Pass the X dpi to Xephyr. Default to a minimum of 96, some distros appear to be broken.

sugar-emulator

@@ -36,6 +36,7 @@ else:
 from sugar import env
 from sugar import util
 from sugar.emulator import Emulator
+import _sugar
 
 if len(sys.argv) == 1:
     program = 'sugar-shell'
@@ -51,7 +52,9 @@ else:
     width = 1200
     height = 900
 
-emulator = Emulator(width, height, fullscreen)
+dpi = min(_sugar.get_screen_dpi(), 96)
+
+emulator = Emulator(width, height, fullscreen, dpi)
 emulator.start()
 
 if sourcedir: