This clause was carried over to JSMin-PHP, a variation of JSMin by Ryan Grove. This software was hosted on Google Code until December 2009 when, due to the additional clause, Google determined that the license was not compliant with the definition of free and open source software, which does not permit any restriction on how software may be used.
This clause was included in JSMin-PHP, a modification of JSMin by Ryan Grove. The software was hosted on Google Code until December 2009 when, owing to the additional clause, Google deemed that the license didn't align with the definition of free and open source software, which prohibits any restrictions on software usage.