From f9c1dbfd672f5a846a413e939da25002865b4868 Mon Sep 17 00:00:00 2001
From: Oleg Sukhodolsky <oleg.sukhodolsky@jetbrains.com>
Date: Sat, 9 Feb 2013 12:14:20 +0400
Subject: [PATCH] Fixed AIOOBE: some property names may not have description.

---
 .../intellij/lang/regexp/RegExpDocumentationProvider.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/RegExpSupport/src/org/intellij/lang/regexp/RegExpDocumentationProvider.java b/RegExpSupport/src/org/intellij/lang/regexp/RegExpDocumentationProvider.java
index 2b570cfae0e3..a8f30b15ee13 100644
--- a/RegExpSupport/src/org/intellij/lang/regexp/RegExpDocumentationProvider.java
+++ b/RegExpSupport/src/org/intellij/lang/regexp/RegExpDocumentationProvider.java
@@ -39,10 +39,11 @@ public class RegExpDocumentationProvider extends AbstractDocumentationProvider {
         final String elementName = node.getText();
         for (String[] stringArray : RegExpPropertyImpl.PROPERTY_NAMES) {
           if (stringArray[0].equals(elementName)) {
+            final String description = stringArray.length > 1 ? stringArray[1] : stringArray[0];
             if (prop.isNegated()) {
-              return "Property block stands for characters not matching " + stringArray[1];
+              return "Property block stands for characters not matching " + description;
             } else {
-              return "Property block stands for " + "" + stringArray[1];
+              return "Property block stands for " + description;
             }
           }
         }