The _NET_WM_ICON protocol doesn't require the icon to be set before the window is shown.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403423

include/SDL_video.h

@@ -596,8 +596,6 @@ extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_WindowID windowID);
  * \brief Set the icon of the window.
  *
  * \param icon The icon for the window
- *
- * FIXME: The icon needs to be set before the window is first shown.  Should some icon representation be part of the window creation data?
  */
 extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Surface * icon);