[svn-r4219] Purpose:

Linking to new "Freespace Management" section from appropriate places.
Description:
    Added links, with explanatory paragraph or footnote,
    from Chunking.html, Filters.html, and H5Gunlink in RM_H5G.html
    to "Freespace Management" in Performance.html.
Platforms tested:
    IE 5

doc/html/Chunking.html

@@ -58,6 +58,7 @@
       <li><a href="#S3">3. Cache Efficiency</a>
       <li><a href="#S4">4. Fragmentation</a>
       <li><a href="#S5">5. File Storage Overhead</a>
+      <li><a href="#S6">6. Chunk Compression</a>
     </ul>
 
     <h2><a name="S1">1. Introduction</a></h2>
@@ -215,7 +216,22 @@
       <code>H5Pset_istore_k()</code> (increasing the out degree actually
       increases file overhead while decreasing the number of nodes).
 
-    <hr>
+
+    <h2><a name="S6">6. Chunk Compression</a></h2>
+
+    <p>Dataset chunks can be compressed through the use of filters.
+     See the chapter &ldquo;<a href="Filters.html">Filters in HDF5</a>.&rdquo;
+
+    <p>Reading and rewriting compressed chunked data can result in holes 
+     in an HDF5 file.  In time, enough such holes can increase the 
+     file size enough to impair application or library performance 
+     when working with that file.  See
+     &ldquo;<a href="Performance.html#Freespace">Freespace Management</a>&rdquo;
+     in the chapter
+     &ldquo;<a href="Performance.html">Performance Analysis and Issues</a>.&rdquo;
+
+
+<hr>
 
     <p><a name="fn1">Footnote 1:</a> Parallel versions of the library
       can access individual bytes of a chunk when the underlying file
@@ -224,7 +240,6 @@
     <p><a name="fn2">Footnote 2:</a> The raw data chunk cache was
       added before the second alpha release.
 
-
 <hr>
 <center>
 <table border=0 width=98%>
@@ -273,7 +288,7 @@
 
 <!-- Created: Tue Oct 20 12:38:40 EDT 1998 -->
 <!-- hhmts start -->
-Last modified:  16 February 2001
+Last modified:  11 July 2001
 <!-- hhmts end -->
 
 <br>