fromTree (Tree "Fraction" [n,d] _) = [Command "fraction" $ [(Chars (show n)), (Chars (show d))]]
fromTree (Tree "WS" _ _) = [WS]
fromTree (Tree "Quotes" [x] _) = [Quotes $ fromTree x]
fromTree (Tree "Fraction" [n,d] _) = [Command "fraction" $ [(Chars (show n)), (Chars (show d))]]
fromTree (Tree "WS" _ _) = [WS]
fromTree (Tree "Quotes" [x] _) = [Quotes $ fromTree x]