note muba Thank you!<BR> I used all but one of your suggestions to improve this document. Most things you pointed out where stupid mistakes (which I of course fixed), others were things I'd never find out.<BR> Again, thank you! <!-- Node text goes above. Div tags should contain sig only --> <div class="pmsig"><div class="pmsig-333489"> <BR><BR><BR><BR> <CODE>"2b"||!"2b";$$_="the question"</CODE><BR> Besides that, my code is untested unless stated otherwise.<BR> One more: please review the [id://383015|article about regular expressions (do's and don'ts) I'm working on]. </div></div> 383015 442813