m -rf html
mkdir html
jade -t sgml -d ./website.dsl\#html ./manual.sgml
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:8:19:E: "X21B6" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:9:19:E: "X21B7" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:10:17:E: "X21D3" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:11:18:E: "X21CA" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:12:18:E: "X21C3" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:13:18:E: "X21C2" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:14:18:E: "X21DA" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:15:17:E: "X219E" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:16:18:E: "X21C7" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:17:19:E: "X21A9" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent:18:19:E: "X21AB" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.


etc 
and

ade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:123:19:E: "X017E" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:124:19:E: "X017D" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:125:17:E: "X017C" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:126:17:E: "X017B" is not a function name
make[2]: *** [html/index.html] Error 1
make[2]: Leaving directory `/var/tmp/portage/dev-libs/libusb-0.1.12-r1/work/libusb-0.1.12/doc'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/dev-libs/libusb-0.1.12-r1/work/libusb-0.1.12'
make: *** [all] Error 2
 * 
 * ERROR: dev-libs/libusb-0.1.12-r1 failed.
 * Call stack:
 *                 ebuild.sh, line 1696:  Called dyn_compile
 *                 ebuild.sh, line 1034:  Called qa_call 'src_compile'
 *                 ebuild.sh, line   44:  Called src_compile
 *   libusb-0.1.12-r1.ebuild, line   47:  Called die
 * The specific snippet of code:
 *   	emake || die "emake failed"
 *  The die message:
 *   emake failed
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/log/portage/dev-libs:libusb-0.1.12-r1:20071105-211710.log'.
 *