X Protocol: Match Error does not identify what failed.

Ralph Corderoy ralph at inputplus.co.uk
Tue May 28 13:41:44 PDT 2013


Some errors, e.g. Window, contain the bad resource ID but the common
Match error doesn't use any of the many spare bytes it has to give the
caller a clue what was disliked in the specified request.  I realise it
would vary per request, but some indication, e.g. the third in a
LISTofVALUE, or a mask, would be helpful.

Is there a historical reason it wasn't done like this?

Cheers, Ralph.

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