People-friendly opcodes

[Julien Cristau]

On Fri, Mar 19, 2010 at 11:24:25 -0700, Jeremy Huddleston wrote:

> How does one ensure that X Errors report human readable text versions of major / minor opcodes?
> 
> ie, how do I make sure that something like this is reported:
> 
> Major opcode of failed request:  145 (MY-EXTENSION)
> Minor opcode of failed request:  8 (MyExtDoSomething           )
> 
> rather than:
> 
> Major opcode of failed request:  145
> Minor opcode of failed request:  8
> 
AFAIK Xlib's default error handler looks these up in
$(datadir)/X11/XErrorDB.  Others might replace that with less useful
ones, though (hi, gtk).

Cheers,
Julien