daisy/pipeline-modules-common — pull request #75 by rom1mouret (2014-12-18 15:25:39+00:00)
Title: Strings are roman numerals only if all their characters are roman

Not sure about XSLT2.0, but in XSLT1.0 `(false(), true(), false()) = true()` evals to true(). I suppose this is not what we expect from `px:numeric-is-roman`?