FreeBSD web build failed on freefall.freebsd.org

[WWW pseudo-user]

===> doc/articles/ipsec-must
===> doc/articles/laptop
===> doc/articles/java-tomcat
===> doc/articles/mh
===> doc/articles/multi-os
===> doc/articles/new-users
===> doc/articles/pam
===> doc/articles/pr-guidelines
===> doc/articles/problem-reports
===> doc/articles/programming-tools
===> doc/articles/pxe
===> doc/articles/releng
===> doc/articles/releng-packages
===> doc/articles/serial-uart
===> doc/articles/solid-state
===> doc/articles/storage-devices
===> doc/articles/vinum
===> doc/articles/vm-design
===> doc/articles/zip-drive
===> doc/books
===> doc/books/arch-handbook
/usr/bin/perl /usr/local/share/sgml/docbook/dsssl/modular/bin/collateindex.pl -N -o index.sgml
/usr/local/bin/jade -V html-index -ioutput.html -d /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../share/sgml/default.dsl -V %generate-legalnotice-link% -V %generate-docformat-navi-link% -ioutput.html.images  -i chap.index -D /usr/obj/c/www/build/doc/en_US.ISO8859-1/books/arch-handbook -c /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../en_US.ISO8859-1/share/sgml/catalog -c /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../share/sgml/catalog -c /usr/local/share/sgml/docbook/dsssl/modular/catalog -c /usr/local/share/sgml/iso8879/catalog -c /usr/local/share/sgml/docbook/catalog -c /usr/local/share/sgml/jade/catalog -t sgml /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/book.sgml > /dev/null
/usr/bin/perl /usr/local/share/sgml/docbook/dsssl/modular/bin/collateindex.pl -g -o index.sgml html-split.index
Processing html-split.index...
0 entries loaded...
0 entries ignored...
Done.
/bin/rm -f docbook.css
/bin/cat /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../share/misc/docbook.css > docbook.css
/usr/local/bin/jade -V html-manifest -ioutput.html -d /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../share/sgml/default.dsl -V %generate-legalnotice-link% -V %generate-docformat-navi-link% -ioutput.html.images  -i chap.index -D /usr/obj/c/www/build/doc/en_US.ISO8859-1/books/arch-handbook -c /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../en_US.ISO8859-1/share/sgml/catalog -c /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/../../../share/sgml/catalog -c /usr/local/share/sgml/docbook/dsssl/modular/catalog -c /usr/local/share/sgml/iso8879/catalog -c /usr/local/share/sgml/docbook/catalog -c /usr/local/share/sgml/jade/catalog -t sgml /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/book.sgml
/usr/local/bin/jade:/c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/index.sgml:22:12:E: end tag for element "INDEXENTRY" which is not open
/usr/local/bin/jade:/c/www/build/doc/en_US.ISO8859-1/books/arch-handbook/index.sgml:24:10:E: end tag for element "INDEXDIV" which is not open
*** Error code 1

Stop in /c/www/build/doc/en_US.ISO8859-1/books/arch-handbook.
*** Error code 1

Stop in /c/www/build/doc/en_US.ISO8859-1/books.
*** Error code 1

Stop in /c/www/build/doc/en_US.ISO8859-1.
*** Error code 1

Stop in /c/www/build/www/en/doc.
*** Error code 1 (ignored)
*** Error code 1

Stop in /c/www/build/www/en.
      797.25 real       523.16 user        16.65 sys