XSL FO formatting capabilities in XSL 1.0 are approximately the union
of:
HTML + CSS capabilities
most high quality print output capabilities including internationalization
features
Not included are complex page layouts (e.g., magazine and newspaper
layout), complex layout-driven formatting (e.g., copyfitting and complex floats),
and looseleaf pagination (change page production)
Performs a roughly textual include of the referenced stylesheet
<xsl:import>
The importing stylesheet "extends" the imported stylesheet
Controlling Output Serialization
XSLT is a tree-to-tree transformation. It isn't specifically the job
of the XSLT processor to write out a text representation (serialization) of
the tree. However, XSLT does allow the stylesheet author to suggest the desired
serialization procedure:
The selection of namespace aliases is controlled by <xsl:namespace-alias>.