Subject: Re: [xsl] variable going out of scope in a for-each loop? From: "Christopher R. Maden" <crism@xxxxxxxxx> Date: Sun, 09 Dec 2001 23:15:10 -0800 |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 At 15:22 9-12-2001, Mike Brown wrote: >Eric Smith wrote: > > xsl fragment: > > > > <xsl:for-each select="cell"> > > <xsl:if test="number(.)=number(.)"> > > We have a number here > >I think you meant > > <xsl:if test="string(.) = number(.)"> No, he didn't. This is a clever little bit of hackery. NaN is not equal to itself. So if the node value is a number, number(.)=number(.) is a tautology, but if the node value *isn't* a number, then NaN=NaN is false. ~Chris - -- Christopher R. Maden, Principal Consultant, HMM Consulting Int'l, Inc. DTDs/schemas - conversion - ebooks - publishing - Web - B2B - training <URL: http://www.hmmci.com/ > <URL: http://crism.maden.org/consulting/ > PGP Fingerprint: BBA6 4085 DED0 E176 D6D4 5DFC AC52 F825 AFEC 58DA -----BEGIN PGP SIGNATURE----- Version: PGP Personal Privacy 6.5.8 iQA/AwUBPBRg/qxS+CWv7FjaEQKZEgCdHNZ4Ama8XUCgHLibFgeEmgis0KQAn2z7 uK8dYA2hddFZs2KdmFYtJbxI =kPEm -----END PGP SIGNATURE----- XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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