XtIsWMShell(3x) on Linux
The text ec0c88b8fce2, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo) shipped it.
obtain and verify a widget's class
The text ec0c88b8fce2, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo) shipped it.
obtain and verify a widget's class