Tourists gain experience by going to new dungeon levels

doc/fixes3-7-0.txt

@@ -2730,7 +2730,8 @@ enlightenment/attribute disclosure for saving-grace: include a line for have
 	"X " for explore mode, or "D " for debug mode if any of the games
 	shown in its menu weren't saved during normal play; if they're all
 	normal play, the prefix is suppressed
-tourists gain experience by seeing new types of creatures up close
+tourists gain experience by seeing new types of creatures up close, and
+	going to new dungeon levels
 
 
 Platform- and/or Interface-Specific New Features

src/do.c

@@ -1946,6 +1946,11 @@ goto_level(
 
         (void) describe_level(dloc, 2);
         livelog_printf(major ? LL_ACHIEVE : LL_DEBUG, "entered %s", dloc);
+
+        if (Role_if(PM_TOURIST)) {
+            more_experienced(level_difficulty(), 0);
+            newexplevel();
+        }
     }
 
     assign_level(&u.uz0, &u.uz); /* reset u.uz0 */