Tcl_CommandComplete(3tcl) on Linux

The text 40280d0d7b3f, as Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.

Check for unmatched braces in a Tcl command