From 018390c8ee92a5671b54c9e5bf13b930cff8a90b Mon Sep 17 00:00:00 2001
From: Ian Storm Taylor <ian@ianstormtaylor.com>
Date: Wed, 10 Aug 2016 14:58:50 -0700
Subject: [PATCH] fix cursor mark preservation logic

---
 lib/models/transform.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/models/transform.js b/lib/models/transform.js
index eee92c2e0..92c3385e9 100644
--- a/lib/models/transform.js
+++ b/lib/models/transform.js
@@ -198,8 +198,8 @@ class Transform extends new Record(DEFAULT_PROPERTIES) {
     // Apply each of the steps in the transform, arriving at a new state.
     state = steps.reduce((memo, step) => this.applyStep(memo, step), state)
 
-    // If the selection has changed, clear any existing cursor marks.
-    if (state.selection != selection) {
+    // If there are cursor marks and they haven't changed, remove them.
+    if (state.cursorMarks && state.cursorMarks == cursorMarks) {
       state = state.merge({
         cursorMarks: null
       })