From 6c128881eea17c5b7f7ec0415d60ce4b09f263c2 Mon Sep 17 00:00:00 2001
From: Samuel Tardieu <sam@rfc1149.net>
Date: Wed, 2 Oct 2024 19:03:41 +0200
Subject: [PATCH] doc: add comment to explain the syntax of folded examples

---
 docs/revsets.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/revsets.md b/docs/revsets.md
index 4a0721aa14..10362c587e 100644
--- a/docs/revsets.md
+++ b/docs/revsets.md
@@ -78,6 +78,9 @@ only symbols.
 You can use parentheses to control evaluation order, such as `(x & y) | z` or
 `x & (y | z)`.
 
+<!-- The following format will be understood by the web site generator, and will
+ generate a folded section that can be unfolded at will. -->
+
 ??? examples
 
     Given this history: