1[include common/trf_version.inc] 2[manpage_begin unstack n [vset trf_version]] 3[titledesc "Unstacking channels"] 4[include common/trf_header.inc] 5[description] 6 7The command [cmd unstack] is an interface to the public Tcl API 8function [syscmd TclUnstackChannel]. It unstacks the topmost 9transformation from the specified channel if there is any. 10 11[para] 12 13[list_begin definitions] 14[call [cmd unstack] [arg channel]] 15 16Removes the topmost transformation from the specified 17 18[arg channel]. If the [arg channel] has no transformation associated 19with it it will be closed. In other words, in this situation the 20command is equivalent to [cmd close]. 21 22[list_end] 23 24[see_also trf-intro] 25[keywords transformation unstacking removal] 26[manpage_end] 27