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Subject: RE: [xsl] how to match <br/> tag From: "Andrew Welch" <awelch@xxxxxxxxxxxxxxx> Date: Thu, 27 Jun 2002 17:10:47 +0100 |
> In this case, xhtml:br or html:{BR | Br | bR | br} is an empty element, it > cannot have any attributes or descendant entities as <br></br> does, which > has one (empty) text node. Im not sure this is correct - <br></br> is the same as <br/> and therefore has no children, not even a text() node - can anyone confirm? cheers andrew -----Original Message----- From: David Carlisle [mailto:davidc@xxxxxxxxx] Sent: 27 June 2002 16:46 To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: Re: [xsl] how to match <br/> tag > "<br/> is a short form of <br></br>" > > But, be advised that thinking any element with no descendant elements can be > expressed this way, becase that's not true ... especially in the case of the > xhtml:br and possibly the html:{BR | Br | bR | br} element. > > Being able to express an element in the abbreviated manner is totally > dependant on the intent of the given elements schema. > > In this case, xhtml:br or html:{BR | Br | bR | br} is an empty element, it > cannot have any attributes or descendant entities as <br></br> does, which > has one (empty) text node. > > So, with respect to xhtml or html, "br" cannot be of the form <br></br>, it > must be (ignoring casing/namespace) <br />. > > Because, <br></br> will not validate against the xhtml schema ... it may be > ok against the highly tolerant html schema--but, I'm not sure. > > -Jeff No this is wrong. <xxx/> is in _all_ circumstances identical to <xxx></xxx> in XML irrespective of DTD or schema declarations. This equivalence is clearly explicit in teh XML specification. Some browsers can not cope with <br></br> but that is because the do not parse XML and only tolerate it because they try to parse the XML as HTML they silently ignore parse errors. No DTD or schema validator (or XSLT processor) can distinguish <br/> from <br></br>. David _____________________________________________________________________ This message has been checked for all known viruses by Star Internet delivered through the MessageLabs Virus Scanning Service. For further information visit http://www.star.net.uk/stats.asp or alternatively call Star Internet for details on the Virus Scanning Service. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.350 / Virus Database: 196 - Release Date: 17/04/2002 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.350 / Virus Database: 196 - Release Date: 17/04/2002 XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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