Merge pull request #2587 from Michael-S/master

Add section on exporting multi methods in a Module

doc/Language/modules.pod6

@@ -263,6 +263,17 @@ authors and versions).
     constant FOO is export = "foobar";
     enum FooBar is export <one two three>;
 
+    # for multi methods, if you declare a proto you
+    # only need to mark the proto with is export
+    proto sub quux(Str $x, |) is export { * };
+    multi sub quux(Str $x) { ... };
+    multi sub quux(Str $x, $y) { ... };
+
+    # for multi methods, you only need to mark one with is export
+    # but the code is most consistent if all are marked
+    multi sub quux(Str $x) is export { ... };
+    multi sub quux(Str $x, $y) is export { ... };
+
     # Packages like classes can be exported too
     class MyClass is export {};