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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/Tcl.n | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -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 |