Re: Doc: typo in config.sgml

>> I wonder if it would be worth to add a check for this like we have to tabs?

+1.

>> The attached adds a rule to "make -C doc/src/sgml check" for trapping nbsp
>> (doing so made me realize we don't have an equivalent meson target).
>
> Your patch couldn't detect 0xA0 in config.sgml in my machine, but it works
> when I use `grep -P "[\xA0]"` instead of `grep -e "\xA0"`.
>
> However, it also detects the following line in charset.sgml.
> (https://www.postgresql.org/docs/current/collation.html)
>
> For example, locale und-u-kb sorts 'àe' before 'aé'.
>
> This is not non-breaking space, so should not be detected as an error.

That's because non-breaking space (nbsp) is not encoded as 0xa0 in
UTF-8. nbsp in UTF-8 is "0xc2 0xa0" (2 bytes) (A 0xa0 is a nbsp's code
point in Unicode. i.e. U+00A0).
So grep -P "[\xC2\xA0]" should work to detect nbsp.

Best reagards,
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp