John Zenger writes:

> In an ideal world, my IDE would do this with a red wavy line.

You didn't mention which IDE you use; however, if you use Emacs, there
is flyspell-prog-mode which does that for you (checks your spelling
"on the fly", but only within comments and strings).

Regards,
David Trudgett

--
These are not the droids you are looking for. Move along.