Don't display description on studs.php if the field is blank

tpl/part/poll_info.tpl

@@ -72,18 +72,20 @@
                 </div>
                 {/if}
             </div>
-            <div class="form-group col-md-8" id="description-form">
-                <label class="control-label">{__('Generic', 'Description')}{if $admin && !$expired} <button class="btn btn-link btn-sm btn-edit" title="{__('PollInfo', 'Edit the description')}"><span class="glyphicon glyphicon-pencil"></span><span class="sr-only">{__('Generic', 'Edit')}</span></button>{/if}</label>
-                <pre class="form-control-static well poll-description">{$poll->description|html}</pre>
-                {if $admin && !$expired}
-                    <div class="hidden js-desc text-right">
-                        <label class="sr-only" for="newdescription">{__('Generic', 'Description')}</label>
-                        <textarea class="form-control" id="newdescription" name="description" rows="2" cols="40">{$poll->description|html}</textarea>
-                        <button type="submit" id="btn-new-desc" name="update_poll_info" value="description" class="btn btn-sm btn-success" title="{__('PollInfo', 'Save the description')}"><span class="glyphicon glyphicon-ok"></span><span class="sr-only">{__('Generic', 'Save')}</span></button>
-                        <button class="btn btn-default btn-sm btn-cancel" title="{__('PollInfo', 'Cancel the description edit')}"><span class="glyphicon glyphicon-remove"></span><span class="sr-only">{__('Generic', 'Cancel')}</span></button>
-                    </div>
-                {/if}
-            </div>
+            {if $admin || !empty(preg_replace('/[ \r\n]/', '', $poll->description))}
+                <div class="form-group col-md-8" id="description-form">
+                    <label class="control-label">{__('Generic', 'Description')}{if $admin && !$expired} <button class="btn btn-link btn-sm btn-edit" title="{__('PollInfo', 'Edit the description')}"><span class="glyphicon glyphicon-pencil"></span><span class="sr-only">{__('Generic', 'Edit')}</span></button>{/if}</label>
+                    <pre class="form-control-static well poll-description">{$poll->description|html}</pre>
+                    {if $admin && !$expired}
+                        <div class="hidden js-desc text-right">
+                            <label class="sr-only" for="newdescription">{__('Generic', 'Description')}</label>
+                            <textarea class="form-control" id="newdescription" name="description" rows="2" cols="40">{$poll->description|html}</textarea>
+                            <button type="submit" id="btn-new-desc" name="update_poll_info" value="description" class="btn btn-sm btn-success" title="{__('PollInfo', 'Save the description')}"><span class="glyphicon glyphicon-ok"></span><span class="sr-only">{__('Generic', 'Save')}</span></button>
+                            <button class="btn btn-default btn-sm btn-cancel" title="{__('PollInfo', 'Cancel the description edit')}"><span class="glyphicon glyphicon-remove"></span><span class="sr-only">{__('Generic', 'Cancel')}</span></button>
+                        </div>
+                    {/if}
+                </div>
+            {/if}
         </div>
         <div class="row">
         </div>