From 6a4a7e4e0d44c21c20644d7059a13429dfb3d90a Mon Sep 17 00:00:00 2001
From: gunnarmein-ts <gunnar@together.science>
Date: Mon, 23 Sep 2024 10:58:08 -0700
Subject: [PATCH] changes in ascii-math serialization for \choose and matrices

---
 src/formats/atom-to-ascii-math.ts | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/formats/atom-to-ascii-math.ts b/src/formats/atom-to-ascii-math.ts
index 3d899d3af..18af766ed 100644
--- a/src/formats/atom-to-ascii-math.ts
+++ b/src/formats/atom-to-ascii-math.ts
@@ -256,9 +256,12 @@ export function atomToAsciiMath(
           result += atomToAsciiMath(genfracAtom.below, options);
           result += ')';
         } else {
-          // No bar line, i.e. \choose, etc...
-          result += '(' + atomToAsciiMath(genfracAtom.above, options) + '),';
-          result += '(' + atomToAsciiMath(genfracAtom.below, options) + ')';
+          // No bar line, for \choose
+          result += '((';
+          result += atomToAsciiMath(genfracAtom.above, options);
+          result += ') choose (';
+          result += atomToAsciiMath(genfracAtom.below, options);
+          result += '))';
         }
 
         if (genfracAtom.leftDelim || genfracAtom.rightDelim) {
@@ -372,12 +375,8 @@ export function atomToAsciiMath(
       const rows: string[] = [];
       for (const row of array) {
         const cells: string[] = [];
-        for (const cell of row)
-          cells.push(
-            rowDelim[0] + atomToAsciiMath(cell, options) + rowDelim[1]
-          );
-
-        rows.push(cells.join(','));
+        for (const cell of row) cells.push(atomToAsciiMath(cell, options));
+        rows.push(rowDelim[0] + cells.join(',') + rowDelim[1]);
       }
 
       const delim = {