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[include common/trf_version.inc]
[manpage_begin unstack n [vset trf_version]]
[titledesc "Unstacking channels"]
[include common/trf_header.inc]
[description]
The command [cmd unstack] is an interface to the public Tcl API
function [syscmd TclUnstackChannel]. It unstacks the topmost
transformation from the specified channel if there is any.
[para]
[list_begin definitions]
[call [cmd unstack] [arg channel]]
Removes the topmost transformation from the specified
[arg channel]. If the [arg channel] has no transformation associated
with it it will be closed. In other words, in this situation the
command is equivalent to [cmd close].
[list_end]
[see_also trf-intro]
[keywords transformation unstacking removal]
[manpage_end]
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