Re: [Gzz] New PEG: prefix_argument--benja

[Benja Fallenstein]

Tuomas Lukka wrote:

> On Sat, Nov 16, 2002 at 08:30:38PM +0100, Benja Fallenstein wrote:
>  
>
> > I'm inclined to think that having to switch the mark set (so that the 
> > cells aren't the *currently* marked ones any more) before pressing 
> > 'g'/'-', for using the other window as a prefix, is better.
> >    
>
> Ok, that could work if it's really easy to cycle to an empty mark set.

Then let's make it so. ;-) I think that makes sense anyway: you want to 
be able to easily mark some cells, then quickly mark some cells in 
another set; that also needs cycling to an empty set to be easy.

I think we should have a circular list of marks, *with an empty one 
always at the end*, so if you'd cycle to the empty set and mark a cell, 
a new empty set would appear *right after it* on the list. So unless 
you've been cycling backward to some older mark set, the new empty set 
is always a single step away.

As for key bindings, how about Ctrl-M to move forward and Alt-M to move 
backward through the mark ring?

> > Can you suggest a key binding for indicating a 'marked cells' prefix 
> > argument, in your proposal?
> >    
>
> No, since we don't have all proposed key bindings in one place ;)
>
> Maybe we should have pegboard.py generate a table of where a given key
> has a suggested binding, from tables in PEGs like
>
> Proposed bindings
> ------------------
>
> a
>         (in X mode) lblah blah

Sounds good, but I wouldn't want to program it right now :-)
- Benja