Fixed parsing of plain URLs

* sweble-wikitext 4beb459...e26af2b (2):

    commit e26af2b08378a6d5457dc9cff12c120116c7444a

        Fixed problem with preserving RTD information in HTML Tree builder

    commit 64cb3fa04896b278aca2e13599f9233731267791

        Fixed parsing of plain URLs