Subject: Re: Contents present? Apparently simple but ... From: Matthias Clasen <clasen@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Date: Tue, 14 Dec 1999 17:23:23 +0100 |
> > I'm trying to test for the existence of element content so that I can do > conditional processing on an element. > > I would have said > > (if (data (current-node) > ( -- branch 1 --) > ( -- branch 2 --)) > > would do what I want. However, branch 1 always gets executed, whether the > element is empty or not. > > > I thought this was simple, but I seem to be missing something :-( > If there is no data, (data ...) returns an empty string. But every object except #f counts as a true value in DSSSL. -- Matthias Clasen, Tel. 0761/203-5606 Email: clasen@xxxxxxxxxxxxxxxxxxxxxxxxxx Mathematisches Institut, Albert-Ludwigs-Universitaet Freiburg DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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