minor formatting

Author: jmckenna

en/cgi/openlayers.txt

@@ -13,9 +13,10 @@ only, and not for production or deploying full-featured sites.  You
 can preview, test, and navigate a mapfile by accessing a special URL
 which will return a built-in OpenLayers template.
 
-.. note:: This feature was discussed in
-    `RFC 63 <https://mapserver.org/development/rfc/ms-rfc-63.html>`_
-    and in the ticket https://github.com/MapServer/MapServer/issues/3549
+.. note:: 
+   This feature was discussed in
+   `RFC 63 <https://mapserver.org/development/rfc/ms-rfc-63.html>`_
+   and in ticket `#3549 <https://github.com/MapServer/MapServer/issues/3549>`_
 
 Up to the MapServer 8.4 release the OpenLayers Viewer was based on `OpenLayers 2 <https://openlayers.org/two/>`_.
 As of MapServer 8.6-dev the OpenLayers viewer was updated to work with `OpenLayers 10.5+ <https://openlayers.org/>`_.
@@ -59,8 +60,9 @@ In this case you will need to set your :ref:`IMAGEPATH <mapfile-web-imagepath>`
 
 **That's it!**
 
-If you don't have a live MapServer install to play with, you can also try the
-`MapServer demo <https://demo.mapserver.org/cgi-bin/wms?mode=browse&template=openlayers&layer=continents&layer=country_bounds>`__.
+.. tip::
+   If you don't have a live MapServer install to play with, you can also try the
+   `MapServer demo <https://demo.mapserver.org/cgi-bin/wms?mode=browse&template=openlayers&layer=continents&layer=country_bounds>`_.
 
 Opening the OpenLayers viewer in the form of a WMS request
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -104,8 +106,9 @@ Here is a quick breakdown of the interesting parts of that URL:
     BBOX=-90,-180,90,180
     STYLES=
 
-If you don't have a live MapServer install to play with, you try the
-`MapServer demo <https://demo.mapserver.org/cgi-bin/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-90,-180,90,180&CRS=EPSG:4326&WIDTH=953&HEIGHT=480&LAYERS=bluemarble,continents,country_bounds,cities&STYLES=&FORMAT=application/openlayers&TRANSPARENT=true`__.>`__.
+.. tip::
+   If you don't have a live MapServer install to play with, you can also try the
+   `MapServer demo in the form of a WMS request <https://demo.mapserver.org/cgi-bin/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-90,-180,90,180&CRS=EPSG:4326&WIDTH=953&HEIGHT=480&LAYERS=bluemarble,continents,country_bounds,cities&STYLES=&FORMAT=application/openlayers&TRANSPARENT=true>`_.
 
 Customizing settings
 ~~~~~~~~~~~~~~~~~~~~