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

[tomas]

On Thu, Jul 22, 2021 at 05:45:36PM +0800, Hongyi Zhao wrote:
> On Thu, Jul 22, 2021 at 4:06 PM <tomas@tuxteam.de> wrote:
> >
> > On Thu, Jul 22, 2021 at 09:13:31AM +0800, Hongyi Zhao wrote:

[...]

> If so, the RS should be represented by ^^ in a self-consistent way :-)

It is, indeed.

I can't enter it here interactively with the "C-q" trick, because my
keyboard setup maps it to a dead key (useful for entering accents),
but doing (insert "\^^") in an Emacs buffer and querying the result
with "describe character confirms that.

Note the fancy Unicode name "INFORMATION SEPARATOR TWO". For whatever
reason they chose that one alternative [1]. Perhaps because it sounds
more bureaucratic ;-)

Cheers

[1] https://en.wikipedia.org/wiki/C0_and_C1_control_codes#Category-Number_names

 - t

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