Enhance the Fixnum class with a XML escaped character conversion.

Methods
H
X
Constants
XChar = Builder::XChar if ! defined?(XChar)
 
Instance Public methods
html_safe?()
# File activesupport/lib/active_support/core_ext/string/output_safety.rb, line 58
def html_safe?
  true
end
xchr()

XML escaped version of chr

# File activesupport/lib/active_support/vendor/builder-2.1.2/builder/xchar.rb, line 93
def xchr
  n = XChar::CP1252[self] || self
  case n when *XChar::VALID
    XChar::PREDEFINED[n] or (n<128 ? n.chr : "&##{n};")
  else
    '*'
  end
end