diff -r 77cd7b8fb6a6 -r 8f40424fb02e markdown_it.js
--- a/markdown_it.js	Mon Jul 06 12:35:38 2020 -0500
+++ b/markdown_it.js	Mon Jul 06 12:51:11 2020 -0500
@@ -33,7 +33,10 @@
                     return '';
                 }
             }),
-            mk = require('markdown-it-katex'),
+            mk = require('markdown-it-texmath', {
+                engine: require('katex'),
+                delimiters:'dollars'
+            }),
             mm = require('markdown-it-mark');
         md.use(mk).use(mm);
         output = md.render(input);