Boost.Range improved push_front algorithm unit test. Updated documentation.

[SVN r61145]

doc/html/range/library_headers.html

@@ -3,7 +3,7 @@
 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
 <title>Library Headers</title>
 <link rel="stylesheet" href="../../../../../doc/html/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
+<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
 <link rel="home" href="../index.html" title="Chapter&#160;1.&#160;Range 2.0">
 <link rel="up" href="../index.html" title="Chapter&#160;1.&#160;Range 2.0">
 <link rel="prev" href="style_guide.html" title="Terminology and style guidelines">
@@ -58,7 +58,9 @@
             </td>
 <td>
               <p>
-                everything
+                everything from Boost.Range version 1 (Boost versions 1.42 and below).
+                Includes the core range functions and metafunctinos, but excludes
+                Range Adaptors and Range Algorithms.
               </p>
             </td>
 <td>