[SDL] Const correctness for SDL video

[Simon Roby]

On 2/14/07, Patrick Mohr <kc7zzv at gmail.com> wrote:
> Originally my goal was to change SDL's draw functions to allow the inputted
> source to be const.  I quickly found out that project would take far more
> knowledge than I had, but I did manage to make all of the source rectangles
> const.  I'm done with 1.2, but 1.3 isn't finished.  Can anyone think of any
> problems that would be caused by making the source rectangles const?
> Assuming that it does compile.

Won't that break binary compatibility in SDL 1.2?
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- SR