blindfold (from r.g.r.n)

Someone suggested that if your vision is only blocked by a blindfold and it's
the blindfold that glows, you should be able to see it.

doc/fixes34.4

@@ -19,6 +19,7 @@ avoid a message about an invisible monster looking much better
 player polymorphed as a xorn could not pick up items in pits
 don't display "turns to flee" message for a mimicing mimic
 dipping acid in a fountain could cause an explosion but not destroy the potion
+if your blindfold glows and you're not otherwise blinded, you can see it
 
 
 Platform- and/or Interface-Specific Fixes