From 99ba912cebb5eee0ef3ab63cb2019ef586057563 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Tue, 24 Nov 2015 09:00:27 +0000
Subject: Make ::tcl::tm::roots work for alpha/beta Tcl releases. (backported
 from "novem", will be needed anyway for whatever future developments)

---
 library/tm.tcl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/tm.tcl b/library/tm.tcl
index 55efda6..66c56a1 100644
--- a/library/tm.tcl
+++ b/library/tm.tcl
@@ -354,7 +354,7 @@ proc ::tcl::tm::Defaults {} {
 #	Calls 'path add' to paths to the list of module search paths.
 
 proc ::tcl::tm::roots {paths} {
-    lassign [split [package present Tcl] .] major minor
+    regexp {^(\d+)\.(\d+)} [package present Tcl] - major minor
     foreach pa $paths {
 	set p [file join $pa tcl$major]
 	for {set n $minor} {$n >= 0} {incr n -1} {
-- 
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