This class maintins information that the mred:pasteboard-info-frame% displays. It can only be used in a mred:pasteboard-info-frame%.
The buffer will not be displayed until it is attached to a wx:media-canvas% object or some other view.
A new wx:keymap% object is created for the new buffer. See also get-keymap and set-keymap.
A new wx:style-list object is created for the new buffer. See also get-style-list and set-style-list.