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authorericm <ericm>2000-01-26 21:36:35 (GMT)
committerericm <ericm>2000-01-26 21:36:35 (GMT)
commitd3256a88c6ade958ce2e87ca8a3b7c0231e476ef (patch)
treec034dc441d7fe54e8a3187e41a118ac3a83186fd /doc/trace.n
parent7b6b3a5c4a1ea767c7ba8cb5236f916461e703b9 (diff)
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* generic/tclNamesp.c: Undid fix for #956, which broke backwards
compatibility. * doc/variable.n: * doc/trace.n: * doc/namespace.n: * doc/info.n: Added further information about differences between "namespace which" and "info exists". * doc/SetErrno.3: Added descriptions of ErrnoId() and ErrnoMsg() functions.
Diffstat (limited to 'doc/trace.n')
-rw-r--r--doc/trace.n6
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/trace.n b/doc/trace.n
index 317205a..7266bac 100644
--- a/doc/trace.n
+++ b/doc/trace.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: trace.n,v 1.2 1998/09/14 18:39:56 stanton Exp $
+'\" RCS: @(#) $Id: trace.n,v 1.3 2000/01/26 21:36:35 ericm Exp $
'\"
.so man.macros
.TH trace n "" Tcl "Tcl Built-In Commands"
@@ -30,7 +30,9 @@ refer to a normal variable, an element of an array, or to an array
as a whole (i.e. \fIname\fR may be just the name of an array, with no
parenthesized index). If \fIname\fR refers to a whole array, then
\fIcommand\fR is invoked whenever any element of the array is
-manipulated.
+manipulated. If the variable does not exist, it will be created but
+will not be given a value, so it will be visible to \fBnamespace which\fR
+queries, but not to \fBinfo exists\fR queries.
.RS
.PP
\fIOps\fR indicates which operations are of interest, and consists of