Re: [PATCH] Clarify field delimiter description in uniq --help output

[Pádraig Brady]

Jim Meyering wrote:
>> Hi Pádraig,
>>
>> Thanks!
>> Your summary is right, but the --help change is slightly
>> inaccurate, since "blank" can mean more than just SPC or TAB.

Yes you're right for non C locales.

In my en_IE.utf8 locale isblank() is the larger set of:

0009 TAB
0020 SPACE
1680 OGHAM SPACE MARK
180E MONGOLIAN VOWEL SEPARATOR
2000 EN QUAD
2001 EM QUAD
2002 EN SPACE
2003 EM SPACE
2004 THREE-PER-EM SPACE
2005 FOUR-PER-EM SPACE
2006 SIX-PER-EM SPACE
2008 PUNCTUATION SPACE
2009 THIN SPACE
200A HAIR SPACE
205F MEDIUM MATHEMATICAL SPACE
3000 IDEOGRAPHIC SPACE

It could also be argued that my "spaces or tabs" was more descriptive,
and could also imply the "spaces" above?
Personally I had to `man isblank` to see what was considered blank,
and the linux man page only mentions the space and tab chars anyway.

thanks,
Pádraig.