lib/nanoc/base/entities/content.rb in nanoc-4.0.0rc1 vs lib/nanoc/base/entities/content.rb in nanoc-4.0.0rc2

@@ -13,10 +13,10 @@
       # @return [String, nil]
       attr_reader :filename
 
       # @param [String, nil] filename
       def initialize(filename)
-        if filename && !filename.start_with?('/')
+        if filename && Pathname.new(filename).relative?
           raise ArgumentError, 'Content filename is not absolute'
         end
 
         @filename = filename
       end