From 71af03c0f680e2cdfa34c6c64d705e050d167dad Mon Sep 17 00:00:00 2001
From: Felix Ableitner <me@nutomic.com>
Date: Wed, 23 Oct 2024 11:32:26 +0200
Subject: [PATCH] Add support for markdown footnotes (ref #76)

---
 Cargo.lock               | 10 ++++++++++
 Cargo.toml               |  1 +
 src/frontend/markdown.rs |  1 +
 3 files changed, 12 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 3ddbc08..e05edd5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1746,6 +1746,7 @@ dependencies = [
  "log",
  "markdown-it",
  "markdown-it-block-spoiler",
+ "markdown-it-footnote",
  "markdown-it-heading-anchors",
  "once_cell",
  "pretty_assertions",
@@ -2315,6 +2316,15 @@ dependencies = [
  "markdown-it",
 ]
 
+[[package]]
+name = "markdown-it-footnote"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6679ab967fbc45b290b25fb477af7556bf6825feec208a970585e6bb9aae3be"
+dependencies = [
+ "markdown-it",
+]
+
 [[package]]
 name = "markdown-it-heading-anchors"
 version = "0.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index 42d3ab2..634acf1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -83,6 +83,7 @@ katex = { version = "0.4", default-features = false }
 include_dir = "0.7.4"
 markdown-it-block-spoiler = "1.0.0"
 markdown-it-heading-anchors = "0.3.0"
+markdown-it-footnote = "0.2.0"
 
 [dev-dependencies]
 pretty_assertions = "1.4.1"
diff --git a/src/frontend/markdown.rs b/src/frontend/markdown.rs
index 5c9e692..7b3e86b 100644
--- a/src/frontend/markdown.rs
+++ b/src/frontend/markdown.rs
@@ -30,6 +30,7 @@ fn markdown_parser() -> MarkdownIt {
     let mut parser = MarkdownIt::new();
     markdown_it::plugins::cmark::add(&mut parser);
     markdown_it_heading_anchors::add(&mut parser);
+    markdown_it_footnote::add(&mut parser);
     markdown_it::plugins::extra::strikethrough::add(&mut parser);
     markdown_it::plugins::extra::tables::add(&mut parser);
     markdown_it::plugins::extra::typographer::add(&mut parser);