.Ft -f xhtml -filter "perl -e 'print qq{«3»\en}'" ""
.Ft -f xhtml -filter "perl -e 'print qq{«3»\en}'"
.Ft -f xhtml -filter "perl -pe 's/a/b/'" "«blabla» "
.If -as-is -filter "perl -pe 's/a/b/'" t/data/includes/text_to_filter.txt
.Bf -f latex -filter "perl -pe 's/b//g'"
LaTeX blabla
more blabla
.Ef
