Make [expr] use in examples more idiomatic [Bug 1526581]

1 files changed, 4 insertions, 4 deletions

diff --git a/doc/ParseCmd.3 b/doc/ParseCmd.3
index 921ba22..b49f839 100644
--- a/doc/ParseCmd.3
+++ b/doc/ParseCmd.3
@@ -4,7 +4,7 @@
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 '\" 
-'\" RCS: @(#) $Id: ParseCmd.3,v 1.22 2005/09/15 23:13:32 msofer Exp $
+'\" RCS: @(#) $Id: ParseCmd.3,v 1.23 2006/08/09 10:06:28 dkf Exp $
 '\" 
 .so man.macros
 .TH Tcl_ParseCommand 3 8.3 Tcl "Tcl Library Procedures"
@@ -135,7 +135,7 @@ an error message is left in \fIinterp\fR's result,
 and no information is left at \fI*parsePtr\fR or \fI*termPtr\fR.
 .PP
 \fBTcl_ParseQuotedString\fR parses a double-quoted string such as
-\fB"sum is [expr $a+$b]"\fR
+\fB"sum is [expr {$a+$b}]"\fR
 from the beginning of the argument \fIstart\fR.
 The first character of \fIstart\fR must be \fB"\fR. 
 If the double-quoted string was parsed successfully,
@@ -151,7 +151,7 @@ an error message is left in \fIinterp\fR's result,
 and no information is left at \fI*parsePtr\fR or \fI*termPtr\fR.
 .PP
 \fBTcl_ParseVarName\fR parses a Tcl variable reference such as
-\fB$abc\fR or \fB$x([expr $index + 1])\fR from the beginning of its
+\fB$abc\fR or \fB$x([expr {$index + 1}])\fR from the beginning of its
 \fIstart\fR argument.
 The first character of \fIstart\fR must be \fB$\fR. 
 If a variable name was parsed successfully, \fBTcl_ParseVarName\fR
@@ -163,7 +163,7 @@ error message is left in \fIinterp\fR's result (if \fIinterp\fR isn't
 NULL), and no information is left at \fI*parsePtr\fR.
 .PP
 \fBTcl_ParseVar\fR parse a Tcl variable reference such as \fB$abc\fR
-or \fB$x([expr $index + 1])\fR from the beginning of its \fIstart\fR
+or \fB$x([expr {$index + 1}])\fR from the beginning of its \fIstart\fR
 argument.  The first character of \fIstart\fR must be \fB$\fR.  If
 the variable name is parsed successfully, \fBTcl_ParseVar\fR returns a
 pointer to the string value of the variable.  If an error occurs while