<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" xmlns:pxi="http://www.daisy.org/ns/pipeline/xproc/internal" type="pxi:css-to-ssml" version="1.0" exclude-inline-prefixes="#all"> <p:input port="source" sequence="true" primary="true"/> <p:output port="result" sequence="true" primary="true"/> <p:for-each> <p:xslt> <p:input port="parameters"> <p:empty/> </p:input> <p:input port="stylesheet"> <p:document href="css-to-ssml.xsl"/> </p:input> </p:xslt> </p:for-each> </p:declare-step>