From 1a0772d39f757f5d0fb12123b4367b7569276bc9 Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@leastfixedpoint.com>
Date: Wed, 1 Nov 2023 12:02:18 +0100
Subject: [PATCH] Forgot groups!

---
 preserves-expressions.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/preserves-expressions.md b/preserves-expressions.md
index 3f9c691..dccc68c 100644
--- a/preserves-expressions.md
+++ b/preserves-expressions.md
@@ -94,6 +94,7 @@ P-expressions allow them:
          Sequence =/  "[" *Value Trailer ws "]"
               Set =/ "#{" *Value Trailer ws "}"
             Block =/  "{" *Value Trailer ws "}"
+            Group =/  "(" *Value Trailer ws ")"
 
            Trailer = 1*Annotation