Is there a way to customize the code so the Digital Product URL will interpret a shortcode? If I put the following code in the Digital Product URL field (and leave anonymous download unchecked) the email that's delivered to the buyer is broken into 3 parts:
[s3safe]SF.zip, San Francisco, file[/s3safe]
I think this is happening because there are two commas and thus three text parts. I wonder if there's a way to interpret the shortcode rather than take it literally?
BTW, I want to do this to get around the issues with large files by using the shortcode from another plugin.