From 2c6f8de2cc79ec2aeade156c83611231f59cc6fd Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Fri, 26 Mar 2010 16:57:01 -0400
Subject: [PATCH] Fix for bug #0010466, fix crash in --help-module.

---
 Source/cmDocumentation.cxx | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Source/cmDocumentation.cxx b/Source/cmDocumentation.cxx
index fc2fb14f55..1dfc784615 100644
--- a/Source/cmDocumentation.cxx
+++ b/Source/cmDocumentation.cxx
@@ -1177,11 +1177,18 @@ bool cmDocumentation::PrintDocumentationSingleModule(std::ostream& os)
                                  this->CurrentArgument.c_str(),
                                  *this->AllSections["Modules"]))
       {
-      this->PrintDocumentationCommand
-        (os,  this->AllSections["Modules"]->GetEntries()[0]);
-      os <<  "\n       Defined in: ";
-      os << moduleName << "\n";
-      return true;
+      if(this->AllSections["Modules"]->GetEntries().size())
+        {
+        this->PrintDocumentationCommand
+          (os,  this->AllSections["Modules"]->GetEntries()[0]);
+        os <<  "\n       Defined in: ";
+        os << moduleName << "\n";
+        return true;
+        }
+      else
+        {
+        return false;
+        }
       }
     }