fallback to default details link text

lib/jekyll/scholar/tags/cite_details.rb

@@ -3,24 +3,24 @@ module Jekyll
 
     class CiteDetailsTag < Liquid::Tag
       include Scholar::Utilities
-      
+
       attr_reader :key, :text
-    
+
       def initialize(tag_name, arguments, tokens)
         super
-        
+
         @config = Scholar.defaults.dup
-        @key = arguments.strip.split(/\s+/,2)[0]
-        @text = arguments.strip.split(/\s+/,2)[1]
+        @key = arguments.strip.split(/\s+/, 2)[0]
+        @text = arguments.strip.split(/\s+/, 2)[1] || @config['details_link']
       end
 
       def render(context)
         set_context_to context
         cite_details key, text
       end
-      
+
     end
-    
+
   end
 end