Re: Inputting UTF8 in Emacs

[uzibalqa]

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On Sunday, December 17th, 2023 at 3:20 AM, Eli Zaretskii <eliz@gnu.org> wrote:


> > Date: Sat, 16 Dec 2023 14:58:35 +0000
> > From: uzibalqa uzibalqa@proton.me
> > Cc: help-gnu-emacs@gnu.org
> > 
> > > > Although I got it to work, can things be simplified further. For 
> > > > instance,
> > > > having a command that moves from one character set to another, showing 
> > > > the
> > > > same as is shown by the use of "TAB TAB".
> > > 
> > > This already exists: use M-<DOWN> and M-<UP> arrow keys.
> > 
> > `C-x 8 RET M-<DOWN>' takes a long time to load and display.
> 
> 
> No, not `C-x 8 RET M-<DOWN>'. I meant this:
> 
> 
> C-x 8 RET LOG TAB TAB M-<DOWN>
> 
> > All the UTF8 characters get displayed in a long list with M-<DOWN>
> > and M-<UP> moving a character at a time.
> > 
> > My interest is in displaying a page (e.g. a table) at a time with just the
> > UTF8 characters of a particular set. And shifting one set at a time.
> > 
> > To have an idea, consider the case if `C-x 8 RET M-<DOWN>' shows the first
> > character set (e.g. Arrows). Then pressing "M-<DOWN>" again shows the next
> > character set (e.g. Math Operators), and so on. Makes browsing the UTF8
> > characters much faster and you are moving by Character Set rather them by
> > Character Glyph.
> 
> 
> This is not what "C-x 8 RET" is for. You want a command that shows
> Unicode characters by Unicode blocks, and then allows inserting some
> character. I'm sure someone has already written something like that,
> so maybe search the various ELPAs.

Yes, stepping through entire Unicode blocks is what I would like to have.
And with the display looking like the usual emacs display when using 

C-x 8 RET LOG TAB TAB

Which shows both the glyph and the name in table form.

Is this something difficult to code ?  Emacs could have some added 
functionality that could help making such an implementation.