(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
Add a character set alias.
Add a character set alias .
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
def add_alias ( alias , canonical ) : ALIASES [ alias ] = canonical