templates/helpers.rb in asciidoctor-revealjs-1.1.1 vs templates/helpers.rb in asciidoctor-revealjs-1.1.3

@@ -51,10 +51,10 @@
     attrs = attributes.inject([]) do |attrs, (k, v)|
       next attrs if !v || v.nil_or_empty?
       v = v.compact.join(' ') if v.is_a? Array
       attrs << (v == true ? k : %(#{k}="#{v}"))
     end
-    attrs_str = attrs.empty? ? '' : attrs.join(' ').prepend(' ')
+    attrs_str = attrs.empty? ? '' : ' ' + attrs.join(' ')
 
 
     if VOID_ELEMENTS.include? name.to_s
       %(<#{name}#{attrs_str}>)
     else