From 8b688986b7c0dc216e3600386c9f53dcd59dfe35 Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Mon, 11 Oct 2021 19:08:29 -0700
Subject: [PATCH] Enable rendering of bare math blocks in notebooks

Fixes #133390

Adds support for math blocks that just start with `\begin` instead of being wrapped in dollar signs
---
 extensions/markdown-math/notebook/katex.ts | 5 ++++-
 extensions/markdown-math/yarn.lock         | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/extensions/markdown-math/notebook/katex.ts b/extensions/markdown-math/notebook/katex.ts
index cc076db5201..f6b683ffcb6 100644
--- a/extensions/markdown-math/notebook/katex.ts
+++ b/extensions/markdown-math/notebook/katex.ts
@@ -44,6 +44,9 @@ export async function activate(ctx: RendererContext<void>) {
 
 	const katex = require('@iktakahiro/markdown-it-katex');
 	markdownItRenderer.extendMarkdownIt((md: markdownIt.MarkdownIt) => {
-		return md.use(katex, { globalGroup: true });
+		return md.use(katex, {
+			globalGroup: true,
+			enableBareBlocks: true,
+		});
 	});
 }
diff --git a/extensions/markdown-math/yarn.lock b/extensions/markdown-math/yarn.lock
index ac52779ca6e..afbc51221af 100644
--- a/extensions/markdown-math/yarn.lock
+++ b/extensions/markdown-math/yarn.lock
@@ -4,7 +4,7 @@
 
 "@iktakahiro/markdown-it-katex@https://github.com/mjbvz/markdown-it-katex.git":
   version "4.0.1"
-  resolved "https://github.com/mjbvz/markdown-it-katex.git#2bf0b89c6c22ef0b585f55ccab66d1f7c5356bea"
+  resolved "https://github.com/mjbvz/markdown-it-katex.git#820d9025ad84937eb3f9f7efbc1be7595e20b19f"
   dependencies:
     katex "^0.13.0"