Unicode Char Names: describe-char-unicode-data vs get-char-code-property

["T.V. Raman" <tv.raman.tv@gmail.com>]

Interesting.  Any tips on where in my customization/configuration
I should dig:-)
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On 12/27/13, Eli Zaretskii <eliz@gnu.org> wrote:
>> Date: Fri, 27 Dec 2013 12:09:36 -0800
>> From: "T.V. Raman" <tv.raman.tv@gmail.com>
>>
>> I use describe-char-unicode-data to speak unicode chars in
>> emacspeak when navigating by character.
>>
>> That function claims to be semi-obsolete -- and recommends
>> get-char-code-property instead; however the answers are not
>> consistent in the two solutions.
>>
>> Try non-breaking space \240 (octal)
>>
>> (setq char ? )
>> 160 (#o240, #xa0, ? )
>> (describe-char-unicode-data char) returns
>> (("Name" "NO-BREAK SPACE") ("Category" "Separator, Space")
>> ("Combining class" "Zs") ("Bidi category" "Zs") ("Decomposition"
>> "noBreak ") ("Decimal digit value" nil) ("Digit value" nil)
>> ("Numeric value" nil) ("Mirrored" nil) ("Old name" "NON-BREAKING
>> SPACE") ("ISO 10646 comment" nil) ("Uppercase" nil) ...)
>> whereas
>> (get-char-code-property char 'name) returns
>> "COMMA NO-SHE IOTA ARABIC DIAERESIS"
>> also looking up char in ucs-names yields something different
>> (car (rassoc char (ucs-names))) returns
>> "NON-NEITHER UNDER CM COMMA"
>> Note that all of the above is with the unicdoedata file present
>> and correctly found by emacs.
>
> I cannot reproduce any of these.  For me, both
> describe-char-unicode-data and get-char-code-property returns the same
> name, "NO-BREAK SPACE", and from ucs-names I get "NON-BREAKING SPACE",
> which is the "Old Name" property of that character.
>
>> Also, and perhaps related:
>>
>> C-x 8 spc inserts non-breaking space correctly; however when you
>> use C-x 8 ret, non-breaking space doesn't show up in the
>> available completions -- either using it's "name" or "old-name"
>
> This also works as expected on my system.
>
> Please dig deeper into your configuration and customizations, the
> answer is somewhere there.
>