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Re: [External] : Re: Commands to insert a heading and a new page


From: tpeplt
Subject: Re: [External] : Re: Commands to insert a heading and a new page
Date: Sun, 31 Mar 2024 14:40:46 -0400
User-agent: Gnus/5.13 (Gnus v5.13)

Drew Adams <drew.adams@oracle.com> writes:

>> > A simple function to insert a form-feed character:
>
> And two newline chars.
>

Thanks.  Yes, the ‘defun’ is intentionally more verbose than the keystroke
solution you provided because:

1. The writer asked for a function
2. A function can be called in a programmatic way
3. It documents the operations that are performed

>> > (defun new-page ()
>> >   "Insert a page separator into the current buffer."
>> >   (interactive)
>> >   (newline)
>> >   (insert ?\f);Form feed is \f or Ctrl-l or ASCII
>> 012
>> >   (newline))
>
> `C-q C-j C-l C-j` does the same thing.
>
> Get to know `C-q'.
> Get to know the ASCII control chars.
>

Yes.  Your instructions can be a little confusing to new users.  Taken
literally, they won’t work.  New users should read that the key
sequences are:

C-j
C-q C-l
C-j

>> It is not used so often, why and when do you use it?
>
> Sure it is.  Separate text/code pieces,
> visually and for navigation.
>
> See (emacs) `Pages':
>
> https://www.gnu.org/software/emacs/manual/html_node/emacs/Pages.html
>
> And customize page separator:
>
> https://www.emacswiki.org/emacs/PrettyControlL

Thank you for writing the ‘pp-c-l’ library (pp-c-l.el).

1. Is this library provided as a package?  If so, can you provide the
name of the archive?  It is not available from either
https://elpa.gnu.org/packages/ or http://stable.melpa.org/packages/.

2. After downloading the file, I added "-*- lexical-binding: t; -*-" to
the first line and compiled the file using Emacs 29.3.  The compiler
reported the following:

In toplevel form:
pp-c-l.el:126:23: Warning: avoid `lsh'; use `ash' instead
pp-c-l.el:187:19: Warning: Unused lexical argument `symbol'
pp-c-l.el:252:57: Warning: reference to free variable ‘pretty-control-l-mode’
pp-c-l.el:251:11: Warning: assignment to free variable ‘pretty-control-l-mode’

In refresh-pretty-control-l:
pp-c-l.el:269:9: Warning: reference to free variable ‘pretty-control-l-mode’

In end of data:
pp-c-l.el:200:33: Warning: the function ‘pp^L-make-glyph-code’ is not known to
    be defined.
pp-c-l.el:187:34: Warning: the function ‘pretty-control-l-mode’ is not known
    to be defined.

>  
>> ;; +---------------------+
>> ;; | This is not a bluff |
>> ;; +---------------------+
>
> See also library boxquote.el:
>
> https://github.com/davep/boxquote.el

This library, ‘boxquote’ is available as package in the ‘melpa-stable’
archive, listed above, so it can be easily installed, updated, or
un-installed.

--



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