rm -f version.ent
echo "<!entity version \"$(DEB_VERSION)\">" >> version.ent
echo "<!entity date \"$(DATE)\">" >> version.ent
nsgmls -gues developers-reference.sgml # check SGML syntax
debiandoc2html developers-reference.sgml
debiandoc2text developers-reference.sgml
rm -f version.ent
echo "<!entity version \"$(DEB_VERSION)\">" >> version.ent
echo "<!entity date \"$(DATE)\">" >> version.ent
nsgmls -gues developers-reference.sgml # check SGML syntax
debiandoc2html developers-reference.sgml
debiandoc2text developers-reference.sgml