Subject: Re: [xsl] xsl:variables From: Jeni Tennison <mail@xxxxxxxxxxxxxxxx> Date: Sat, 19 May 2001 09:10:03 +0100 |
Hi Joerg, > Why doesn't the escaping of special characters work any longer if I > store the stuff in an xsl:variable? Or how can I solve the problem? Disabling output escaping is supposed to be used to create non-XML output. When you create a text node (using xsl:text or xsl:value-of) and you set the variable disable-output-escaping="yes" then the processor attaches some kind of flag to that text node to indicate that it shouldn't use output escaping when it serialises it to a file. Now, when you set a variable to a result tree fragment (i.e. you use its content) then you're actually setting it to a little tree. So with the samples you gave, the tree has this text node in it. When you use xsl:value-of to get the value of the result tree fragment, you're asking the processor to convert this into a string. This is actually an error (see http://www.w3.org/TR/xslt#disable-output-escaping) and if the processor recovers from it, then it has to ignore the disable output escaping. You could try *copying* the content of the variable instead, as that way you'll be getting a copy of the text node that it holds, which may mean that the disable-output-escaping flag is still there. However, as with all uses of disabling output escaping, you should only be using this if there's absolutely no alternative. In your third example at least, it's very unclear why you're doing: <xsl:variable name="display2"> <xsl:text disable-output-escaping="yes"> <![CDATA[ <div align="center"> <img src="http://www.mulberrytech.com/image/sberry2.gif"/> </div> ]]> </xsl:text> </xsl:variable> <xsl:value-of select="$display2"/> When the content of the variable is well-formed XML (or would be if you didn't escape it using a CDATA section). I think you want to do: <xsl:variable name="display2"> <div align="center"> <img src="http://www.mulberrytech.com/image/sberry2.gif" /> </div> </xsl:variable> <xsl:copy-of select="$display2" /> I hope that helps, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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