🚩 Drop quick-xml feature "overlapped-lists"

dbus2#159 (comment)

Cargo.toml

@@ -50,7 +50,7 @@ hex = "0.4.3"
 xdg-home = "1.1.0"
 rand = "0.8.5"
 event-listener = "5.3.0"
-quick-xml = { version = "0.36.2", features = ["overlapped-lists", "serialize"] }
+quick-xml = { version = "0.36.2", features = ["serialize"] }
 
 [target.'cfg(unix)'.dependencies]
 nix = { version = "0.29.0", features = ["user"] }

src/config.rs

@@ -686,6 +686,57 @@ mod tests {
         );
     }
 
+    #[test]
+    fn bus_config_parse_with_overlapped_lists_ok() {
+        // confirm this works with/without quick-xml's [`overlapped-lists`] feature
+        // [`overlapped-lists`]: https://docs.rs/quick-xml/latest/quick_xml/#overlapped-lists
+        let input = r#"<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
+        "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+        <busconfig>
+            <auth>ANONYMOUS</auth>
+            <listen>unix:path=/tmp/foo</listen>
+            <policy context="default">
+                <allow own="*"/>
+                <deny own="*"/>
+                <allow own="*"/>
+            </policy>
+            <auth>EXTERNAL</auth>
+            <listen>tcp:host=localhost,port=1234</listen>
+            <policy context="default">
+                <deny own="*"/>
+                <allow own="*"/>
+                <deny own="*"/>
+            </policy>
+        </busconfig>
+        "#;
+
+        let busconfig = BusConfig::parse(input).expect("should parse XML input");
+
+        assert_eq!(
+            busconfig,
+            BusConfig {
+                auth: HashSet::from_iter([String::from("ANONYMOUS"), String::from("EXTERNAL")]),
+                listen: HashSet::from_iter(vec![
+                    String::from("unix:path=/tmp/foo"),
+                    String::from("tcp:host=localhost,port=1234"),
+                ]),
+                policies: vec![
+                    Policy::DefaultContext(vec![
+                        (Access::Allow, Operation::Own),
+                        (Access::Deny, Operation::Own),
+                        (Access::Allow, Operation::Own),
+                    ]),
+                    Policy::DefaultContext(vec![
+                        (Access::Deny, Operation::Own),
+                        (Access::Allow, Operation::Own),
+                        (Access::Deny, Operation::Own),
+                    ]),
+                ],
+                ..Default::default()
+            }
+        );
+    }
+
     #[test]
     fn bus_config_parse_with_pidfile_ok() {
         let input = r#"<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"