Potential fix for gold detection redraw issues

dwarf.diff

diff --git a/src/effects.c b/src/effects.c
index 9c09734..58e64df 100644
--- a/src/effects.c
+++ b/src/effects.c
@@ -1228,6 +1228,7 @@ bool effect_handler_DETECT_GOLD(effect_handler_context_t *context)
                        if (square_hasgoldvein(cave, y, x)) {
                                /* Memorize */
                                square_memorize(cave, y, x);
+                               square_light_spot(cave, y, x);
 
                                /* Detect */
                                gold_buried = true;
@@ -1243,11 +1244,8 @@ bool effect_handler_DETECT_GOLD(effect_handler_context_t *context)
                        msg("You sense no buried treasure.");
        }
 
-       /* Fully update the visuals */
-       player->upkeep->update |= (PU_FORGET_VIEW | PU_UPDATE_VIEW | PU_MONSTERS);
-
        /* Redraw whole map, monster list */
-       player->upkeep->redraw |= (PR_MAP | PR_MONLIST | PR_ITEMLIST);
+       player->upkeep->redraw |= (PR_MONLIST | PR_ITEMLIST);
 
        context->ident = true;
        return true;