Fix a long outstanding bug where the first element of a numeric array was never displayed

action.php

@@ -169,7 +169,10 @@ class action_plugin_metaeditor extends DokuWiki_Action_Plugin {
     foreach($meta as $k => $v)
     {
       $a = array();
-      $a['text'] = $k;
+      if(is_numeric($k))
+        $a['text'] = strval($k);
+      else
+        $a['text'] = $k;
       if(is_array($v))
       {
         $a['children'] = $this->parseMetaTree($v);

plugin.info.txt

 base	metaeditor
 author  Andreas Boehler
 email   dev@aboehler.at
-date    2016-05-15
+date    2019-01-25
 name    Meta Data Editor
 desc    Edit metadata of pages
 url     http://www.dokuwiki.org/plugin:metaeditor