The comic was designed to aid the fight against Section 28. At that time Alan Moore, who was in a relationship with his wife and their girlfriend, felt that the law was heterosexist and that it would obviously affect them personally. To help their fight Moore formed Mad Love, his own publishing company, to release AARGH!.
The title was a mixed collection of almost 40 stories, mostly comics with some text pieces. Moore himself contributed an eight-page story called "The Mirror of Love", with Steve Bissette and Rick Veitch providing art. Other creators included Robert Crumb, Howard Cruse, Hunt Emerson, Neil Gaiman, Dave Gibbons, Los Bros Hernandez, Garry Leach, Dave McKean, Frank Miller, Harvey Pekar, Savage Pencil, Bill Sienkiewicz, Dave Sim, Posy Simmonds, Art Spiegelman, and Bryan Talbot.
Clause 28 was eventually repealed in 2003. Moore has also reworked "The Mirror of Love" with illustrator José Villarrubia for Top Shelf Productions.
Based on a Wikipedia article.