@@ -2,7 +2,7 @@ require './plugins/pygments_code'

 module BacktickCodeBlock

   include HighlightCode

-  AllOptions = /([^\s]+)\s+(.+?)(https?:\/\/\S+|\/\S+)\s*(.+)?/i

+  AllOptions = /([^\s]+)\s+(.+?)\s+(https?:\/\/\S+|\/\S+)\s*(.+)?/i

   LangCaption = /([^\s]+)\s*(.+)?/i

   def render_code_block(input)

     @options = nil

@@ -49,8 +49,8 @@ module Jekyll

   class CodeBlock < Liquid::Block

     include HighlightCode

     include TemplateWrapper

-    CaptionUrlTitle = /(\S[\S\s]*)\s+(https?:\/\/)(\S+)\s+(.+)/i

-    CaptionUrl = /(\S[\S\s]*)\s+(https?:\/\/)(\S+)/i

+    CaptionUrlTitle = /(\S[\S\s]*)\s+(https?:\/\/\S+|\/\S+)\s*(.+)?/i

+    CaptionUrl = /(\S[\S\s]*)\s+(https?:\/\/\S+|\/\S+)/i

     Caption = /(\S[\S\s]*)/

     def initialize(tag_name, markup, tokens)

       @title = nil

@@ -63,10 +63,10 @@ module Jekyll

       end

       if markup =~ CaptionUrlTitle

         @file = $1

-        @caption = "<figcaption><span>#{$1}</span><a href='#{$2 + $3}'>#{$4}</a></figcaption>"

+        @caption = "<figcaption><span>#{$1}</span><a href='#{$2}'>#{$3}</a></figcaption>"

       elsif markup =~ CaptionUrl

         @file = $1

-        @caption = "<figcaption><span>#{$1}</span><a href='#{$2 + $3}'>link</a></figcaption>"

+        @caption = "<figcaption><span>#{$1}</span><a href='#{$2}'>link</a></figcaption>"

       elsif markup =~ Caption

         @file = $1

         @caption = "<figcaption><span>#{$1}</span></figcaption>\n"

new file mode 100644

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