incompatibilities/spec/render/hash_attribute_spec.md in faml-0.6.4 vs incompatibilities/spec/render/hash_attribute_spec.md in faml-0.6.5

@@ -116,5 +116,26 @@
 ```html
 <span data-foo='1' data-bar='2'>hello</span>
 
 ```
 
+# [./spec/render/hash_attribute_spec.rb:61](../../../spec/render/hash_attribute_spec.rb#L61)
+## Input
+```haml
+- h1 = { new: true }
+- h2 = { data: { old: true } }
+%a(data=h1){ h2 , data: { new: nil, old: false } }
+
+```
+
+## Faml, Haml
+```html
+<a></a>
+
+```
+
+## Hamlit
+```html
+<a data-old data='{:new=&gt;true}'></a>
+
+```
+