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-rw-r--r--library/init.tcl10
1 files changed, 9 insertions, 1 deletions
diff --git a/library/init.tcl b/library/init.tcl
index b669d6a..0e7cd94 100644
--- a/library/init.tcl
+++ b/library/init.tcl
@@ -3,7 +3,7 @@
# Default system startup file for Tcl-based applications. Defines
# "unknown" procedure and auto-load facilities.
#
-# RCS: @(#) $Id: init.tcl,v 1.55.2.3 2004/05/03 14:28:59 dgp Exp $
+# RCS: @(#) $Id: init.tcl,v 1.55.2.4 2004/11/13 00:41:58 dgp Exp $
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
@@ -189,6 +189,14 @@ proc unknown args {
# may get modified if caught errors occur below. The variables will
# be restored just before re-executing the missing command.
+ # Safety check in case something unsets the variables
+ # ::errorInfo or ::errorCode. [Bug 1063707]
+ if {![info exists errorCode]} {
+ set errorCode ""
+ }
+ if {![info exists errorInfo]} {
+ set errorInfo ""
+ }
set savedErrorCode $errorCode
set savedErrorInfo $errorInfo
set name [lindex $args 0]