Changes

<cd:constant type="yes">expands the xml reference to actual content for title and bookmark (\xmlatt {xml:name::4}{title} → First section), see TUC file. To expand userdata also use \normalexpanded{\startsection[title=\xmlatt{#1}{title}]} instead of expansion=yes. \normalexpanded{} and are not in conflict, so you can use both.</cd:constant> <cd:constant default="yes" type="no">no expansion, xml reference is used</cd:constant> <cd:constant type="xml">?</cd:constant>

<cd:constant type="yes">use the current local hsize; flush side float first</cd:constant> <cd:constant default="yes" type="no">use the current global hsize</cd:constant> <cd:constant type="float">use the current local hsize; do not flush side floats</cd:constant>