programlisting language="..."

<http://docbook.org/tdg/en/html/programlisting.html>
says that `programlisting' has a `language' attribute,
but it appears to be missing in the DTD:

nsgmls:impbody.xml:104:57:E: there is no attribute "language"

(this is 4.2)

-- 
Sam Steingold (http://www.podval.org/~sds) running w2k
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In every non-trivial program there is at least one bug.