最新版の変更点は次のとおり。:)
$ diff -r bsfilter.1.40 bsfilter.1.40fix
1210,1211c1210,1211
< # remove salad after body
< if (str =~ Regexp::compile('\A(.*)</body>[^<>]*?</html>[^<>]*?\z', Regexp::MULTILINE | Regexp::IGNORECASE, 'n'))
---
> # remove salad after body or html
> if (str =~ Regexp::compile('\A(.*)</(body|html)>[^<>]*?\z', Regexp::MULTILINE | Regexp::IGNORECASE, 'n'))