Adding note about VB4Linux (an ongoing development to build a VB

environment for Linux including a CHM creator and viewer :). Hope
they will be successful :)
Adding TODO to about.xml...


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@63194 c90b9560-bf6c-de11-be94-00142212c4b1

appendices/about.xml

@@ -1,6 +1,14 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 
+<!--
+  TODO: add manual conventions section (eg. how to read
+        function usage parts, what is fixed with, what is
+        bold, what is linked
+        
+        add some tips about combining the versions (online-
+        offline), and using "http://anymirror.php.net/funcname"
+-->
 <appendix id="moreabout">
  <title>More about this Manual</title>
 
@@ -84,10 +92,15 @@
    provides full text search, search in search results, 
    full index, and bookmarking. This format also kindly 
    integrates with many popular PHP IDEs on Windows.
-   The biggest disadvantage is that it is only
+   The biggest disadvantage is that it is currently only
    available on Windows operating systems. You also 
    need the MS Internet Explorer 4.0 or newer to access the
-   CHM version, if you are on an older Windows system
+   CHM version, if you are on an older Windows system.
+   A Visual Basic for Linux project is under the planing
+   stage, which would include the development of a CHM
+   Creator and Viewer for Linux. See their
+   <ulink url="&url.vb4linux;">sourceforge
+   page</ulink>, if you are interested in the progress.
   </para>
  </sect1>