Hi, When I try to call PARSE-SCHEMA in ACL, I get this error -- attempt to call the undefined function (SETF CXML-RNG::GRAMMAR-START) with args: #S(CXML-RNG::DEFINITION :NAME :START :COMBINE-METHOD NIL :HEAD-P NIL :REDEFINITION NIL :CHILD ...) #S(CXML-RNG::GRAMMAR :START NIL :PARENT NIL :DEFINITIONS #<EQUAL hash-table with 0 entries @ #x13904c62>). [Condition of type UNDEFINED-FUNCTION] This happens because GRAMMAR is defined after PARSE-SCHEMA in parse.lisp. Same issue with the DEFN-CHILD accessor for DEFINITION. If I move the definition of PARSE-SCHEMA to the end of the file, for example, the issue is fixed. Chaitanya