improved cite details tag

lib/jekyll/scholar/tags/cite_details.rb

@@ -10,13 +10,12 @@ module Jekyll
         super
 
         @config = Scholar.defaults.dup
-        @key = arguments.strip.split(/\s+/, 2)[0]
-        @text = arguments.strip.split(/\s+/, 2)[1]
+        @key, @text = arguments.strip.split(/\s+/, 2)
       end
 
       def render(context)
         set_context_to context
-        cite_details key, text || config['details_link']
+        cite_details key, text
       end
 
     end

lib/jekyll/scholar/utilities.rb

@@ -81,10 +81,8 @@ module Jekyll
       end
       
       def cite_details(key, text)
-        entry = bibliography[key]
-      
         if bibliography.key?(key)
-          link_to details_link_for(entry), text
+          link_to details_link_for(bibliography[key]), text || config['details_link']
         else
           "(missing reference)"
         end