Import Tcl 8.6.11

tests/resolver.test

@@ -10,8 +10,8 @@
 # See the file "license.terms" for information on usage and redistribution of
 # this file, and for a DISCLAIMER OF ALL WARRANTIES.
 
-package require tcltest 2
-if {"::tcltest" in [namespace children]} {
+if {"::tcltest" ni [namespace children]} {
+    package require tcltest 2.5
     namespace import -force ::tcltest::*
 }
 
@@ -203,7 +203,7 @@ test resolver-2.1 {compiled var resolver: Bug #3383616} -setup {
 # resolver-agnostic).
 #
 # In order to make the test cases for the per-interpreter cmd literal pool
-# reproducable and to minimize interactions between test cases, we use a slave
+# reproducable and to minimize interactions between test cases, we use a child
 # interpreter per test-case.
 #
 #