BibDocFile: decompose_file_url() and subformat
- Improves decompose_file_url() function to correctly support the subformat query argument. (closes #2556) (PR #2557)
Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
Tested-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>
Tested-by: Tibor Simko <tibor.simko@cern.ch>