Disconnect the 'books' subdir since it breaks the release build.
Please fix it before re-enabling it.
> faq
/usr/local/bin/jade -V html-manifest -ioutput.html -c /home/src/doc/ru_RU.KOI8-R/books/faq/../../../share/sgml/catalog -c /usr/local/share/sgml/docbook/dsssl/modular/catalog -c /usr/local/share/sgml/docbook/catalog -c /usr/local/share/sgml/jade/catalog -d /home/src/doc/ru_RU.KOI8-R/books/faq/../../../share/sgml/freebsd.dsl -t sgml /home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:5532:5:E: document type does not allow element "PARA" here; missing one of "FOOTNOTE", "MSGTEXT", "CAUTION", "IMPORTANT", "NOTE", "TIP", "WARNING", "BLOCKQUOTE", "INFORMALEXAMPLE" start-tag
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:5602:5:E: document type does not allow element "PARA" here; missing one of "FOOTNOTE", "MSGTEXT", "CAUTION", "IMPORTANT", "NOTE", "TIP", "WARNING", "BLOCKQUOTE", "INFORMALEXAMPLE" start-tag
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:5606:8:E: end tag for "PARA" omitted, but OMITTAG NO was specified
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:5528:0: start tag was here
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:7092:78:E: character data is not allowed here
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:55:22:E: unexpected element name: QUESTION
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:79:12:E: unexpected element name: QUESTION
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:104:12:E: unexpected element name: QUESTION
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:141:12:E: unexpected element name: QUESTION
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:167:12:E: unexpected element name: QUESTION
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:230:12:E: unexpected element name: QUESTION
/usr/local/bin/jade:/home/src/doc/ru_RU.KOI8-R/books/faq/book.sgml:282:12:E: unexpected element name: QUESTION
[LOTS MORE]