It supports not only embedding traditional languages such as Perl or Java but also XML languages such as XSLT, schemas or any other XML "code". Support for languages such as Python would probably require some adaptation since XWEB doesn't appear to care much about indentation.
Ahh yes, whitespace-as-semantics strikes again.
Using POD != Literate Programming (typically) (Score:2)
Re:Using POD != Literate Programming (typically) (Score:2)