XmCreateText(3) on Linux
The text cfb49f05b0ac, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
The Text widget creation function "XmCreateText" "creation functions" "XmCreateText"