Re: [External] : Re: Regexp for matching control character, say, FORM FEED. (Was: Re: The `^L' appeared in built-in help.)

[Hongyi Zhao]

On Thu, Jul 22, 2021 at 10:38 PM <tomas@tuxteam.de> wrote:
>
> On Thu, Jul 22, 2021 at 09:56:09PM +0800, Hongyi Zhao wrote:
>
> [...]
>
> > Suppose I've the following content in scratch buffer:
> >
> > (re-search-forward "\f")
> > ^L
> >
> > I put the point at the end of sexp line, and hit `C-j' to evaluate it.
> > I find that each time after the sexp has been evaluated successfully,
> > the `^L' line will be moved to the next line. See the screenshot in
> > the attachment, where I've evaluated the sexp 4 times.
> >
> > Any hints for this behavior?
>
> That depends on what C-j is bound to. What does say "describe-key",
> aka C-h C-k?

`C-h k C-j RET':
;;;
C-j runs the command eval-print-last-sexp (found in
lisp-interaction-mode-map), which is an interactive compiled Lisp
function in ‘elisp-mode.el’.

It is bound to C-j, <menu-bar> <lisp-interaction> <Evaluate and
Print>.
[...]
;;;

Best,
HY