A parsing problem?

This is "make html" show when start parsing. But the manual seems to be OK. The problem is very recently, first time occured previous week. --EXAMPLE: SP_ENCODING=ISO-8859-2 ../phpdoc-tools/jade/jade.exe -D . -wno-idref -c ../phpdoc-tools/jade/catalog -c ../phpdoc-tools/iso-entities/catalog -c ../phpdoc-tools/dsssl/docbook/catalog -d dsssl/html.dsl -V use-output-dir -t sgml ./dtds/dbxml-4.1.2/phpdocxml.dcl manual.xml d:\ro-php\phpdoc-tools\jade\jade.exe:dsssl/./html-common.dsl:15:30:E: element "TITLE" undefined d:\ro-php\phpdoc-tools\jade\jade.exe:dsssl/./html-common.dsl:15:54:E: element "QUESTION" undefined d:\ro-php\phpdoc-tools\jade\jade.exe:dsssl/html.dsl:30:26:E: end tag for "QUESTION" omitted, but its declaration does not permit this d:\ro-php\phpdoc-tools\jade\jade.exe:dsssl/./html-common.dsl:15:45: start tag was here d:\ro-php\phpdoc-tools\jade\jade.exe:dsssl/html.dsl:30:26:E: end tag for "TITLE" omitted, but its declaration does not permit this d:\ro-php\phpdoc-tools\jade\jade.exe:dsssl/./html-common.dsl:15:24: start tag was here