# File lib/rdoc/markup/attribute_manager.rb, line 178 def mask_protected_sequences # protect __send__, __FILE__, etc. @str.gsub!(/__([a-z]+)__/i, "_#{PROTECT_ATTR}_#{PROTECT_ATTR}\\1_#{PROTECT_ATTR}_#{PROTECT_ATTR}") @str.gsub!(/\\([#{Regexp.escape @protectable.join('')}])/, "\\1#{PROTECT_ATTR}") end