Reference

Tcl_UniCharIsUpper(3tcl) on Linux

The text 12af95a95ccb, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.

routines for classification of Tcl_UniChar characters

Tcl_UniCharIsUpper(3tcl) on Linux now