Keith Packard c75fee79ac Document how to correctly wrap screen procedures ...

This adds a large comment to include/scrnintstr.h which should serve
to document the correct way to wrap any screen procedure, with a
particular focus on how to dynamically add/remove wrapping layers
while the server is running.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

2014-07-17 11:16:52 -07:00

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