re: WIDL: Implement support for explicit user handles

[Dan Kegel]

Eric wrote:
> This patch implements support for explicit user handles.

Say, could you add a test for that?  I think Dan H. usually
adds tests to rpcrt4 whenever he adds a feature to widl.
cf.
http://source.winehq.org/git/?p=wine.git&a=search&st=author&s=ds...
- Dan