Cleanup.

src/parser/parser_context.rs

@@ -8,7 +8,6 @@ use super::error::MyError;
 use super::error::Res;
 use super::list::List;
 use super::list::Node;
-use super::util::always_fail;
 use super::Context;
 
 type Matcher = dyn for<'r, 's> Fn(Context<'r, 's>, &'s str) -> Res<&'s str, &'s str>;
@@ -139,7 +138,8 @@ pub struct ExitMatcherNode<'r> {
 #[derive(Clone)]
 pub enum ChainBehavior<'r> {
     AndParent(Option<&'r Matcher>),
-    #[allow(dead_code)]
+
+    #[allow(dead_code)] // Will be used when inside code/quote blocks
     IgnoreParent(Option<&'r Matcher>),
 }