1 files changed, 5 insertions, 1 deletions
diff --git a/javax/swing/text/GapContent.java b/javax/swing/text/GapContent.java
index f5ab7f2b2..28d1d6ee0 100644
--- a/javax/swing/text/GapContent.java
+++ b/javax/swing/text/GapContent.java
@@ -347,8 +347,12 @@ public class GapContent
     int length = length();
     int strLen = str.length();
 
+    if (where < 0)
+      throw new BadLocationException("The where argument cannot be smaller"
+                                     + " than the zero", where);
+
     if (where >= length)
-      throw new BadLocationException("the where argument cannot be greater"
+      throw new BadLocationException("The where argument cannot be greater"
           + " than the content length", where);
 
     replace(where, 0, str.toCharArray(), strLen);