From 4b81eb508163945d561969ef0245a330b2765e6a Mon Sep 17 00:00:00 2001
From: Elvish_Hunter <elvish.hunter2010@gmail.com>
Date: Thu, 9 Aug 2018 19:57:52 +0200
Subject: [PATCH] wmllint: fixed a regex that didn't match augmentation tags

(cherry-picked from commit cc178ad4742472397685a39e93074139225767f1)
---
 data/tools/wmllint | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/data/tools/wmllint b/data/tools/wmllint
index 6120515d91c2..dff461b202b2 100755
--- a/data/tools/wmllint
+++ b/data/tools/wmllint
@@ -1719,7 +1719,9 @@ def global_sanity_check(filename, lines):
         elif "[/multiplayer]" in lines[i]:
             in_multiplayer = False
         else:
-            if re.search(r"\[[a-z]", lines[i]):
+            # the + check is needed for augmentation tags
+            # otherwise subtag_depth may become negative
+            if re.search(r"\[\+?[a-z]", lines[i]):
                 subtag_depth += 1
             if "[/" in lines[i]:
                 subtag_depth -= 1