Are you annoyed when Qemu randomly resizes its window causing all the text to be scaled and blurred? Maybe it’s just my window manager, but here is a trivial patch to disable that annoying feature:

--- sdl.c.old   2010-09-25 13:30:48.000000000 +0100
+++ sdl.c       2010-09-25 13:30:50.000000000 +0100
@@ -102,7 +102,7 @@
 
     //    printf("resizing to %d %d\n", w, h);
 
-    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL|SDL_RESIZABLE;
+    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
     if (gui_fullscreen)
         flags |= SDL_FULLSCREEN;
     if (gui_noframe)