Re: How run a command JUST on region highlighted by MOUSE?!?!

[Kevin Rodgers <ihs_4664@yahoo.com>]

Christian Seberino wrote:


> What does the (interactive "r") do??? I really ONLY ever invoke my
> functions
> with key-combos that are hard wired to start the functions....e.g.
> C-ac, C-z, etc....
> Does this mean I can omit all this (interactive ..) stuff from .emacs
> everywhere???


No, the interactive form allows the function to be bound to a key and
specifies what values its arguments (if any) get when it is invoked
interactively (i.e. via a key binding or `M-x').


> It appears that beg and end got automagically set when I dragged mouse
> over some region.


Exactly!


> It also appears that although py-comment-region did not need it's 2
> args
> without narrow-to-region part... it does now when I add the
> narrow-to-region
> part and that was the main bug.


That doesn't make sense to me.


> Thank goodness it works but there is a lot going on I don't understand
> here
> about how arguments get defined and (interactive..) function.  Any
> help would
> be greatly appreciated.


Everything you need to know is availabel via its doc string (`C-h v interactive')

and in the Emacs Lisp manual.

-- 
Kevin Rodgers