Follow-up Comment #1, bug #19281 (project avr-libc):
>From the C99 Standard, section 7.4.1.6:
The isblank function tests for any character that is a standard blank
character or is one of a locale-specific set of characters for which isspace
is true and that is used to separate words within a line of text. The
standard blank characters are the following: space (' '), and horizontal tab
('\t'). In the "C" locale, isblank returns true only for the standard blank
characters.
Now section J.4:
J.4 Locale-specific behavior
1 The following characteristics of a hosted environment are locale-specific
and are required
to be documented by the implementation:
....
— The sets of characters tested for by the isalpha, isblank, islower,
ispunct ,
isspace, isupper, iswalpha, iswblank, iswlower, iswpunct ,
iswspace, or iswupper functions (7.4.1.2, 7.4.1.3, 7.4.1.7, 7.4.1.9,
7.4.1.10,
....
The avr-libc documentation says:
int isspace ( int __c )
Checks for white-space characters. For the avr-libc library, these are:
space, form-feed ('\f'), newline ('\n'), carriage return ('\r'), horizontal
tab ('\t'), and vertical tab ('\v').
Not a bug - does conform to C99 standard. Suggest moderator closes bug.
Regards,
-Colin
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