update grammar to support #

lib/liquid/block_body.rb

@@ -4,7 +4,7 @@ require 'English'
 
 module Liquid
   class BlockBody
-    LiquidTagToken      = /\A\s*(\w+)\s*(.*?)\z/o
+    LiquidTagToken      = /\A\s*([\w#]+)\s*(.*?)\z/o
     FullToken           = /\A#{TagStart}#{WhitespaceControl}?(\s*)(\w+)(\s*)(.*?)#{WhitespaceControl}?#{TagEnd}\z/om
     ContentOfVariable   = /\A#{VariableStart}#{WhitespaceControl}?(.*?)#{WhitespaceControl}?#{VariableEnd}\z/om
     WhitespaceOrNothing = /\A\s*\z/

test/integration/inline_comment_test.rb

@@ -7,7 +7,7 @@ class InlineCommentTest < Minitest::Test
 
   def test_basic_usage
     template_source = <<-END_TEMPLATE
-    foo{% -- this is a comment %}bar
+    foo{% # this is a comment %}bar
     END_TEMPLATE
     template        = Template.parse(template_source)
     rendered        = template.render!