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-rw-r--r--doc/tclvars.n7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/tclvars.n b/doc/tclvars.n
index 792d5c8..32d4b08 100644
--- a/doc/tclvars.n
+++ b/doc/tclvars.n
@@ -5,7 +5,7 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: tclvars.n,v 1.42 2010/01/14 11:47:09 dkf Exp $
+'\" RCS: @(#) $Id: tclvars.n,v 1.43 2010/11/15 21:34:54 andreas_kupries Exp $
'\"
.so man.macros
.TH tclvars n 8.0 Tcl "Tcl Built-In Commands"
@@ -101,6 +101,11 @@ Tcl format, using
.QW /
as the path separator, regardless of platform.
This variable is only used when initializing the \fBauto_path\fR variable.
+.TP
+\fBenv(TCL_INTERP_DEBUG_FRAME)\fR
+.
+If existing, it has the same effect as running \fBinterp debug {} -frame 1\fR
+as the very first command of each new Tcl interpreter.
.RE
.TP
\fBerrorCode\fR