The travel industry seems to be engaged in a curious courtship. Its targets are gay travelers. During a recession, they apparently are the one group that doesn’t change leisure habits too much, so airlines, hotels and tour operators are trying to win their business.

Courting gay customers is nothing new, of course. A few years ago, the creators of the popular Showtime series “Queer as Folk,” Ron Cowen and Daniel Lipman, told me that, during their research for an episode, they had discovered that gay Americans had hundreds of billions of dollars of disposable income. So the fight for shares of that income has been going on for a while — many airlines and booking engines have created dedicated pages on their Web sites for gay travel…