https://manpages.ubuntu.com/manpages/xenial/man3/XmClipboardCancelCopy.3.html
Ubuntu Manpage: XmClipboardCancelCopy - A clipboard function that cancels a copy to the clipboard...
A clipboard function that cancels a copy to the clipboard "XmClipboardCancelCopy" "clipboard functions" "XmClipboardCancelCopy"
copy toubuntumanpageclipboard