asciidoc-0.1: test/asciidoctor/stem/asciimath.test

:stem: asciimath
[stem]
++++
sqrt(4) = 2
++++
>>>
Document
  { docMeta =
      Meta
        { docTitle = []
        , docTitleAttributes = Nothing
        , docAuthors = []
        , docRevision = Nothing
        , docAttributes =
            fromList [ ( "sectids" , "" ) , ( "stem" , "asciimath" ) ]
        }
  , docBlocks =
      [ Block mempty Nothing (MathBlock Nothing "sqrt(4) = 2\n") ]
  }