From 5267a50c7e28bbf189a6dec9936d4e0fdc8a318d Mon Sep 17 00:00:00 2001
From: Patric Mueller <bhaak@gmx.net>
Date: Sun, 5 Jan 2020 16:10:50 +0100
Subject: [PATCH] Move enhance_tip into context and don't show tip if #enhance
 has been used before

Breaks save and bones compatibility.
---
 include/context.h    | 1 +
 include/patchlevel.h | 2 +-
 src/weapon.c         | 8 +++++---
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/include/context.h b/include/context.h
index 10034a4fb..4e8b01f62 100644
--- a/include/context.h
+++ b/include/context.h
@@ -132,6 +132,7 @@ struct context_info {
     boolean botl;        /* partially redo status line */
     boolean botlx;       /* print an entirely new bottom line */
     boolean door_opened; /* set to true if door was opened during test_move */
+    boolean enhance_tip; /* player is informed about #enhance */
     struct dig_info digging;
     struct victual_info victual;
     struct tin_info tin;
diff --git a/include/patchlevel.h b/include/patchlevel.h
index 5d8ccb777..e84ab9d72 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -14,7 +14,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL 8
+#define EDITLEVEL 9
 
 #define COPYRIGHT_BANNER_A "NetHack, Copyright 1985-2020"
 #define COPYRIGHT_BANNER_B \
diff --git a/src/weapon.c b/src/weapon.c
index 3d446daf5..e61a7438f 100644
--- a/src/weapon.c
+++ b/src/weapon.c
@@ -69,17 +69,16 @@ static void
 give_may_advance_msg(skill)
 int skill;
 {
-    static boolean got_enhance_tip = FALSE;
     You_feel("more confident in your %sskills.",
              (skill == P_NONE) ? ""
                  : (skill <= P_LAST_WEAPON) ? "weapon "
                      : (skill <= P_LAST_SPELL) ? "spell casting "
                          : "fighting ");
 
-    if (!got_enhance_tip) {
+    if (!g.context.enhance_tip) {
+        g.context.enhance_tip = TRUE;
         pline("(Use the #enhance command to advance them.)");
     }
-    got_enhance_tip = TRUE;
 }
 
 /* weapon's skill category name for use as generalized description of weapon;
@@ -1168,6 +1167,9 @@ enhance_weapon_skill()
     winid win;
     boolean speedy = FALSE;
 
+    /* player knows about #enhance, don't show tip anymore */
+    g.context.enhance_tip = TRUE;
+
     if (wizard && yn("Advance skills without practice?") == 'y')
         speedy = TRUE;