[svn-r1524]

RM_H5R.html
   H5Rget_region
	Removed "Not yet implemented" note.
	Corrected syntax to agree with description in H5R.c
	Added mention of valid 'ref_type' value; deleted reference to User's Guide.
   H5Rdereference
	Added list of valid 'ref_type' values; deleted reference to User's Guide.

RM_H5T.html
   H5Tget_class
	Added H5T_ENUM and H5T_REFERENCE to list of return values.
   H5Topen
	Corrected description of 'loc_id'; clarified description of 'name'.
   H5Tinsert
	Corrected 'offset' datatype.

RM_H5P.html
Datasets.html
   Fixed minor formatting errors.
   H5Pset_layout
   H5Pget_layout
	Added comment that H5D_COMPACT layout type is not yet implemented.
   H5Pset_external
	Added note regarding setting 'size' to H5F_UNLIMITED.
   H5Pset_family                                           (RM_H5P.html only)
	Removed extra function entry ('original version').
   H5Pget_split                                            (RM_H5P.html only)
	Corrected pair of typos in 'meta_ext' description.

doc/html/RM_H5T.html

@@ -162,9 +162,9 @@ in the <cite>HDF5 User's Guide</cite> for further information, including a compl
 <dt><strong>Parameters:</strong>
     <dl>
         <dt><em>hid_t</em> <code>loc_id</code>
-            <dd>A file, group, or datatype identifier.
+            <dd>A file or group identifier.
         <dt><em>const char *</em> <code>name</code>
-            <dd>A datatype name.
+            <dd>A datatype name, defined within the file or group identified by <code>loc_id</code>.
     </dl>
 <dt><strong>Returns:</strong>
     <dd>Returns a named datatype identifier if successful;
@@ -427,9 +427,16 @@ H5Tget_overflow ()
 <dt><strong>Description:</strong>
     <dd><code>H5Tcreate</code> creates a new dataype of the specified 
         class with the specified number of bytes.  
-        Currently, only the <code>H5T_COMPOUND</code> datatype class is 
-        supported with this function.  Use <code>H5Tcopy</code>
-        to create integer or floating-point datatypes.  
+        <p>
+        The following datatype classes are supported with this function:
+        <ul>
+            <li><code>H5T_COMPOUND</code> 
+            <li><code>H5T_OPAQUE</code> 
+            <li><code>H5T_ENUM</code> 
+        </ul>
+        <p>
+        Use <code>H5Tcopy</code> to create integer or floating-point datatypes. 
+        <p>
         The datatype identifier returned from this function should be 
         released with <code>H5Tclose</code> or resource leaks will result.
 <dt><strong>Parameters:</strong>
@@ -603,6 +610,8 @@ H5Tget_overflow ()
             <li><code>H5T_BITFIELD</code> (<code>4</code>)
             <li><code>H5T_OPAQUE</code> (<code>5</code>)
             <li><code>H5T_COMPOUND</code> (<code>6</code>)
+            <li><code>H5T_ENUM</code> (<code>7</code>)
+            <li><code>H5T_REFERENCE</code> (<code>8</code>)
         </ul>
 <dt><strong>Parameters:</strong>
     <dl>
@@ -1556,7 +1565,7 @@ zero.
 <dt><strong>Signature:</strong>
     <dd><em>herr_t</em> <code>H5Tinsert</code>(<em>hid_t </em><code>type_id</code>,
         <em>const char *</em> <code>name</code>,
-        <em>off_t</em> <code>offset</code>,
+        <em>size_t</em> <code>offset</code>,
         <em>hid_t</em> <code>field_id</code>
     )
 <dt><strong>Purpose:</strong>
@@ -1578,7 +1587,7 @@ zero.
             <dd>Identifier of compound datatype to modify.
         <dt><em>const char *</em> <code>name</code>
             <dd>Name of the field to insert.
-        <dt><em>off_t</em> <code>offset</code>
+        <dt><em>size_t</em> <code>offset</code>
             <dd>Offset in memory structure of the field to insert.
         <dt><em>hid_t</em> <code>field_id</code>
             <dd>Datatype identifier of the field to insert.