I’ve been meaning to blog this for a while having come across the problem on a project last year. When including conditional comments in a page rendered using XSL templates the comment has to be structured in a way that doesn’t break the stylesheet. While this sounds simple it took a few attempts to get a working solution.
<xsl:comment>[if lte IE 6]<![CDATA[>]]>
<link rel="stylesheet" type="text/css" href="styles.css" />
<![CDATA[<![endif]]]></xsl:comment>
The comment must be structured inside an <xsl:comment> block which, when rendered to the browser, becomes a standard html comment and the greater than and less than brackets on the stylesheet link itself must be entered using their respective character entity codes “>” and “<“.
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