1. Changing the title and icon

tutorial/tutorial1.xxe_gui:

<?xml version='1.0' encoding='UTF-8'?>
<gui xmlns="http://www.xmlmind.com/xmleditor/schema/gui"1
     xmlns:gui="http://www.xmlmind.com/xmleditor/schema/gui">

  <translation location="custom_gui_en.properties" />2

  <layout label="Document Editor" icon="docedit.png">3
    <insert />4
  </layout>

</gui>

1

The namespace of GUI specification elements is "http://www.xmlmind.com/xmleditor/schema/gui".

After downloading and installing the add-on called "XMLmind XML Editor Configuration Pack" using OptionsInstall Add-ons, the corresponding schema is found in XXE_user_preferences_dir/addon/xxe_config_pack/gui/xsd/gui.xsd.

2

GUI specification files can be localized by using translation elements. For more information please consult the reference part of this document.

3

The layout element has label and icon attributes specifying the title and desktop icon of the XML editor.

4

Without the use of insert, the above layout would have been understood as a redefinition from scratch of the standard layout of the XML editor. Such XML editor would have had a blank main window.