Re: `key-binding' and XEmacs-style events

[David Kastrup]

"Stuart D. Herring" <address@hidden> writes:

>>> We're talking about going the other way -- supporting (key-binding
>>> [(?a)])
>>> in Emacs
>>
>> Yes, but we don't have to fix it.
>>
>> If you want to write portable code, simply use the GNU Emacs format [?a],
>> as this is also supported by XEmacs.
>
> What I am actually interested in can be seen at
> http://www.emacswiki.org/cgi-bin/wiki/unbound.el: this code
> mechanically manipulates keystrokes.  By far the easiest way to do
> this is to generate XEmacs lists with modifiers and base events,
> rather than having to generate the symbol 'C-end and the low-ASCII
> ?\C-a and the high-bit-set ?\C-` with separate rules.  Then the
> natural way of representing an unmodified key is a list containing 0
> modifiers and the base event, but that fails (for `key-binding'
> only; `lookup-key' and `define-key' accept it) because it doesn't
> happen to begin with a symbol.

Is it documented anywhere that this a valid way to create a key
sequence with modifiers?

Should we document it?

Should we change EVENT_HAS_PARAMETERS itself maybe?  Or EVENTP?

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum