Revert visibility of Namespace segments from PR 67
diff --git a/syntax/namespace.rs b/syntax/namespace.rs
index a4e972b..d26bb9e 100644
--- a/syntax/namespace.rs
+++ b/syntax/namespace.rs
@@ -11,7 +11,7 @@
 
 #[derive(Clone)]
 pub struct Namespace {
-    pub segments: Vec<String>,
+    segments: Vec<String>,
 }
 
 impl Namespace {