XmTextFieldPasteLink(3) on Linux
The text 2b25c6241f83, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A TextField function that inserts a link to the clipboard selection "XmTextFieldPasteLink" "TextField functions" "XmTextFieldPasteLink"