From a460e5220b4563e94471c80e5dd360e4f02ff566 Mon Sep 17 00:00:00 2001
From: Jakub Valtar <jakub.valtar@gmail.com>
Date: Thu, 22 Oct 2015 16:07:50 +0200
Subject: [PATCH] Fix AIOOBE

---
 app/src/processing/app/syntax/JEditTextArea.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/processing/app/syntax/JEditTextArea.java b/app/src/processing/app/syntax/JEditTextArea.java
index a6e294793..79726a878 100644
--- a/app/src/processing/app/syntax/JEditTextArea.java
+++ b/app/src/processing/app/syntax/JEditTextArea.java
@@ -1343,7 +1343,8 @@ public class JEditTextArea extends JComponent
     int wordStart = 0;
     int wordEnd = lineText.length();
 
-    char ch = lineText.charAt(Math.max(0,offset - 1));
+    int charPos = PApplet.constrain(offset - 1, 0, lineText.length() - 1);
+    char ch = lineText.charAt(charPos);
 
     CharacterKinds thisWord = CharacterKind(ch,noWordSep);