fix (equal? #<tuple> #<tuple>)
fix (equal? #<tuple> #<tuple>)

paines/ypsilon,letoh/ypsilon,paines/ypsilon,paines/ypsilon,tectronics/ypsilon,letoh/ypsilon,david135/ypsilon,suhorng/ypsilon-fork,fujita-y/ypsilon,david135/ypsilon,fujita-y/ypsilon,letoh/ypsilon,suhorng/ypsilon-fork,tectronics/ypsilon,david135/ypsilon,suhorng/ypsilon-fork