From f8948c2e204405f6d857d8d2f356b6ca08e3e802 Mon Sep 17 00:00:00 2001
From: Felix Ableitner <me@nutomic.com>
Date: Fri, 25 Oct 2024 10:46:47 +0200
Subject: [PATCH] Add markdown sub/superscript (fixes #85)

---
 Cargo.lock               | 20 ++++++++++++++++++++
 Cargo.toml               |  2 ++
 src/frontend/markdown.rs |  2 ++
 3 files changed, 24 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 26c469d..46aa950 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1748,6 +1748,8 @@ dependencies = [
  "markdown-it-block-spoiler",
  "markdown-it-footnote",
  "markdown-it-heading-anchors",
+ "markdown-it-sub",
+ "markdown-it-sup",
  "once_cell",
  "pretty_assertions",
  "rand",
@@ -2335,6 +2337,24 @@ dependencies = [
  "markdown-it",
 ]
 
+[[package]]
+name = "markdown-it-sub"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8abe3aa8927af2314644b3aae37393241a229e869ff9c95ac640749e08357d2a"
+dependencies = [
+ "markdown-it",
+]
+
+[[package]]
+name = "markdown-it-sup"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ae949e78c7a615f88a47019d51b65962bfc5c4cbc65fa81eae8b9b2506d1cb1"
+dependencies = [
+ "markdown-it",
+]
+
 [[package]]
 name = "matchit"
 version = "0.7.3"
diff --git a/Cargo.toml b/Cargo.toml
index 7b03769..f378610 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -84,6 +84,8 @@ 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"
+markdown-it-sub = "1.0.0"
+markdown-it-sup = "1.0.0"
 
 [dev-dependencies]
 pretty_assertions = "1.4.1"
diff --git a/src/frontend/markdown.rs b/src/frontend/markdown.rs
index 7b3e86b..ed8f435 100644
--- a/src/frontend/markdown.rs
+++ b/src/frontend/markdown.rs
@@ -35,6 +35,8 @@ fn markdown_parser() -> MarkdownIt {
     markdown_it::plugins::extra::tables::add(&mut parser);
     markdown_it::plugins::extra::typographer::add(&mut parser);
     markdown_it_block_spoiler::add(&mut parser);
+    markdown_it_sub::add(&mut parser);
+    markdown_it_sup::add(&mut parser);
     parser.inline.add_rule::<ArticleLinkScanner>();
     parser.inline.add_rule::<MathEquationScanner>();
     parser