copy-self-to in editor<%>

Copies the properties of this editor into an existing editor.

• (send an-editor copy-self-to dest) -> void
     dest : text% or pasteboard% object

  Each snip in this editor is copied and inserted into dest. In addition, this editor's filename, maximum undo history setting, keymap, interactive caret threshold, and overwrite-styles-on-load settings are installed into dest. This editor's style list is copied and the copy is installed as the style list for dest.