Nokogiri::XML.fragment() supports argument forwarding

Related to https://github.com/sparklemotion/nokogiri#3323

lib/nokogiri/xml.rb

@@ -29,10 +29,9 @@ def parse(thing, url = nil, encoding = nil, options = ParseOptions::DEFAULT_XML,
         Document.parse(thing, url, encoding, options, &block)
       end
 
-      ####
-      # Parse a fragment from +string+ in to a NodeSet.
-      def fragment(string, options = ParseOptions::DEFAULT_XML, &block)
-        XML::DocumentFragment.parse(string, options, &block)
+      # Convenience method for Nokogiri::XML::DocumentFragment.parse
+      def fragment(...)
+        XML::DocumentFragment.parse(...)
       end
     end
   end

test/xml/test_document_fragment.rb

@@ -386,6 +386,16 @@ def test_for_libxml_in_context_memory_badness_when_encountering_encoding_errors
               end
             end
 
+            it "accepts kwargs" do
+              frag = Nokogiri::XML.fragment(input, options: xml_default)
+              assert_equal("<a>foo</a>", frag.to_html)
+              refute_empty(frag.errors)
+
+              assert_raises(Nokogiri::SyntaxError) do
+                Nokogiri::XML.fragment(input, options: xml_strict)
+              end
+            end
+
             it "takes a config block" do
               default_config = nil
               Nokogiri::XML.fragment(input) do |config|