Reference

XmCreateDropDownList(3) on Linux

The text 41a3d7d15136, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.

The Drop-down list ComboBox widget creation function

XmCreateDropDownList(3) on Linux now