23maverick23
diff --git a/font_awesome.rb b/font_awesome.rb
 ##
 # The MIT License (MIT)
 # 
 # Copyright (c) 2014 Ryan Morrissey
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 # 
 # The above copyright notice and this permission notice shall be included in
 # all copies or substantial portions of the Software.
 # 
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 # 
 # 
 # Font Awesome Icons Liquid Tag
 # Documentation can be found at http://fontawesome.io/
 #
 # Example:
 #    {% icon fa-camera-retro %}
 #    {% icon fa-camera-retro fa-lg %}
 #    {% icon fa-spinner fa-spin %}
 #    {% icon fa-shield fa-rotate-90 %}

 module Jekyll
  class FontAwesomeTag < Liquid::Tag

    def render(context)
      if tag_contents = determine_arguments(@markup.strip)
        icon_class, icon_extra = tag_contents[0], tag_contents[1]
        icon_tag(icon_class, icon_extra)
      else
        raise ArgumentError.new <<-eos
 Syntax error in tag 'icon' while parsing the following markup:

  #{@markup}

 Valid syntax:
  for icons: {% icon fa-camera-retro %}
  for icons with size/spin/rotate: {% icon fa-camera-retro fa-lg %}
 eos
      end
    end

    private

    def determine_arguments(input)
      matched = input.match(/\A(\S+) ?(\S+)?\Z/)
      [matched[1].to_s.strip, matched[2].to_s.strip] if matched && matched.length >= 3
    end

    def icon_tag(icon_class, icon_extra = nil)
      if icon_extra.empty?
        "<i class=\"fa #{icon_class}\"></i>"
      else
        "<i class=\"fa #{icon_class} #{icon_extra}\"></i>"
      end
    end
  end
 end

 Liquid::Template.register_tag('icon', Jekyll::FontAwesomeTag)