def _escape_char(c):
    "Single char escape. Return the char, escaped if not already legal"
    if isinstance(c, int):
        c = _unichr(c)
    return c if c in LEGAL_CHARS else ESCAPE_FMT % ord(c)
def _escape_char ( c ) : if isinstance ( c , int ) : c = _unichr ( c ) return c if c in LEGAL_CHARS else ESCAPE_FMT % ord ( c )
Single char escape. Return the char, escaped if not already legal