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-rw-r--r--win/tclWinPort.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/win/tclWinPort.h b/win/tclWinPort.h
index c553ea6..47545ba 100644
--- a/win/tclWinPort.h
+++ b/win/tclWinPort.h
@@ -10,7 +10,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclWinPort.h,v 1.36 2002/11/27 18:13:38 davygrvy Exp $
+ * RCS: @(#) $Id: tclWinPort.h,v 1.36.2.1 2005/10/05 08:02:20 hobbs Exp $
*/
#ifndef _TCLWINPORT
@@ -423,7 +423,8 @@
* the C level environment in synch with the system level environment.
*/
-#define USE_PUTENV 1
+#define USE_PUTENV 1
+#define USE_PUTENV_FOR_UNSET 1
/*
* Msvcrt's putenv() copies the string rather than takes ownership of it.