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-rw-r--r--doc/tclvars.n8
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/tclvars.n b/doc/tclvars.n
index 56c95d9..2c51750 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 1.8 2000/09/07 14:27:51 poenitz Exp $
+'\" RCS: @(#) $Id: tclvars.n,v 1.9 2001/09/17 11:51:58 msofer Exp $
'\"
.so man.macros
.TH tclvars n 8.0 Tcl "Tcl Built-In Commands"
@@ -346,6 +346,9 @@ This variable is useful in
tracking down suspected problems with the Tcl compiler.
It is also occasionally useful when converting
existing code to use Tcl8.0.
+
+This variable and functionality only exist if
+TCL_COMPILE_DEBUG was defined during Tcl's compilation.
.TP
\fBtcl_traceExec\fR
The value of this variable can be set to control
@@ -368,6 +371,9 @@ tracking down suspected problems with the bytecode compiler
and interpreter.
It is also occasionally useful when converting
code to use Tcl8.0.
+
+This variable and functionality only exist if
+TCL_COMPILE_DEBUG was defined during Tcl's compilation.
.TP
\fBtcl_wordchars\fR
The value of this variable is a regular expression that can be set to