From 0eb3cf6978571e448d74004b5402b335e1b503ae Mon Sep 17 00:00:00 2001
From: Daniel Diekmeier <danieldiekmeier@gmail.com>
Date: Mon, 3 Oct 2022 06:58:22 +0200
Subject: [PATCH] Explain special case of `data-` and `aria-` attributes
 (#1095)

---
 REFERENCE.md | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/REFERENCE.md b/REFERENCE.md
index c3ba593e..71cc8509 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -294,7 +294,19 @@ or using `true` and `false`:
     %input(selected=true)
 
 This feature works only for attributes that are included in
-[`Haml::AttributeBuilder::BOOLEAN_ATTRIBUTES`](lib/haml/attribute_builder.rb).
+[`Haml::AttributeBuilder::BOOLEAN_ATTRIBUTES`](lib/haml/attribute_builder.rb),
+as well as `data-` and `aria-` attributes.
+
+    %input{'data-hidden' => false}
+    %input{'aria-hidden' => false}
+    %input{'xyz-hidden' => false}
+
+will render as:
+
+    <input>
+    <input>
+    <input xyz-hidden='false'>
+
 
 <!-- The title to the next section (Prefixed Attributes) has changed. This
 <a> tag is so old links to here still work. -->