Re: need advice about fixing up my new vimpact-mode, a Vim emulation mode based on viper-mode

[Jason Spiro]

Hi Michael, thanks for replying.

A new development: After sending out this email, Alessandro mailed me
privately about his own vim emulation code. I will send it to you
privately and also to whoever wants. It is public domain license; I
hope to rename the code and post it on EmacsWiki.

But my questions below still apply :-)

2007/2/19, Michael Kifer <kifer@cs.sunysb.edu> wrote:
[snip]
> "Jason Spiro" <jasonspiro4@gmail.com> writes:
...
> > http://www.jspiro.com/files/sw/vimpact-mode/vimpact-mode-0.0.1.el
> ...
> I think it is not acceptable to use the same prefix as some other package
> unless your package can be logically considered an extension of that other
> package. Even then it might be better to use a different prefix.

Even though it can be confusing for users that a mode which is based
on another mode has 2 different prefixes? :-)

> Yes. In fact, why can't it be just another viper keymap?

Because I think users will contribute more changes if the official
source sits on the EmacsWiki. It's simply easier to make changes. And
easier to roll back bad changes. :-)

Emacs is cool in that it's the only app I know of where many plugins
are editable text sitting on a wiki.

> Eventually maybe. I haven't used vim extensively for a long time, but
> what kind of essential functionality are you planning to add?

A few examples:

* Point movement features, gg
* Scrolling features, zt zb zz
* Search for word features, * #
* Tags support, C-] and C-t
* Undo/redo, u C-r
* Window manipulation, C-wC-w, C-wo, C-wc
* Expand abbreviation, C-n
* Visual mode commands, v, o, O, d, y, c
* split, vsplit, bdelete, bn

> Here is an algorithm to measure the time:
>
> 1. Start by implementing exactly 1/2 of the vimpact-mode functionality.
> 2. Carefully measure the time it took you to do this.
> 3. Multiply that amount by 2 (that is number "two").
> 4. Add 20% to the result to cover various eventualities.
>
> :-)

haha

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