fix an error when the string being examined is shorter than the test length

Author: AngledLuffa

src/edu/stanford/nlp/pipeline/QuoteAnnotator.java

@@ -681,12 +681,16 @@ private static boolean isSingleQuoteEnd(String text, int i) {
   private static boolean isDoubleQuoteEnd(String text, int i) {
     if (i == text.length() - 1) return true;
     String next = text.substring(i + 1, i + 2);
-    if (i == text.length() - 2 && isWhitespaceOrPunct(next)) {
-      return true;
+    if (i == text.length() - 2) {
+      if (isWhitespaceOrPunct(next)) {
+        return true;
+      } else {
+        return false;
+      }
     }
     String nextNext = text.substring(i + 2, i + 3);
-    return ((isWhitespaceOrPunct(next) &&
-           !isSingleQuote(next)) || (isSingleQuote(next) && isWhitespaceOrPunct(nextNext)));
+    return ((isWhitespaceOrPunct(next) && !isSingleQuote(next)) ||
+            (isSingleQuote(next) && isWhitespaceOrPunct(nextNext)));
   }
 
   public static boolean isWhitespaceOrPunct(String c) {