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diff --git a/lib/URL/Grammar.pm6 b/lib/URL/Grammar.pm6
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+#! /usr/bin/env false
+
+use v6.d;
+
+unit grammar URL::Grammar;
+
+token TOP {
+	[ <scheme> ":" ]?
+	"//"?
+	[ <userinfo> "@" ]?
+	<host>?
+	<path>?
+	[ "?" <query> ]?
+	[ "#" <fragment> ]?
+}
+
+token scheme { <[ a..z ]> <[ a..z 0..9 . + - ]>* }
+token userinfo { <username> [ ":" <password> ] }
+token username { <-[ : @ ]>+ }
+token password { <-[ @ ]>+ }
+token host { <hostname> [ ":" <port> ]? }
+token hostname { [ <-[ / : # ? \h ]>+ | "[" <-[ \] ]>+ "]" ] }
+token port { \d ** 1..5 }
+token path { "/" <part=.path-part>* % "/" }
+token path-part { <-[ / ? # ]>+ }
+token query { <part=.query-part>* % "&" }
+token query-part { <key=.query-part-key> "=" <value=.query-part-value> }
+token query-part-key { <-[ = # & ]>+ }
+token query-part-value { <-[ # & ]>+ }
+token fragment { <-[ \s ]>+ }
+
+=begin pod
+
+=NAME    URL::Grammar
+=AUTHOR  Patrick Spek <p.spek@tyil.work>
+=VERSION 0.1.0
+
+=head1 Synopsis
+
+=head1 Description
+
+=head1 Examples
+
+=head1 See also
+
+=end pod
+
+# vim: ft=perl6 noet