From 2627f1684434526d47c4223478434e2ce59388be Mon Sep 17 00:00:00 2001
From: Josh Rahm <rahm@google.com>
Date: Mon, 4 Apr 2022 17:27:52 -0600
Subject: change markstate to be persistent

---
 src/Internal/Marking.hs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/Internal')

diff --git a/src/Internal/Marking.hs b/src/Internal/Marking.hs
index 89d4a0b..9bf58cd 100644
--- a/src/Internal/Marking.hs
+++ b/src/Internal/Marking.hs
@@ -76,6 +76,7 @@ data MarkState =
 
 instance ExtensionClass MarkState where
   initialValue = MarkState Map.empty def
+  extensionType = PersistentExtension
 
 changeHistory :: (History Window -> History Window) -> (MarkState -> MarkState)
 changeHistory fn ms = ms { windowHistory = fn (windowHistory ms)}
-- 
cgit