Compile boolean attribute for html5

lib/hamlit/compiler/tag_compiler.rb

@@ -35,7 +35,11 @@ module Hamlit
 
       def compile_static_attributes!(temple, node)
         node.value[:attributes].sort_by(&:first).each do |name, value|
-          temple << [:html, :attr, name, [:static, value]]
+          if value == true
+            temple << [:html, :attr, name, [:multi]]
+          else
+            temple << [:html, :attr, name, [:static, value]]
+          end
         end
       end
 

test/haml-spec/ugly_test.rb

@@ -585,7 +585,7 @@ class UglyTest < MiniTest::Test
       assert_equal haml_result, hamlit_result
     end
 
-    def _test_HTML_style_tag_with_an_atomic_attribute
+    def test_HTML_style_tag_with_an_atomic_attribute
       haml    = %q{%a(flag)}
       html    = %q{<a flag></a>}
       locals  = {}