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Subject: Re: Regular expression functions (Was: Re: [xsl] comments on December F&O draft) From: Jeni Tennison <jeni@xxxxxxxxxxxxxxxx> Date: Fri, 11 Jan 2002 14:38:25 +0000 |
David, >> I think that in both cases returning different trees would be more >> consistent, > > It's consistent with xslt tree creatuion but inconsistent with > side-effect free function semantics which are there at least in part > so that you can optimise and re-order function calls. Hrm, see ya point... Is it realistic to expect implementations to guarantee to return the same thing for any given combination of arguments for a particular function? (I guess the only ones they'd have to worry about would be those returning node sequences, so presumably that would help, but even so it appears to be a big burden...) Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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