#EMBED (define embedded source point)

#AT (insert code in an embed point)

#PRIORITY (set new embed priority level)

#ATSTART (template intialization code)

#ATEND (template reset code)

#CONTEXT (set template code generation context)

#EMPTYEMBED (generate empty embed point comments)

#POSTEMBED (generate ending embed point comments)

#PREEMBED (generate beginning embed point comments)

Template Code Section Constraints

#WHERE (define #CODE embed point availability)

#RESTRICT (define section use constraints)

#ACCEPT (section valid for use)

#REJECT (section invalid for use)