> - When polymorphed into a flying creature and being grabbed

> over the water, then polymorphed into a non-flying creature
> leaves you standing on the water (you can kill the creature
> too and you're still on the water when you shouldn't be).
> - When floating from levitation over water and being held and
> removing levitation, you will fall into the water and drown or
> crawl back onto land. If you crawl back onto land you're no
> longer being held.
> The first situation seems to be a bug, the second a possible
> exploit. Both situations don't seem very correct, if you're
> being held it seems you should not fall into the water/lava
> until you are no longer being held. [patch contributed] It
> will keep the hero held up on over the water until released if
> his size is smaller than or equal to the size of the monster
> holding him. [<email deleted>, patch
> supplied]
>

A recent patch ensured that you ended up in the water when
polymorphed.

This patch is less ambitious than <Someone>'s
contribution, where he actually had the monster hold you up.
Perhaps that can be tackled for the trunk later.

src/trap.c

@@ -2301,6 +2301,15 @@ long hmask, emask;     /* might cancel timeout */
 	}
 	/* check for falling into pool - added by GAN 10/20/86 */
 	if(!Flying) {
+		if (!u.uswallow && u.ustuck) {
+			if (sticks(youmonst.data))
+				You("aren't able to maintain your hold on %s.",
+					mon_nam(u.ustuck));
+			else
+				pline("Startled, %s can no longer hold you!",
+					mon_nam(u.ustuck));
+			u.ustuck = 0;
+		}
 		/* kludge alert:
 		 * drown() and lava_effects() print various messages almost
 		 * every time they're called which conflict with the "fall