1. That would be nice if the URL generator could rely on the media
type given by the OS for local files. For instance, if I read
a .swx file and that my OS is configured correctly, the URL
generator could guess that the media type is
2. Now, if I force this media type in the config input, I get an
error: "the value does not match the regular expression "[a-zA-Z
Shouldn't this pattern be laxer than it is right now?