italic
> M-o l           facemenu-set-bold-italic
> M-o o           facemenu-set-face
> M-o u           facemenu-set-underline
> M-o M-o         font-lock-fontify-block

Okay then.  Could please check in a couple of NEWS entry explaining this
as well?  Thanks.

bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Juri Linkov]

> Juri Linkov <juri@jurta.org> writes:
>
>>>> Starting from Emacs 22 we dedicated a special prefix map M-o
>>>> just for such formatting commands.  So I propose to move these
>>>> commands to the following keys:
>>>>
>>>> M-o M-s    center-line
>>>> M-o M-S    center-paragraph
>>>
>>> Isn't the M-o prefix key used for text properties?  I don't think it's
>>> such a good fit.  Maybe M-g would be better.  WDYT?
>>
>> M-g was intended for navigation commands ("goto" mnemonics), and
>> M-o for formatting commands (see (emacs) Formatted Text).
>> I think center-line and center-paragraph are more formatting
>> than navigation commands.
>
> But center-line and center-paragraph have nothing to do with text
> formatting as such -- currently, the commands in M-o all change
> properties.  In contrast, center-line and center-paragraph perform
> indentation.

In word processors, formatting has a broader sense - it includes
indentation, centering, alignment, justification, bulleting, numbering.
There was an idea to develop Emacs into a word processor
with the M-o map as the starting point.

> How about C-c C-s and C-c C-S?

These are good keybindings for the text major mode.  However, I don't see
why center-line and center-paragraph should be restricted to text-mode
only.  These commands are useful in any mode, and with a global keybinding
they will be available everywhere just like other formatting commands
such as `fill-paragraph' and commands in the `M-o' map that now has
enough room for more keybindings:

M-o b           facemenu-set-bold
M-o d           facemenu-set-default
M-o i           facemenu-set-italic
M-o l           facemenu-set-bold-italic
M-o o           facemenu-set-face
M-o u           facemenu-set-underline
M-o M-o         font-lock-fontify-block

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#684: 23.0.60; text-mode redefines "\es", the new search-map prefix

[Chong Yidong]

Juri Linkov <juri@jurta.org> writes:

>>> Starting from Emacs 22 we dedicated a special prefix map M-o
>>> just for such formatting commands.  So I propose to move these
>>> commands to the following keys:
>>>
>>> M-o M-s    center-line
>>> M-o M-S    center-paragraph
>>
>> Isn't the M-o prefix key used for text properties?  I don't think it's
>> such a good fit.  Maybe M-g would be better.  WDYT?
>
> M-g was intended for navigation commands ("goto" mnemonics), and
> M-o for formatting commands (see (emacs) Formatted Text).
> I think center-line and center-paragraph are more formatting
> than navigation commands.

But center-line and center-paragraph have nothing to do with text
formatting as such -- currently, the commands in M-o all change
properties.  In contrast, center-line and center-paragraph perform
indentation.

How about C-c C-s and C-c C-S?