Talk:Strip whitespace from a string/Top and tail

task clarification

In the sentence:

For the purposes of this task whitespace includes non printable characters such as the space character, the tab character,
and other such characters that have no corresponding graphical representation.

Wouldn't it be better to use:
... , and other such characters that may have no corresponding ...

-- Gerard Schildberger 17:32, 14 September 2012 (UTC)

Also note that the tab character has a printable character (although, in most circumstances, it's converted to a blank (or a number of blanks). It's graphic on my computer is   ○     (a circle).

Also, only three characters don't have a printable characters, '00'x, the blank, and 'ff'x. Of course, this is very dependent on the code page being used. -- Gerard Schildberger 07:06, 17 December 2012 (UTC)

Error in   C   code

When string is empty, the result is undefined.