parameters: (alias, canonical)
docstring: Add a character set alias.
  
      alias is the alias name, e.g. latin-1
      canonical is the character set's canonical name, e.g. iso-8859-1
docstring_summary: Add a character set alias.
docstring_tokens: Add a character set alias .
function: def add_alias(alias, canonical):
      """Add a character set alias.
  
      alias is the alias name, e.g. latin-1
      canonical is the character set's canonical name, e.g. iso-8859-1
      """
      ALIASES[alias] = canonical
function_tokens: def add_alias ( alias , canonical ) : ALIASES [ alias ] = canonical