From f9460b88d7fed4387911e78ace8f5f5a98cc88f3 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sun, 24 Sep 2023 01:59:26 -0400
Subject: [PATCH] Add a TODO for a performance optimization.

---
 src/parser/element_parser.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/parser/element_parser.rs b/src/parser/element_parser.rs
index 92da53c..e847da5 100644
--- a/src/parser/element_parser.rs
+++ b/src/parser/element_parser.rs
@@ -107,6 +107,7 @@ fn _element<'b, 'g, 'r, 's>(
                 match map(paragraph_matcher, Element::Paragraph)(remaining) {
                     the_ok @ Ok(_) => the_ok,
                     Err(_) => {
+                        // TODO: Because this function expects a single element, if there are multiple affiliated keywords before an element that cannot have affiliated keywords, we end up re-parsing the affiliated keywords many times.
                         affiliated_keywords.clear();
                         map(affiliated_keyword_matcher, Element::Keyword)(input)
                     }