From ebd78d2c99d9587307e444e6b7baa7bc920d42e7 Mon Sep 17 00:00:00 2001
From: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>
Date: Thu, 14 Dec 2023 19:38:55 +0530
Subject: [PATCH] fix(mathml): update known mathML tags (#9829)

---
 packages/shared/src/domTagConfig.ts | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/shared/src/domTagConfig.ts b/packages/shared/src/domTagConfig.ts
index 4cbb02b5f79..000432298ff 100644
--- a/packages/shared/src/domTagConfig.ts
+++ b/packages/shared/src/domTagConfig.ts
@@ -27,12 +27,13 @@ const SVG_TAGS =
   'polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,' +
   'text,textPath,title,tspan,unknown,use,view'
 
-// https://developer.mozilla.org/en-US/docs/Web/MathML/Element
+// https://www.w3.org/TR/mathml4/ (content elements excluded)
 const MATH_TAGS =
-  'math,maction,annotation,annotation-xml,menclose,merror,mfenced,mfrac,mi,' +
+  'annotation,annotation-xml,maction,maligngroup,malignmark,math,menclose,' +
+  'merror,mfenced,mfrac,mfraction,mglyph,mi,mlabeledtr,mlongdiv,' +
   'mmultiscripts,mn,mo,mover,mpadded,mphantom,mprescripts,mroot,mrow,ms,' +
-  'semantics,mspace,msqrt,mstyle,msub,msup,msubsup,mtable,mtd,mtext,mtr,' +
-  'munder,munderover'
+  'mscarries,mscarry,msgroup,msline,mspace,msqrt,msrow,mstack,mstyle,msub,' +
+  'msubsup,msup,mtable,mtd,mtext,mtr,munder,munderover,none,semantics'
 
 const VOID_TAGS =
   'area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr'