error in doc make

[Randy Bush]

/usr/doc# make

...

/usr/local/bin/jade:/usr/doc/en_US.ISO8859-1/articles/5-roadmap/../../../share/sgml/freebsd.dsl:189:39:E: reference to undefined variable "normalize"
/usr/local/bin/jade:/usr/doc/en_US.ISO8859-1/articles/5-roadmap/../../../share/sgml/freebsd.dsl:188:51:E: reference to undefined variable "normalize"
/usr/local/bin/jade:/usr/doc/en_US.ISO8859-1/articles/5-roadmap/../../../share/sgml/freebsd.dsl:187:51:E: reference to undefined variable "normalize"
*** Error code 1

randy