$src-ids
This variable has a complex definition. See stylesheet for definiton.
No variables, keys, functions, or named templates depend upon this xsl:variable.
Relies upon $head .
$head
ʞ tok-via-ref')
Looks for elements matching tan:tok
tan:tok
No variables, keys, functions, or named templates depend upon this xsl:key.
Does not rely upon global variables, keys, functions, or templates.