From 8471576e61eb664ab90ddfecd99edb2e4dac06fa Mon Sep 17 00:00:00 2001
From: Bytekeeper <therealdante@gmail.com>
Date: Thu, 4 May 2017 16:51:38 +0200
Subject: [PATCH] Hotfix for TomasMikula/RichTextFX#481

---
 src/main/java/org/stt/gui/jfx/text/CommandHighlighter.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/stt/gui/jfx/text/CommandHighlighter.java b/src/main/java/org/stt/gui/jfx/text/CommandHighlighter.java
index fe74e504..86ab9aa4 100644
--- a/src/main/java/org/stt/gui/jfx/text/CommandHighlighter.java
+++ b/src/main/java/org/stt/gui/jfx/text/CommandHighlighter.java
@@ -25,7 +25,9 @@ public void update() {
         EnglishCommandsLexer lexer = new EnglishCommandsLexer(input);
         TokenStream tokenStream = new CommonTokenStream(lexer);
         EnglishCommandsParser parser = new EnglishCommandsParser(tokenStream);
-        textArea.clearStyle(0, textArea.getLength());
+        if (textArea.getLength() > 0) {
+            textArea.clearStyle(0, textArea.getLength());
+        }
         parser.command().accept(visitor);
     }