From 0f1badcbe86b6d7368f550992793d1ef0f7c6291 Mon Sep 17 00:00:00 2001
From: Breck Yunits <breck7@gmail.com>
Date: Wed, 26 Apr 2023 09:04:37 -1000
Subject: [PATCH] Add a basic KaTex node for Latex math typesetting in the
 default distribution. Closes #102

---
 grammar/katex.grammar | 24 ++++++++++++++++++++++++
 package.json          |  2 +-
 releaseNotes.scroll   |  4 ++++
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 grammar/katex.grammar

diff --git a/grammar/katex.grammar b/grammar/katex.grammar
new file mode 100644
index 000000000..4c949dd2a
--- /dev/null
+++ b/grammar/katex.grammar
@@ -0,0 +1,24 @@
+katexParser
+ cruxFromId
+ extends abstractScrollWithRequirementsParser
+ catchAllCellType codeCell
+ catchAllParser lineOfCodeParser
+ description Use the KaTex library to typeset math.
+ string requireOnce
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.6/dist/katex.min.css" integrity="sha384-mXD7x5S50Ko38scHSnD4egvoExgMPbrseZorkbE49evAfv9nNcbrXJ8LLNsDgh9d" crossorigin="anonymous">
+  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.6/dist/katex.min.js" integrity="sha384-j/ZricySXBnNMJy9meJCtyXTKMhIJ42heyr7oAdxTDBy/CYA9hzpMo+YTNV5C+1X" crossorigin="anonymous"></script>
+  <script>
+  document.addEventListener("DOMContentLoaded", () => document.querySelectorAll(".scrollKatex").forEach(el =>
+   {
+    katex.render(el.innerText, el, {
+        throwOnError: false
+    });
+   }
+  ))
+  </script>
+ javascript
+  compileInstance() {
+   const id = this._getUid()
+   const content = this.content === undefined ? "" : this.content
+   return `<div class="scrollKatex" id="${id}">${content + this.childrenToString()}</div>`
+  }
\ No newline at end of file
diff --git a/package.json b/package.json
index 3210fc22a..07b587459 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "scroll-cli",
-  "version": "69.2.0",
+  "version": "69.3.0",
   "description": "Tools for thoughts.",
   "main": "scroll.js",
   "engines": {
diff --git a/releaseNotes.scroll b/releaseNotes.scroll
index 2f158bcf2..956849424 100644
--- a/releaseNotes.scroll
+++ b/releaseNotes.scroll
@@ -4,6 +4,10 @@ startColumns
 
 * Here's a list of the notable changes in Scroll.
 
+# 69.3.0 4/26/2023
+- 🎉 Add `katex` keyword. KaTeX: "The fastest math typesetting library for the web."
+ https://katex.org/ KaTeX
+
 # 69.2.0 4/18/2023
 - 🎉 added the `tag` keyword to thought nodes so you can change the compiled html tag (needed in rare circumstances)
 - 🎉 added the `thought` keyword and standardized vocab to calling the thought node the main node that most nodes extend.