class Rouge::Formatters::HTML

special characters replaced with their escaped counterparts.
Returns either the given `value` argument string as is or a new string with the

a substitution is imminent.
a substitution occurs. This method however invokes `String#gsub` only if
`String#gsub` will always return a new string instance irrespective of whether

HTML from this formatter.
A performance-oriented helper method to escape `&`, `<` and `>` for the rendered

def escape_special_html_chars(value)
  escape_regex = /[&<>]/
  return value unless value =~ escape_regex
  value.gsub(escape_regex, TABLE_FOR_ESCAPE_HTML)
end