3 Mar
2010
3 Mar
'10
4:13 a.m.
Hans van der Meer wrote:
This text suggest that the the test is on whether "string" as a whole is a number (taken as having digits 0123456789 only, I presume) of contains nondigits and thus isn't a number.
However, it seems the macro tests on the first character only.
The wiki page has that remark added as a corrigendum to the article. Best wishes, Taco