less-479 has been released for beta testing. You can download it from http://www.greenwoodsoftware.com/less/download.html
The release notes are at http://greenwoodsoftware.com/less/news.479.html This version fixes overly strict checking of LESSOPEN which prevented double percent escapes from working. It also gives the configure script execute permission. If you find any bugs or have any comments, please send email to bug-l...@gnu.org. --Mark