From 35eb4bbc049b7692513fdb0036ca1250c70a145c Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Sun, 26 Jan 2020 12:31:41 -0500
Subject: [PATCH] Make convert() handle unknown characters.   Resolved issue
 #2309

---
 ts/core/MathDocument.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ts/core/MathDocument.ts b/ts/core/MathDocument.ts
index 9f9a1376a..7e6316ccd 100644
--- a/ts/core/MathDocument.ts
+++ b/ts/core/MathDocument.ts
@@ -629,6 +629,7 @@ export abstract class AbstractMathDocument<N, T, D> implements MathDocument<N, T
         }
         const jax = this.inputJax.reduce((jax, ijax) => (ijax.name === format ? ijax : jax), null);
         const mitem = new this.options.MathItem(math, jax, display);
+        mitem.start.node = this.adaptor.body(this.document);
         mitem.setMetrics(em, ex, containerWidth, lineWidth, scale);
         mitem.convert(this, end);
         return (mitem.typesetRoot || mitem.root);