[Behavior] Target [CGM-to-CGM] The viewer shall load the picture into the frame identified by "target". If no matching frame can be found, the viewer shall load the designated content document in a new window with the specified name. [CGM-to-HTML] 
The viewer shall load the document into the frame identified by "target". If no matching frame can be found, the viewer shall load the designated content document in a new window with the specified name.