Create a new context tree when calling into confine_context.

The parent exit matchers were causing an issue.

org_mode_samples/greater_element/plain_list/regular_link.org

@@ -0,0 +1,2 @@
+# This test causes problems with regular links if we do not create a new ContextTree when calling into confine_context.
+- foo [[info:bar][baz]] lorem

src/parser/radio_link.rs

@@ -14,9 +14,11 @@ use super::util::confine_context;
 use super::util::maybe_consume_object_trailing_whitespace_if_not_exiting;
 use super::util::text_until_exit;
 use crate::context::parser_with_context;
+use crate::context::Context;
 use crate::context::ContextElement;
 use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
+use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::MyError;
@@ -110,6 +112,8 @@ pub(crate) fn radio_target<'b, 'g, 'r, 's>(
         exit_matcher: &radio_target_end,
     });
     let parser_context = context.with_additional_node(&parser_context);
+    let initial_context = ContextElement::document_context();
+    let initial_context = Context::new(context.get_global_settings(), List::new(&initial_context));
 
     let (remaining, (raw_value, children)) = consumed(map_parser(
         verify(
@@ -117,7 +121,9 @@ pub(crate) fn radio_target<'b, 'g, 'r, 's>(
             |text| text.len() > 0,
         ),
         confine_context(|i| {
-            all_consuming(many1(parser_with_context!(minimal_set_object)(context)))(i)
+            all_consuming(many1(parser_with_context!(minimal_set_object)(
+                &initial_context,
+            )))(i)
         }),
     ))(remaining)?;
 

src/parser/regular_link.rs

@@ -35,10 +35,12 @@ use super::util::get_consumed;
 use super::util::maybe_consume_object_trailing_whitespace_if_not_exiting;
 use super::util::text_until_exit;
 use crate::context::parser_with_context;
+use crate::context::Context;
 use crate::context::ContextElement;
 use crate::context::ContextMatcher;
 use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
+use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::MyError;
@@ -404,6 +406,9 @@ fn description<'b, 'g, 'r, 's>(
         exit_matcher: &description_end,
     });
     let parser_context = context.with_additional_node(&parser_context);
+    let initial_context = ContextElement::document_context();
+    let initial_context = Context::new(context.get_global_settings(), List::new(&initial_context));
+
     let (remaining, children) = map_parser(
         verify(
             parser_with_context!(text_until_exit)(&parser_context),
@@ -412,7 +417,7 @@ fn description<'b, 'g, 'r, 's>(
         confine_context(|i| {
             all_consuming(many1(parser_with_context!(
                 regular_link_description_set_object
-            )(context)))(i)
+            )(&initial_context)))(i)
         }),
     )(input)?;