Example usage to show the contents of test-include.html in the output
<?# Include "test-include.html" /?>
If the included file contains Markdown syntax, you can even include it before the Markdown engine runs with a slight syntax change:
<?! Include "test-include.md" /?>?
The following parameters can be used without names in the order below or with names (provided they are named) in any order. When using named parameters, the syntax should be `Name=Value` or `Name="Value"`.
The path to the file to include.