.\" #
.\" # Copyright (c) 2015, Juniper Networks, Inc.
.\" # All rights reserved.
.\" # This SOFTWARE is licensed under the LICENSE provided in the
.\" # ../Copyright file. By downloading, installing, copying, or 
.\" # using the SOFTWARE, you agree to be bound by the terms of that
.\" # LICENSE.
.\" # Phil Shafer, July 2014
.\" 
.Dd December 4, 2014
.Dt LIBXO 3
.Os
.Sh NAME
.Nm xo_set_version , xo_set_version_h
.Nd record content-version information in encoded output
.Sh LIBRARY
.Lb libxo
.Sh SYNOPSIS
.In libxo/xo.h
.Ft void
.Fn xo_set_version "const char *version"
.Ft void
.Fn xo_set_version_h "xo_handle_t *xop" "const char *version"
.Sh DESCRIPTION
The
.Nm xo_set_version
function records a version number to be emitted as
part of the data for encoding styles (XML and JSON).
This version number is suitable for tracking changes in the content,
allowing a user of the data to discern which version of the data model
is in use.
.Sh SEE ALSO
.Xr xo_emit 3 ,
.Xr libxo 3
.Sh HISTORY
The
.Nm libxo
library first appeared in
.Fx 11.0 .
.Sh AUTHORS
.Nm libxo
was written by
.An Phil Shafer Aq Mt phil@freebsd.org .