Save LayOut to old version.rb

=begin

Available version constants:

Layout::Document::VERSION_1
Layout::Document::VERSION_2
Layout::Document::VERSION_3
Layout::Document::VERSION_2013
Layout::Document::VERSION_2014
Layout::Document::VERSION_2015
Layout::Document::VERSION_2016
Layout::Document::VERSION_2017
Layout::Document::VERSION_2018
Layout::Document::VERSION_2019
Layout::Document::VERSION_2020
Layout::Document::VERSION_2021
Layout::Document::VERSION_2022
Layout::Document::VERSION_2023

=end

# Set the path to the LayOut file
path = "C:/path/to/document.layout"

# Grab a handle to an existing LayOut document
doc = Layout::Document.open( path )

# Save to the older version
status = doc.save( path , Layout::Document::VERSION_2017 )