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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Wah? Weird... Clarifying the Schema
 I'm a recent member to the XSLT scene, so don't completely understand how the schema works to a full extend (i'm learning... slowly (grin)). Anyway, recently i've been playing around with some code that increments through each book in a catalog, and displays each book category from the catalog in a drop down box. To do this I decided to sort the catalog, incrementally go through each book node, then call a conditional statement that would only fire off if the previous node had a category that was different. The weirdest thing happens here. Firstly, it has come to my attention that the 'preceding-sibling' axis is not effected by an 'xsl:sort' element. This is proved when removing the 'xsl:sort' element completely. The weird thing is that the code WORKS!!! So, i'm hoping I can get some clarification on this.... Why is the code working? <xsl:for-each select="catalog/book"> <xsl:sort select="category" data-type="text" order="ascending" /> <xsl:if test="not(preceding-sibling::book/category = category)"> <xsl:choose> <xsl:when test="category = $category"> <option value="{category}" selected="true"><xsl:value-of select="category" /></option> </xsl:when> <xsl:otherwise> <option value="{category}"><xsl:value-of select="category" /></option> </xsl:otherwise> </xsl:choose> </xsl:if> </xsl:for-each> 
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