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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | doc/Tcl.n | 5 |
2 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,8 @@ +2005-12-19 Donal K. Fellows <donal.k.fellows@manchester.ac.uk> + + * doc/Tcl.n: Clarify what is going on in variable substitution + following thread on comp.lang.tcl. + 2005-12-18 Donal K. Fellows <donal.k.fellows@manchester.ac.uk> * generic/tclCompCmds.c (TclCompileDictCmd): Ensure that we only do an @@ -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 1.12 2004/03/09 12:59:04 vincentdarley Exp $ +'\" RCS: @(#) $Id: Tcl.n,v 1.13 2005/12/19 10:05:29 dkf Exp $ '\" .so man.macros .TH Tcl n "8.5" Tcl "Tcl Built-In Commands" @@ -87,7 +87,8 @@ characters between them. There may be any number of command substitutions in a single word. Command substitution is not performed on words enclosed in braces. .IP "[8] \fBVariable substitution.\fR" -If a word contains a dollar-sign (``$'') then Tcl performs \fIvariable +If a word contains a dollar-sign (``$'') followed by one of the forms +described below, then Tcl performs \fIvariable substitution\fR: the dollar-sign and the following characters are replaced in the word by the value of a variable. Variable substitution may take any of the following forms: |