diff --git a/doc/html/RM_H5D.html b/doc/html/RM_H5D.html
index 1473dc36ec..2e27f94d3d 100644
--- a/doc/html/RM_H5D.html
+++ b/doc/html/RM_H5D.html
@@ -132,9 +132,9 @@ facilitate moving easily between them.</i>
 <dt><strong>Signature:</strong>
     <dd><em>hid_t </em><code>H5Dcreate</code>(<em>hid_t </em><code>loc_id</code>,
         <em>const char *</em><code>name</code>,
-        <em>hid_t</em><code>type_id</code>,
-        <em>hid_t</em><code>space_id</code>,
-        <em>hid_t</em><code>create_plist_id</code>
+        <em>hid_t</em> <code>type_id</code>,
+        <em>hid_t</em> <code>space_id</code>,
+        <em>hid_t</em> <code>create_plist_id</code>
     )
 <dt><strong>Purpose:</strong>
     <dd>Creates a dataset at the specified location.
@@ -643,7 +643,7 @@ facilitate moving easily between them.</i>
 <dl>
 <dt><strong>Name:</strong> <a name="Dataset-Close">H5Dclose</a>
 <dt><strong>Signature:</strong>
-    <dd><em>hid_t </em><code>H5Dclose</code>(<em>hid_t </em><code>dataset_id</code>
+    <dd><em>herr_t </em><code>H5Dclose</code>(<em>hid_t </em><code>dataset_id</code>
     )
 <dt><strong>Purpose:</strong>
     <dd>Closes the specified dataset.
diff --git a/doc/html/RM_H5E.html b/doc/html/RM_H5E.html
index c0b1e661de..7b632a764d 100644
--- a/doc/html/RM_H5E.html
+++ b/doc/html/RM_H5E.html
@@ -244,6 +244,30 @@ errors within the H5E package.
         regardless of stack traversal direction), an error stack entry, 
         and the <code>client_data</code> pointer passed to 
         <code>H5E_print</code>.
+        The <code>H5E_walk_t</code> prototype is as follows:
+        <dir>
+        <p>
+        <code>typedef</code> <em>herr_t</em> <code>(*H5E_walk_t)(</code><em>int</em> <code>n,</code> 
+            <em>H5E_error_t *</em><code>err_desc,</code> 
+            <em>void *</em><code>client_data)</code>
+        <p>
+        where the parameters have the following meanings:
+            <dl>
+            <dt><em>int</em> <code>n</code>
+                <dd>Indexed position of the error in the stack.
+            <dt><em>H5E_error_t *</em><code>err_desc</code>
+                <dd>Pointer to a data structure describing the error.
+                    <em>(This structure is currently described only in the
+                        source code file </em><code>hdf5/src/H5Epublic.h</code><em>.  
+                        That file also contains the definitive list of major 
+                        and minor error codes.  That information will 
+                        eventually be presented as an appendix to this 
+                        <cite>Reference Manual</cite>.)</em>
+            <dt><em>void *</em><code>client_data</code>
+                <dd>Pointer to client data in the format expected by 
+                    the user-defined function.
+            </dl>
+        </dir>
         <p>
         <code>H5Ewalk</code> can fail if there are problems initializing 
         the library.
diff --git a/doc/html/RM_H5F.html b/doc/html/RM_H5F.html
index 27843b8517..be8107c5a5 100644
--- a/doc/html/RM_H5F.html
+++ b/doc/html/RM_H5F.html
@@ -429,9 +429,19 @@ facilitate moving easily between them.</i>
         <dd>Terminates access to an HDF5 file.  
 <dt><strong>Description:</strong>
         <dd><code>H5Fclose</code> terminates access to an HDF5 file.  
-            If this is the last file identifier open for a file 
-            and if access identifiers are still in use, 
-            this function will fail.
+            <p>
+            If this is the last file identifier open for the file 
+            and no other access identifier is open (e.g., a dataset 
+            identifier, group identifier, or shared datatype identifier),
+            the file will be fully closed and access will end.
