Error message

Deprecated function: Using ${var} in strings is deprecated, use {$var} instead in include_once() (line 1442 of includes/bootstrap.inc).
Deprecated function: Using ${var} in strings is deprecated, use {$var} instead in include_once() (line 1442 of includes/bootstrap.inc).
Deprecated function: Optional parameter $type declared before required parameter $nid is implicitly treated as a required parameter in include_once() (line 1442 of includes/bootstrap.inc).

According to Art. 52(2)(c) EPC, schemes, rules and methods for performing mental acts, playing games or doing business are not to be regarded as inventions.