From a7f7479872cc70678b5f8374347c509945c04e82 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Wed, 5 May 2021 23:13:26 -0700
Subject: [PATCH] [ruby/erb] Document that `<% #` doesn't work

[Bug #17846]

https://github.com/ruby/erb/commit/b58b188028fbb403f75d48d62717373fc0908f7a
---
 lib/erb.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/erb.rb b/lib/erb.rb
index 17dc557929..3045106c92 100644
--- a/lib/erb.rb
+++ b/lib/erb.rb
@@ -46,7 +46,7 @@ require 'erb/version'
 #
 #   <% Ruby code -- inline with output %>
 #   <%= Ruby expression -- replace with result %>
-#   <%# comment -- ignored -- useful in testing %>
+#   <%# comment -- ignored -- useful in testing %> (`<% #` doesn't work. Don't use Ruby comments.)
 #   % a line of Ruby code -- treated as <% line %> (optional -- see ERB.new)
 #   %% replaced with % if first thing on a line and % processing is used
 #   <%% or %%> -- replace with <% or %> respectively