bug#19338: [PATCHv2 1/2] descr-text: add `describe-char-eldoc' describing character at point

[Michal Nazarewicz <mina86@mina86.com>]

> On 2014-12-11 17:02 +0100, Michal Nazarewicz wrote:
>> `describe-char-eldoc' displays information about character at point,
>> +and can be used as a default value of `eldoc-documentation-function'.

On Fri, Dec 12 2014, Leo Liu <sdl.web@gmail.com> wrote:
> Boy! don't we have enough ways to annoy users?

It's not enabled by default and you don't have to use it.

>> It is +useful when, for example, one needs to distinguish various
>> spaces (e.g. ] [, +] [, ] [, etc.) while using mono-spaced font.

> C-x =

C-x = (i) is two keystrokes, and (ii) does not even give character's
name.

C-u C-x = (i) is three keystrokes, (ii) pops up a new window, which
later needs to be closed somehow, (iii) contents of which is actually
terribly hard to read (e.g. name of the character is somewhere in the
middle).

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