don't use Array.include -- it's less supported and isn't clearer to read
don't use Array.include -- it's less supported and isn't clearer to read

sagemathinc/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc