# File lib/html5/tokenizer.rb, line 491
    def after_attribute_name_state
      data = @stream.char
      if SPACE_CHARACTERS.include? data
        @stream.chars_until(SPACE_CHARACTERS, true)
      elsif data == "="
        @state = :before_attribute_value_state
      elsif data == ">"
        emit_current_token
      elsif data == :EOF
        @token_queue << {:type => :ParseError, :data => "expected-end-of-tag-but-got-eof"}
        emit_current_token
      elsif ASCII_LETTERS.include? data
        @current_token[:data].push([data, ""])
        @state = :attribute_name_state
      elsif data == "/"
        process_solidus_in_tag
        @state = :before_attribute_name_state
      else
        @current_token[:data].push([data, ""])
        @state = :attribute_name_state
      end
      return true
    end