+            <p>
+            If this is the last file identifier open for the file 
+            and other access identifiers are still in use, 
+            those access identifiers remain valid until separately 
+            closed and can still be used.
+            (But the file identifier is no longer valid and cannot be used.)
+            Once all of the remaining access identifiers are closed,
+            the file will be fully closed and access will end.
 <dt><strong>Parameters:</strong>
     <dl>
         <dt><em>hid_t</em> <code>file_id</code>
diff --git a/doc/html/RM_H5T.html b/doc/html/RM_H5T.html
index f49c490817..8d42d14caa 100644
--- a/doc/html/RM_H5T.html
+++ b/doc/html/RM_H5T.html
@@ -461,7 +461,7 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl
         <dt><em>hid_t</em> <code>dst_id</code>
             <dd>IN: Identifier for the destination datatype.
         <dt><em>H5T_cdata_t **</em><code>pcdata</code>
-            <dd>IN: Pointer to type conversion data.
+            <dd>OUT: Pointer to type conversion data.
     </dl>
 <dt><strong>Returns:</strong>
     <dd>Returns a pointer to a suitable conversion function if successful.
@@ -2246,16 +2246,18 @@ zero.
         for a datatype conversion path.  
         <p>
         The parameter <code>pers</code> indicates whether a conversion function 
-        is <code>HARD</code> or <code>SOFT</code>.
+        is <em>hard</em> (<code>H5T_PERS_HARD</code>) 
+        or <em>soft</em> (<code>H5T_PERS_SOFT</code>).
         <p>
         A conversion path can have only one hard function.
-        When <code>pers</code> is <code>HARD</code>, <code>func</code> replaces 
-        any previous hard function.
-        If  <code>pers</code> is <code>HARD</code> and <code>func</code> 
-        is the null pointer, then any hard function registered for this 
-        path is removed.  
+        When <code>pers</code> is <code>H5T_PERS_HARD</code>, 
+        <code>func</code> replaces any previous hard function.
+        If  <code>pers</code> is <code>H5T_PERS_HARD</code> and 
+        <code>func</code> is the null pointer, then any hard function 
+        registered for this path is removed.  
         <p>
-        When <code>pers</code> is <code>SOFT</code>, <code>H5Tregister</code> 
+        When <code>pers</code> is <code>H5T_PERS_SOFT</code>, 
+        <code>H5Tregister</code> 
         adds the function to the end of the master soft list and replaces 
         the soft function in all applicable existing conversion paths. 
         Soft functions are used when determining which conversion function 
@@ -2275,14 +2277,16 @@ zero.
                     <em>hid_t </em><code>dst_id</code>, 
                     <em>H5T_cdata_t *</em><code>cdata</code>,
                     <em>size_t </em><code>nelmts</code>, 
+                    <em>size_t </em><code>stride</code>, 
                     <em>void *</em><code>buf</code>, 
-                    <em>void *</em><code>bkg</code>);
+                    <em>void *</em><code>bkg</code>,
+                    <em>hid_t </em><code>dset_xfer_plist</code>);
         </dl>
 <dt><strong>Parameters:</strong>
     <dl>
         <dt><em>H5T_pers_t</em> <code>pers</code>
-            <dd><code>HARD</code> for hard conversion functions;
-                <code>SOFT</code> for soft conversion functions.
+            <dd><code>H5T_PERS_HARD</code> for hard conversion functions;
+                <code>H5T_PERS_SOFT</code> for soft conversion functions.
         <dt><em>const char *</em> <code>name</code>
             <dd>Name displayed in diagnostic output.
         <dt><em>hid_t</em> <code>src_id</code>
@@ -2682,7 +2686,7 @@ H5T&nbsp;&nbsp;
 <a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a> 
 
 <br>
-Last modified:  20 October 1999
+Last modified:  7 April 2000
 
 </body>
 </html>