generated an alphabetic index based on comments content rebuilt the web

* doc/APIchunk*.html doc/parsedecl.py doc/api.xsl: generated
  an alphabetic index based on comments content
* doc/*: rebuilt the web site with the new references
Daniel
diff --git a/doc/bugs.html b/doc/bugs.html
index 54010be..293e965 100644
--- a/doc/bugs.html
+++ b/doc/bugs.html
@@ -61,6 +61,7 @@
 <table width="100%" border="0" cellspacing="1" cellpadding="3">
 <tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>API Indexes</b></center></td></tr>
 <tr><td bgcolor="#fffacd"><ul>
+<li><a href="APIchunk0.html">Alphabetic</a></li>
 <li><a href="APIconstructors.html">Constructors</a></li>
 <li><a href="APIfunctions.html">Functions/Types</a></li>
 <li><a href="APIfiles.html">Modules</a></li>