Bug 7392: Follow-up

Patch makes changes according to QA comments:
- entering an unknown format code will generate no entry in the OPAC pull down
- small change to the description of opaclayoutstylesheet system preference

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>

koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/opac.pref

@@ -132,7 +132,7 @@ OPAC:
               class: file
             - to override specified settings from the default stylesheet. Enter the filename (if the file is in the server's css directory) or a complete URL beginning with <code>http://</code> (if the file lives on a remote server). Leave blank to disable.
         -
-            - Use the CSS stylesheet [% opacthemelang %]/css/
+            - Use the CSS stylesheet in <code>.../css/</code>
             - pref: opaclayoutstylesheet
               class: file
             - on all pages in the OPAC, instead of the default (leave blank to disable).

koha-tmpl/opac-tmpl/prog/en/includes/opac-detail-sidebar.inc

@@ -52,7 +52,6 @@
                 [% CASE 'marcstd' %]<option value="utf8">MARC (Unicode/UTF-8, Standard)</option>
                 [% CASE 'mods' %]<option value="mods">MODS (XML)</option>
                 [% CASE 'ris' %]<option value="ris">RIS</option>
-                [% CASE %]<option value="[% option %]">[% option %]</option>
             [% END %]
         [% END %]
         </select>
@@ -60,4 +59,4 @@
         <input type="hidden" name="bib" value="[% biblionumber %]" />
         <input type="submit" name="save" value="Go" /></form>
     </div>
-[% END %]
+[% END %]