From cda83c490c860d6e0e54b62113f812c0db003c80 Mon Sep 17 00:00:00 2001
From: Sveinung Kvilhaugsvik <sveinung84@users.sourceforge.net>
Date: Fri, 11 Jun 2021 10:04:50 +0200
Subject: [PATCH 10/14] Metaknowledge for TerrainAlter.

See osdn #42512

---
 common/metaknowledge.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/metaknowledge.c b/common/metaknowledge.c
index 434260b318..588adc2482 100644
--- a/common/metaknowledge.c
+++ b/common/metaknowledge.c
@@ -561,6 +561,7 @@ static bool is_req_knowable(const struct player *pow_player,
   if (req->source.kind == VUT_TERRAIN
       || req->source.kind == VUT_TERRFLAG
       || req->source.kind == VUT_TERRAINCLASS
+      || req->source.kind == VUT_TERRAINALTER
       || req->source.kind == VUT_EXTRA
       || req->source.kind == VUT_EXTRAFLAG
       || req->source.kind == VUT_ROADFLAG) {
-- 
2.30.2