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+'\"
+'\" Copyright (c) 1993 The Regents of the University of California.
+'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
+'\"
+'\" See the file "license.terms" for information on usage and redistribution
+'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+'\"
+'\" SCCS: @(#) tell.n 1.9 96/08/26 13:00:17
+'\"
+.so man.macros
+.TH tell n 7.5 Tcl "Tcl Built-In Commands"
+.BS
+'\" Note: do not modify the .SH NAME line immediately below!
+.SH NAME
+tell \- Return current access position for an open channel
+.SH SYNOPSIS
+\fBtell \fIchannelId\fR
+.BE
+
+.SH DESCRIPTION
+.PP
+Returns a decimal string giving the current access position in
+\fIchannelId\fR.
+The value returned is -1 for channels that do not support
+seeking.
+
+.SH KEYWORDS
+access position, channel, seeking