* sml-move.el (sml-(for|back)ward-sym): distinguishes between
operator "=" and syntax for definitions "d=".
* sml-defs.el (sml-indent-starters, sml-delegate): simplified.
(sml-symbol-indent): added outdentation for `fn' and generalized it to
also work for `of' and `in' and `end'.
* sml-mode.el (sml-nested-if-indent): reintroduced as well as the special
casing code for it.
(sml-indent-relative): generalize the treatment of `of', `in', `end', ...
(sml-electric-pipe): removed the slow behavior and added smarts for the
never-used type-variable arguments for function definitions.
* sml-defs.el (sml-mode-menu), sml-mode.el (sml-forms-menu): make the menu
dynamically.
* sml-mode.el (sml-form-<foo>): use skeletons.
(sml-calculate-indentation): added `with' indentation.