message: Deleting double "the" in line 65.
diff: @@ -62,7 +62,7 @@ where
  /// Returns `true` if given edge is in the matching, or `false` otherwise.
  ///
  - /// If any of the the nodes does not exist, `false` is returned.
  + /// If any of the nodes does not exist, `false` is returned.
  pub fn contains_edge(&self, a: G::NodeId, b: G::NodeId) -> bool {
  match self.mate(a) {
  Some(mate) => mate == b,
  