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            "@name":"description",
            "@content":"Demonstrate each of the various LineProperties enumeration values."
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            "@content":"20 August 2008"
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            "@name":"modified",
            "@content":"27 July 2024"
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                                                "#comment":"linetype='2' dashed"
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                                                "#comment":"linetype='6' (optional support) single arrow, meainging single arrowhead at final vertex, in this case pointing to right"
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                                                "#comment":"linetype='12' (optional support) hidden line"
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