C-? is the new help prefix

Reaching <f1> was already hard.  Requiring additional Fn hold down on
Mac keyboards made it even harder.
Minor modes for Editsrv major mode

IF we're using edit server the chances are high it's either and email
for a ticket or some mail-like input the a form.  Wrap at 80 columns and
spell check my Engrish.
Display line numbers only when using `goto-line'