




Copies the selected text in a text-input-pane to the clipboard
The function text-input
-pane-copy
 performs the clipboard copy operation on the selected text in 
text-input-pane
. It does nothing if there is no selection.
text-input-pane
text-input-pane-selection
text-input-pane-cut
text-input-pane-delete
text-input-pane-paste