This documentation relates to Opera's now deprecated .oex Extension API framework for Opera versions <= 12.15 and also provided by our OEX2NEX shim library.
For the latest Opera Extensions API documentation for Opera versions > 12.15 please consult the latest Opera Extensions API documentation online.
The <content> element is used to define a custom start file for the extension. The following attributes are associated with it.
src: Points to a file within the extension package which is supposed to be the start fileencoding: Character encoding of the file identified by the src attribute<widget xmlns="http://www.w3.org/ns/widgets">
  <content src="index.xml"
    encoding="utf-8"
    type="application/xhtml+xml"/>
</widget>