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Diffstat (limited to 'doc/refchan.n')
| -rw-r--r-- | doc/refchan.n | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/refchan.n b/doc/refchan.n index 8737556..c17117d 100644 --- a/doc/refchan.n +++ b/doc/refchan.n @@ -322,6 +322,19 @@ invocation (usually \fBfconfigure\fR or \fBchan configure\fR) will appear to have thrown this error. Any exception beyond \fBerror\fR (e.g.,\ \fBbreak\fR, etc.) is treated as and converted to an error. .RE +.TP +\fIcmdPrefix \fBtruncate\fR \fIchannelId length\fR +. +This \fIoptional\fR subcommand handles changing the length of the +underlying data stream for the channel \fIchannelId\fR. Its length +gets set to \fIlength\fR. +.RS +.PP +If the subcommand throws an error the command which caused its +invocation (usually \fBchan truncate\fR) will appear to have thrown +this error. Any exception beyond \fBerror\fR (e.g.,\ \fBbreak\fR, +etc.) is treated as and converted to an error. +.RE .SH NOTES Some of the functions supported in channels defined in Tcl's C interface are not available to channels reflected to the Tcl level. |