Should pending-del be enabled by default? (was Re: [VETO] old ws --packages, define-behavior)

[Ben Wing]

> XEmacs already behaves differently under different toolkits 
> because the toolkits impose different looks and feels.  Does 
> this make these differences random?  It is in this sense that 
> I suggested setting the default based on toolkit.  It's not 
> that uses care about the implementation, but the toolkit 
> defines that 'foo' is a Window app, 'bar' is an KDE app and 
> 'baz' is a MacOS X app and the users adjust their 
> expectations accordingly.
> 
> Since we're all in violent agreement for enabling it under 
> Windows, the question really is what's the value for enabling 
> it under Xt?  The Xt version will never support many modern 
> features UI (these are only supported when XEmacs is built 
> against modern toolkits), so why enable this one when it 
> breaks the expectations of established users of that toolkit?

But Xt does not define a look-and-feel; it's the widget set that does this.
By default, XEmacs in its "lucid widgets" emulates the Motif look-and-feel,
and Motif calls for pending-del behavior.

By this logic, the only possible case for non-pending-del behavior is with
Athena.