[avr-libc-dev] [bug #19281] isblank('v') return TRUE: mismatch to C99

[Colin O Flynn]

Follow-up Comment #3, bug #19281 (project avr-libc):

> isblank() is not the same as isspace().

Crap - i was misreading this:

"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." (emphasis
mine)

As saying it must return those for which isspace is true, not as the set of
which isblank CAN return is limited to those isspace considers true.

Fix in docs or in source? Both are valid, the source does explicitly check
for vertical tab but that was never documented...

Regards,

 -Colin

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