Create structure for plain links.

src/parser/object_parser.rs

@@ -8,6 +8,7 @@ use super::regular_link::regular_link;
 use super::Context;
 use crate::error::Res;
 use crate::parser::object::Object;
+use crate::parser::plain_link::plain_link;
 use crate::parser::radio_link::radio_link;
 use crate::parser::radio_link::radio_target;
 use crate::parser::text_markup::text_markup;
@@ -31,6 +32,7 @@ pub fn standard_set_object<'r, 's>(
             parser_with_context!(regular_link)(context),
             Object::RegularLink,
         ),
+        map(parser_with_context!(plain_link)(context), Object::PlainLink),
         map(parser_with_context!(plain_text)(context), Object::PlainText),
     ))(input)
 }