Re: syntax for ?= in sh-mode

[Stefan]

> + selects b + c
> * selects (b + c) * 5
> - selects (b + c) * 5 - 3
> and = selects all.

I've been meaning to add precedence annotations to syntax-tables (so you can
get precedence-aware sexp movement and/or indentation, like I did in my
sml-mode code).

One of the problems with such a change (and other similar changes that try
to give more detailed semantics to syntax-table elements) is that it
increases the number of cases where the syntax of a given element should be
different depending on context.  E.g. currently * in C is always
punctuation, but if you add precedence, you'll want to use different levels
depending on whether it's a multiplication or a dereference operation.


        Stefan