DOCBOOK-APPS: [DSSSL] warning from openjade: undeclared use of feature"simple-page"

Using openjade to process, a new warning in Norm's DSSSL Docbook
Stylesheets appears:

> openjade -t sgml -d stylesheet.dsl\#html -ihtml -V%root-filename%=install -V%html-ext%=.html install.sgml

openjade:/usr/lib/sgml/stylesheet/dsssl/docbook/nwalsh/html/dblink.dsl:406:5:E: undeclared use of feature "simple-page"

That line of the stylesheet is:

    (current-node-page-number-sosofo)))

openjade: 1.4devel1
DSSSL stylesheets: 1.62

-- 
.....Adam Di .....<URL:http://www.onshored.com/>