wrapLatex "hwex" name str             = printf "\\begin{hwex}[%s]\n%s\n\\end{hwex}" name str
wrapLatex "hwex" name str             = printf "\\begin{hwex}[%s]\n%s\n\\end{hwex}" name str
wrapLatex "hwex" name str             = printf "\\begin{hwex}[%s]\n%s\n\\end{hwex}" name str