XSL vs. HTML Formatting Objects

XSL is a W3C Recommendation XSL or CSS is essential for XML presentation and XSL far more powerful and complicated than CSS.
XSL permits :
• element reordering

• selection of source elements

• text generation

• processing source elements multiple times

• Transformation is independent of the target result type

• Most people are more familiar with HTML so many of the examples in this tutorial use HTML

• The XSL implementation in IE5 is incomplete. The examples in this tutorial will not work in IE5

• The techniques apply equally well to XSL Formatting Objects or other tag sets

XSLT is a tree-to-tree transformation process

• Serialization may vary depending on the selected output method

• There is a distinction between HTML element names and HTML

XSL uses XML syntax, i.e., XSL is an XML vocabulary

• it uses the namespace http://www.w3.org/1999/XSL/Transform, usually with prefix xsl:

• rather than rules of CSS like
CD { … }
• composer { … }

XSL uses template rules like <xsl:template match=”CD”>

<xsl:template match=”composer”>


• unlike CSSXSL rules do not just apply styles to elements

XSL is a language for transforming an input document to an output document

• given an XSL rule like

<xsl:template match=”composer”>


• the value of the match attribute (e.g., composer) is a pattern for matching part of the input document

• the contents of the template element (e.g., …) is a sequence of instructions for constructing part of the output document

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