On Mon, 8 Oct 2007, Vincent Lefevre wrote: > I wonder if procmail should also regard them as equivalent too.
You don't really need that. That's what the idiom [ ]* exists. Between brackets, there is exactly a space and a tab. See http://mirror.ncsa.uiuc.edu/procmail-faq/mini-faq.html -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]