Merge pull request #58 from mre/file-without-host

Don't require host for `file` scheme

src/url.rs

@@ -136,7 +136,7 @@ fn find_scheme_start(s: &str) -> (Option<usize>, Option<char>) {
 /// We could make this configurable, but let's keep it simple until someone asks (hi!).
 fn scheme_requires_host(scheme: &str) -> bool {
     match scheme {
-        "https" | "http" | "file" | "ftp" | "ssh" => true,
+        "https" | "http" | "ftp" | "ssh" => true,
         _ => false,
     }
 }

tests/url.rs

@@ -39,6 +39,8 @@ fn authority() {
     assert_not_linked("file:// ");
     assert_not_linked("\"file://\"");
     assert_not_linked("\"file://...\", ");
+    assert_linked("file://somefile", "|file://somefile|");
+    assert_linked("file://../relative", "|file://../relative|");
     assert_linked("http://a.", "|http://a|.");
 }