From 16f76e69fe28ca126eaef6913aa593a655e09d79 Mon Sep 17 00:00:00 2001
From: tyeen <ptyeen@gmail.com>
Date: Thu, 26 Mar 2015 00:24:08 +0900
Subject: [PATCH] Check for nil pointer.

---
 Backlight/AAABacklight.m | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Backlight/AAABacklight.m b/Backlight/AAABacklight.m
index 181da90..cd37ae4 100755
--- a/Backlight/AAABacklight.m
+++ b/Backlight/AAABacklight.m
@@ -307,7 +307,8 @@ - (void)colorPanelWillClose:(NSNotification *)notification
 - (void)updateBacklightViewWithTextView:(NSTextView *)textView
 {
     // Before changing the textView's instance, remove the old one's highlight.
-    if (self.textView != textView &&
+    if (self.textView != nil &&
+        self.textView != textView &&
         self.currentMode == AAABacklightModeUnderneath &&
         [self.textView.layoutManager temporaryAttribute:NSBackgroundColorAttributeName
                                        atCharacterIndex:self.currentLineRange.location