Escape utils is used in Blob

lib/linguist/blob_helper.rb

@@ -2,6 +2,7 @@ require 'linguist/language'
 require 'linguist/mime'
 require 'linguist/pathname'
 
+require 'escape_utils'
 require 'yaml'
 
 module Linguist

lib/linguist/pathname.rb

@@ -108,6 +108,9 @@ module Linguist
       @binary ||= Mime.binary?(extname)
     end
 
+    # Public: Return self as String
+    #
+    # Returns a String
     def to_s
       @path.dup
     end