Convert HL Dim Scales doc to doxy UG

doxygen/dox/Overview.dox

@@ -21,7 +21,7 @@ documents cover a mix of tasks, concepts, and reference, to help a specific
 <em>audience</em> succeed.
 
 \par Offline reading
-     You can <a href="https://\RELURL/v1_14/v1_14_5/hdf5-1.14.5.doxygen.zip">download</a> it as an archive for offline reading.
+     You can <a href="https://\RELURL/v1_14/v1_14_5/downloads/hdf5-1.14.5.doxygen.zip">download</a> it as an archive for offline reading.
 
 \par ToDo List
      There is plenty of <a href="./todo.html">unfinished business</a>.

doxygen/dox/UsersGuide.dox

@@ -335,6 +335,23 @@
 
 \ref sec_map
 
+\section sec_hl HDF5 High Level APIs
+\li \ref H5DO_UG
+    <ul>
+        <li> \ref sec_hldo_direct_chunk
+    </ul>
+\li \ref H5DS_UG
+    <ul>
+        <li> \ref sec_dim_scales_stand
+        <li> \ref sec_dim_scales_concept
+        <li> \ref sec_dim_scales_spec
+        <li> \ref sec_dim_scales_api
+    </ul>
+\li \ref H5IM_UG
+\li \ref H5LT_UG
+\li \ref H5TB_UG
+\li \ref H5PT_UG
+
 \ref sec_cltools
 \li \ref H5TOOL_CP_UG
 \li \ref H5TOOL_DF_UG

doxygen/dox/VOLConnGuide.dox

@@ -191,7 +191,8 @@ are for connector testing and should not be found in the wild. Values of 512 to
 connectors.
 
 As is the case with HDF5 filters, The HDF Group can assign you an official VOL connector value. Please
-contact <a href="help@hdfgroup.org">help@hdfgroup.org</a> for help with this. We currently do not register connector names, though the
+contact <a href="mailto:help@hdfgroup.org">help@hdfgroup.org</a> for help with this. We currently do not 
+register connector names, though the
 name you've chosen will appear on the registered VOL connectors page.
 
 As noted above, registered VOL connectors will be listed at:

src/H5Ppublic.h

@@ -3913,8 +3913,7 @@ H5_DLL herr_t H5Pget_mdc_image_config(hid_t plist_id, H5AC_cache_image_config_t
  *          access property list, and H5Fget_mdc_logging_status() will return
  *          the current state of the logging flags.
  *
- *          The log format is described in the
- *           <a href="https://bit.ly/2PG6fNv">Metadata Cache Logging</a> document.
+ *          The log format is described in the \ref_mdc_logging document.
  *
  * \since 1.10.0
  */