From 76073dd28c46f59c247f09846f43bd92c016f8af Mon Sep 17 00:00:00 2001
From: Sven G. Brönstrup
Date: Mon, 20 Dec 2021 00:42:50 +0100
Subject: Added extended script action zone properties

---
 lib/Properties.hs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/Properties.hs b/lib/Properties.hs
index 551c502..75b69ae 100644
--- a/lib/Properties.hs
+++ b/lib/Properties.hs
@@ -499,6 +499,17 @@ checkTileLayerProperty p@(Property name _value) = case name of
       isString p
       requireProperty "bellVariable"
 
+    -- | these properties are used by the extended script to allow action zones¶
+    "bindVariable" -> do
+      isString p
+      requireProperty "zone"
+    "enterValue" -> do
+      isString p
+      requireProperty "bindVariable"
+    "leaveValue" -> do
+      isString p
+      requireProperty "bindVariable"
+
 
     -- name on tile layer unsupported
     "name" -> isUnsupported
-- 
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