Re: syntax for ?= in sh-mode

[Stefan Monnier]

>     Here is an example with indentation:
>           foo
>           + bar
>             * baz
>           + toto
>             / titi

>     And in sml-mode, if point is just before the first + and you hit C-M-t
>     you end up with

>           bar
>             * baz
>           + foo
>           + toto
>             / titi

> I guess that's an improvement, but I am not sure it is
> a very useful one.  I would encourage people to write these
> things with parentheses for increased clarity anyway,
> and with the parentheses, Emacs will indent correctly now.

Well, but it applies at many more places than just arithmetic.
E.g. the `,' that separates arguments in so many languages can be treated
similarly, so that C-M-t properly transposes two arguments.
Placing parentheses there would be excruciating.


        Stefan