[Xcb] Proposal: Link fields to enums in the protocol XML files

[Peter Harris]

Barton C Massey wrote:
> In message <49624DA3.2050606 at opentext.com> you wrote:
>> The two options I see are: (a) Allow an enum to contain other enums, or
>> (b) duplicate by hand the contents of ButtonMask and ModMask.
>>
>> What are your thoughts?
> 
> Just allow multiple occurrences of the mask reference in the
> field values?  Or am I missing something here?

XML doesn't allow multiple attributes with the same name.

We could try (c) change everything to <field><mask/></field> in order to
get multiple masks, but that feels ugly too.

Peter Harris
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