From 4cd0ddcb126033ddf47dddd979796a2fde78466d Mon Sep 17 00:00:00 2001
From: abap34 <abap0002@gmail.com>
Date: Thu, 8 Aug 2024 01:05:52 +0900
Subject: [PATCH] =?UTF-8?q?=E7=9B=B8=E4=BA=92=E3=81=AB=E9=A3=9B=E3=81=B9?=
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---
 src/syntax/FootnoteDefinition.hpp      |  9 +++++++--
 src/syntax/InlineFootnoteReference.hpp | 13 ++++++++++---
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/syntax/FootnoteDefinition.hpp b/src/syntax/FootnoteDefinition.hpp
index 4379326..f99e23e 100644
--- a/src/syntax/FootnoteDefinition.hpp
+++ b/src/syntax/FootnoteDefinition.hpp
@@ -14,8 +14,13 @@ struct FootnoteDefinition : public ASTNode {
     FootnoteDefinition(std::string symbol_) : symbol(symbol_) { set_uuid(); }
     std::string to_html() const override {
         std::string childs_html = concatenated_childs_html();
-        return "<span class=\"footnote-def\"><a href=\"#ref_" + symbol +
-               "\">^" + symbol + "</a>" + childs_html + "</span>";
+        std::string label = "label_" + symbol;
+        std::string jump_to = "ref_" + symbol;
+
+        return std::format(
+            "<span class=\"footnote-def\" id=\"{}\"><a "
+            "href=\"#{}\">[{}]</a>{}</span>",
+            label, jump_to, symbol, childs_html);
     }
     std::map<std::string, std::string> get_properties() const override {
         return {{"symbol", symbol}};
diff --git a/src/syntax/InlineFootnoteReference.hpp b/src/syntax/InlineFootnoteReference.hpp
index de40610..74b18cb 100644
--- a/src/syntax/InlineFootnoteReference.hpp
+++ b/src/syntax/InlineFootnoteReference.hpp
@@ -16,9 +16,16 @@ struct InlineFootnoteReference : public ASTNode {
     }
 
     std::string to_html() const override {
-        return "<span class=\"footnote-ref\"> <sup id=\"ref_" + symbol +
-               "\"><a href=\"#note_" + symbol + "\">[" + symbol +
-               "]</a></sup> </span>";
+        // This is correct. 
+        // `label_` is setted in `FootnoteDefinition` (which we have to jump to)
+        std::string label = "ref_" + symbol;
+        std::string jump_to = "label_" + symbol;
+
+        return std::format(
+            "<span class=\"footnote-ref\"><sup id=\"{}\"><a "
+            "href=\"#{}\">[{}]</a>"
+            "</sup></span>",
+            label, jump_to, symbol);
     }
 
     std::map<std::string, std::string> get_properties() const override {