Man pages matching name afterstep in section 1x:

AfterStep.1x.en	debian 10 / afterstep
afterstep.1x.en	debian 10 / afterstep
AfterStep.1x.en	debian 11 / afterstep
afterstep.1x.en	debian 11 / afterstep
AfterStep.1x.en	debian 12 / afterstep
afterstep.1x.en	debian 12 / afterstep