Render (copy) required supporting files for an input document to the
_files directory that is associated with the document.
render_supporting_files(from, files_dir, rename_to = NULL)
| from | The directory from which the files should be copied. |
|---|---|
| files_dir | The directory that will receive the copied files. |
| rename_to | An option to rename the source directory after the copy operation is complete. |
The relative path to the supporting files. This path is suitable
for inclusion in HTMLhref and src attributes.