They also are free to depart from their parties platform. Still, in general Republicans are in favor of the current limitations of marriage to heterosexual couples and Libertarians are opposed to those limitations, specifically because the limitation excludes gays.
I posted the platform, you are wrong. Libertarians are against the government regulation of personal relationships. You simply have no idea what you are talking about.
I'll try again. Same link. http://www.lp.org/platform
Same quote.
1.3 Personal Relationships
Sexual orientation, preference, gender, or gender identity should have no impact on the
government's treatment of individuals, such as in current marriage, child custody, adoption,
immigration or military service laws. Government does not have the authority to define, license or
restrict personal relationships. Consenting adults should be free to choose their own sexual practices
and personal relationships.
I bolded the pertinent section, linked to the platform of the actual party, and copied/pasted the relevant area...
Read up before you start making claims about things like this. There's this thing called "google" it will help you.