implemented the todo for single comments, strings no longer escape the c...

...omment face (however, an open string quote with no closing quote will stringify the rest of the code until it is closed, don't think there is a way to get around this, since strings are at the syntax level of font highlighting); changed some of the regexps to use [:space:] character classes; changed the formatting of the lists and symbols to make it compatible with the regexps, in particular the make-local-variable line --- eval of font-lock-defaults should return a list with regexps and values, etc., before it returned the variable elm-font-lock-highlighting, not sure how it was font-locking; emacs lisp is weird