FreeBSD web build failed on freefall.freebsd.org

[WWW pseudo-user]

install -c  -o www -g www -m 444 docbook.css /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook
install -c  -o www -g www -m 444 imagelib/callouts/1.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/2.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/3.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/4.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/5.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/6.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/7.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/8.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/9.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g www -m 444 imagelib/callouts/10.png  /c/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
/c/www/build/www/en/doc/faq -> /c/www/build/www/en/doc/en_US.ISO8859-1/books/faq
/c/www/build/www/en/doc/handbook -> /c/www/build/www/en/doc/en_US.ISO8859-1/books/handbook
/c/www/build/www/en/doc/en -> /c/www/build/www/en/doc/en_US.ISO8859-1
===> relnotes
===> relnotes/CURRENT/share/sgml
/usr/bin/perl /c/www/build/relnotes/doc/share/sgml/../../share/misc/man2hwnotes.pl -a /c/www/build/relnotes/doc/share/sgml/../../share/misc/dev.archlist.txt -o dev-auto.sgml /c/www/build/relnotes/doc/share/sgml/../../../man4/*.4 /c/www/build/relnotes/doc/share/sgml/../../../man4/man4.*/*.4
===> relnotes/CURRENT/en_US.ISO8859-1
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes/alpha
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes/amd64
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes/ia64
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes/i386
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes/pc98
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes/sparc64
===> relnotes/CURRENT/en_US.ISO8859-1/hardware
===> relnotes/CURRENT/en_US.ISO8859-1/hardware/alpha
cd /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../share/sgml && make dev-auto.sgml
`dev-auto.sgml' is up to date.
/usr/bin/env SP_ENCODING=ISO-8859-1 /usr/local/bin/jade -V nochunks -ioutput.html -d /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../share/sgml/default.dsl -ifreebsd.urls.absolute -V %generate-legalnotice-link% -V %generate-docformat-navi-link% -ioutput.html.images  -V %generate-article-toc% -ino.include.historic -D /usr/obj/c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha -c /c/www/build/doc/en_US.ISO8859-1/share/sgml/catalog -c /c/www/build/doc/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 -c /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../en_US.ISO8859-1/share/sgml/catalog -c /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../share/sgml/catalog -c /usr/local/share/sgml/catalog.ports -c /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../share/sgml/catalog-a
 uto -c /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../share/sgml/catalog-auto -t sgml /c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/article.sgml > article.html ||  (/bin/rm -f article.html && false)
/usr/local/bin/jade:/c/www/build/relnotes/doc/en_US.ISO8859-1/hardware/alpha/../../../share/sgml/dev-auto.sgml:505:19:E: character "_" invalid: only parameter literal, "CDATA", "ENDTAG", "MD", "MS", "PI", "PUBLIC", "SDATA", "STARTTAG", "SYSTEM" and parameter separators allowed
*** Error code 1

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

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

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

Stop in /c/www/build/relnotes/doc.
*** Error code 1

Stop in /c/www/build/www/en/relnotes.
*** Error code 1

Stop in /c/www/build/www/en.
     1622.42 real      1045.69 user        45.88 sys