From e869dcd07fa77d805d6d7303aace00523dcac11c Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Fri, 14 Feb 2025 09:19:44 +0800
Subject: [PATCH] README.md: Justify the subgroup syntax

---
 README.md | 4 ++++

diff --git a/README.md b/README.md
index bfc016f562ab3a0dcddcaf8d29299cdf90da5a15..62997821d9d401b1c82658d57929b807390bbdd2 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,10 @@ * `mail` for mailing lists
 
 Group and subgroup names may not be `:`.
 
+While this syntax looks a bit odd, it makes it possible to unambiguously
+identify where subgroups end and modules begin, without needing to touch the
+database.
+
 ## Protocols and user interfaces
 
 The following should be roughly equivalent in functionality:

-- 
2.48.1