diff -r 2f22cc1afaad -r 7c7d9c0a314d syntaxes/LaTeX.tmLanguage.json
--- a/syntaxes/LaTeX.tmLanguage.json	Thu May 14 17:45:50 2020 -0500
+++ b/syntaxes/LaTeX.tmLanguage.json	Fri May 29 15:32:47 2020 -0500
@@ -995,6 +995,42 @@
       ]
     },
     {
+      "begin": "((\\\\)(?:[a-zA-Z][a-zA-Z])?reply)((?:\\[[^\\[]*?\\])*)(\\{)",
+      "beginCaptures": {
+        "1": {
+          "name": "support.function.todo.reply.latex"
+        },
+        "2": {
+          "name": "punctuation.definition.function.latex"
+        },
+        "3": {
+          "patterns": [
+            {
+              "include": "#optional-arg"
+            }
+          ]
+        },
+        "4": {
+          "name": "punctuation.definition.todo.reply.begin.latex"
+        }
+      },
+      "contentName": "entity.name.todo.reply.latex",
+      "end": "\\}",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.definition.todo.reply.end.latex"
+        }
+      },
+      "patterns": [
+        {
+          "include": "text.tex#braces"
+        },
+        {
+          "include": "$base"
+        }
+      ]
+    },
+    {
       "begin": "((\\\\)emph)(\\{)",
       "beginCaptures": {
         "1": {