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-rw-r--r--doc/Tcl.n10
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/Tcl.n b/doc/Tcl.n
index 1277408..e8cc494 100644
--- a/doc/Tcl.n
+++ b/doc/Tcl.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: Tcl.n,v 1.5 2002/10/10 16:11:01 dgp Exp $
+'\" RCS: @(#) $Id: Tcl.n,v 1.6 2002/11/10 17:22:35 kennykb Exp $
'\"
.so man.macros
.TH Tcl n "8.1" Tcl "Tcl Built-In Commands"
@@ -190,6 +190,14 @@ processed entirely by the recursive call to the Tcl interpreter;
no substitutions are performed before making the recursive
call and no additional substitutions are performed on the result
of the nested script.
+.LP
+Substitutions take place from left to right, and each substitution is
+evaluated completely before attempting to evaluate the next. Thus, a
+sequence like
+.CS
+set y [set x 0][incr x][incr x]
+.CE
+will always set the variable \fIy\fR to the value, \fI012\fR.
.IP [11]
Substitutions do not affect the word boundaries of a command.
For example, during variable substitution the entire value of