Tcl package Thread source code

Artifact a650b84d74797a449467992c286af86b55e73f63f04529fa7f9f18005093538a:

• File doc/html/ttrace.html — part of check-in [1489811537] at 2026-07-06 16:30:41 on branch main — More 3.0.5 -> 3.0.6 changes (user: jan.nijtmans size: 15734)