Expand all manual examples in print mode

docs/public/css/base.scss

@@ -97,7 +97,14 @@ h3 code {
     margin-bottom: 20px;
 }
 
-.manual-example {
+@media print {
+    .manual-example {
+        display: block !important;
+        height: auto !important;
+    }
+}
+
+.manual-example table {
     border-top: 1px solid #E5E5E5;
     td {
         white-space: pre-wrap;

docs/public/js/manual-search.js

@@ -9,7 +9,7 @@ $(function(){
 });
 // add "Run" button to execute examples on jqplay.org
 $(function() {
-  $.each($('table.manual-example'), function(index, value) {
+  $.each($('.manual-example table'), function(index, value) {
     $value = $(value)
     var j = $value.find('tr:nth-child(2) td:first').text();
     var q = $value.find('.jqprogram').text().replace(/^jq /, '').replace(/^'(.+)'$/, '$1');