Compare <parameter> tags listed in synopsis of SolBook man page with those in the body

param-check.csh

mkdir /tmp/params
foreach f ( on/en/xman2/*xml on/en/xman3c/*xml )
   echo "cat //synopsis/parameter" | xmllint --loaddtd --nonet --path /usr/share/xml/xsolbook \
        --path /usr/share/xml/xsolbook/entities --path /usr/share/xml/xsolbook/entities/en --shell $f \
        | perl -n -e 'print $1, "\n" if m{<parameter>(.*)</parameter>}' | sort -u > /tmp/params/${f:t}-syn
   echo "cat //parameter" | xmllint --loaddtd --nonet --path /usr/share/xml/xsolbook --path \
        /usr/share/xml/xsolbook/entities --path /usr/share/xml/xsolbook/entities/en --shell $f \
        | perl -n -e 'print $1, "\n" if m{<parameter>(.*)</parameter>}' | sort -u > /tmp/params/${f:t}-all
   diff -u /tmp/params/${f:t}-syn /tmp/params/${f:t}-all >> /tmp/params/diffs
end