more things considered when you're on the brink

src/trap.c

@@ -5104,11 +5104,21 @@ boolean
 uteetering_at_seen_pit(trap)
 struct trap *trap;
 {
-    if (trap && trap->tseen && (!u.utrap || u.utraptype != TT_PIT)
-        && is_pit(trap->ttyp))
-        return TRUE;
-    else
-        return FALSE;
+    return (trap && is_pit(trap->ttyp) && trap->tseen
+            && trap->tx == u.ux && trap->ty == u.uy
+            && !(u.utrap && u.utraptype == TT_PIT));
+}
+
+/*
+ * Returns TRUE if you didn't fall through a hole or didn't
+ * release a trap door
+ */
+boolean
+uescaped_shaft(trap)
+struct trap *trap;
+{
+    return (trap && is_hole(trap->ttyp) && trap->tseen
+            && trap->tx == u.ux && trap->ty == u.uy);
 }
 
 /* Destroy a trap that emanates from the floor. */