user32: Implement BroadcastSystemMessage, try 5.1

[Vitaliy Margolen]

Alexandre Julliard wrote:
> Vitaliy Margolen <wine-devel at kievinfo.com> writes:
> 
>> I remember sending the patch for this exact thing a while back, which you of 
>> course refused under the same pretense - showing a real life app that 
>> depends on it. So if tests are not a real life app that shows a difference 
>> between Wine and windows - then why do we bother with Wine at all? At least 
>> should change the moto to "might run some apps with loads of problems and 
>> never be 100% compatible".
>>
>> One for sure will find an app that in one way or another depends on 
>> undocumented windows behavior. So if a test can be written to show a 
>> difference between Wine and windows. Then this difference should be fixed in 
>> Wine.
> 
> It all comes down to where we want to spend our efforts. It's very easy
> to write a million last error tests, and then we'd have to spend months
> fixing Wine by adding save/restore of last error all over the place, for
> no benefit at all. Our time is much better spent fixing things that
> actually matter, and not making the code uglier for things that don't.
> 
But that's the thing. How can you definitively say that there isn't a 
program that affected by this? And this sort of difference might affect 
number of programs in a ways that really hard to catch.

Vitaliy.