ignore case for pd META tags

pd/nw/dialog_search.html

@@ -48,9 +48,9 @@ function add_doc_to_index(filename, data) {
         desc;
         // We use [\s\S] to match across multiple lines...
         keywords = big_line
-            .match(/#X text [0-9]+ [0-9]+ KEYWORDS ([\s\S]*?);/),
+            .match(/#X text [0-9]+ [0-9]+ KEYWORDS ([\s\S]*?);/i),
         desc = big_line
-            .match(/#X text [0-9]+ [0-9]+ DESCRIPTION ([\s\S]*?);/);
+            .match(/#X text [0-9]+ [0-9]+ DESCRIPTION ([\s\S]*?);/i);
         keywords = keywords && keywords.length > 1 ? keywords[1].trim() : null;
         desc = desc && desc.length > 1 ? desc[1].trim() : null;
         if (desc) {