- fixed: Draining health from a victim must check for damage reduction before awarding the health to the player. This affected Heretic's gauntlets, A_Saw and A_CustomPunch.

- added a DONTDRAIN flag that prevents the above attacks from draining any health at all.

src/thingdef/thingdef_data.cpp

@@ -182,6 +182,7 @@ static FFlagDef ActorFlags[]=
 	DEFINE_FLAG(MF4, NOSKIN, AActor, flags4),
 	DEFINE_FLAG(MF4, BOSSDEATH, AActor, flags4),
 
+	DEFINE_FLAG(MF5, DONTDRAIN, AActor, flags5),
 	DEFINE_FLAG(MF5, NODROPOFF, AActor, flags5),
 	DEFINE_FLAG(MF5, COUNTSECRET, AActor, flags5),
 	DEFINE_FLAG(MF5, NODAMAGE, AActor, flags5),