bug#24902: 25.1; C-x = for Unicode

[Mattias Engdegård]

> As others noted, `C-u C-x =' does display this info, and the reason that `C-x 
> =' doesn't is because the names can be very long. We could add a user option 
> to include it anyway, but in my opinion, it wouldn't be used much, and users 
> that want this could just add advice to the command to do it instead. 

If many users would be served by an improved format, perhaps a change would be 
warranted after all? My local version replaces the standard

 Char: α (945, #o1661, #x3b1, file ...) point=419 of 423 (99%) column=0

with

 U+03B1 GREEK SMALL LETTER ALPHA pt=419/423 col=0

To save space, remove noise, unnecessary and/or obsolete characters. U+HHHH is 
the standard notation for code values nowadays; I have little use for decimal 
and octal (octal!) numbers although I know how to get them if I want. Nor do I 
generally need to see the character itself; it's right under the cursor.

Now almost all Unicode character names fit very comfortably on a single line in 
the echo area, and for the rare ones that do not, this area expands.

I'm not going to reopen the bug but believe such a format (or something 
similar) would be much more helpful for the typical user. But don't take my 
word for it: try running something like the attached code yourself for a while 
and see if it doesn't make you happier.

I doubt much thought has gone into the present format; it's just an artefact of 
history.

my-what-cursor-position.el
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