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authordkf <donal.k.fellows@manchester.ac.uk>2002-07-01 10:50:21 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2002-07-01 10:50:21 (GMT)
commit453df7044062f9f79fff8b0a578fc2ade81bb829 (patch)
tree4d4c228faf33f8d52837b041b989f0c424f04946
parent709a7e7751a27b75931a97852c27b342871e3c68 (diff)
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Documented the *real* behaviour of [concat]
-rw-r--r--ChangeLog4
-rw-r--r--doc/concat.n21
2 files changed, 18 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog
index 599c76c..788fd21 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2002-07-01 Donal K. Fellows <fellowsd@cs.man.ac.uk>
+
+ * doc/concat.n: Documented the *real* behaviour of [concat]!
+
2002-06-30 Don Porter <dgp@users.sourceforge.net>
* doc/tcltest.n: more work in progress updating tcltest docs.
diff --git a/doc/concat.n b/doc/concat.n
index c04eaf0..52f4094 100644
--- a/doc/concat.n
+++ b/doc/concat.n
@@ -5,10 +5,10 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: concat.n,v 1.3 2000/09/07 14:27:46 poenitz Exp $
+'\" RCS: @(#) $Id: concat.n,v 1.4 2002/07/01 10:50:21 dkf Exp $
'\"
.so man.macros
-.TH concat n "" Tcl "Tcl Built-In Commands"
+.TH concat n 8.3 Tcl "Tcl Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
@@ -19,12 +19,11 @@ concat \- Join lists together
.SH DESCRIPTION
.PP
-This command treats each argument as a list and concatenates them
+This command joins each of its arguments together with spaces after
+trimming leading and trailing spaces from each of them. If all the
+arguments are lists, this has the same effect as concatenating them
into a single list.
-It also eliminates leading and trailing spaces in the \fIarg\fR's
-and adds a single separator space between \fIarg\fR's.
-It permits any number of arguments. For example,
-the command
+It permits any number of arguments. For example, the command
.CS
\fBconcat a b {c d e} {f {g h}}\fR
.CE
@@ -32,6 +31,14 @@ will return
.CS
\fBa b c d e f {g h}\fR
.CE
+as its result, and
+.CS
+\fBconcat " a b {c " d " e} f"\fR
+.CE
+will return
+.CS
+\fBa b {c d e} f\fR
+.CE
as its result.
.PP
If no \fIarg\fRs are supplied, the result is an empty string.