warn should add file and line unless /\n$/
warn should add file and line unless /\n$/

(This code assumes the warning should always put the file and line from the
user's program, not from the setting.)

nunorc/rakudo,LLFourn/rakudo,tbrowder/rakudo,Leont/rakudo,sjn/rakudo,nbrown/rakudo,Gnouc/rakudo,labster/rakudo,rakudo/rakudo,usev6/rakudo,ungrim97/rakudo,Gnouc/rakudo,ugexe/rakudo,ugexe/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,samcv/rakudo,jonathanstowe/rakudo,b2gills/rakudo,niner/rakudo,ugexe/rakudo,usev6/rakudo,sergot/rakudo,ab5tract/rakudo,Gnouc/rakudo,Leont/rakudo,nbrown/rakudo,niner/rakudo,samcv/rakudo,cognominal/rakudo,LLFourn/rakudo,ugexe/rakudo,cygx/rakudo,skids/rakudo,cognominal/rakudo,sjn/rakudo,rakudo/rakudo,usev6/rakudo,jonathanstowe/rakudo,lucasbuchala/rakudo,sergot/rakudo,softmoth/rakudo,softmoth/rakudo,labster/rakudo,labster/rakudo,salortiz/rakudo,sergot/rakudo,tbrowder/rakudo,salortiz/rakudo,rakudo/rakudo,jonathanstowe/rakudo,azawawi/rakudo,cognominal/rakudo,MasterDuke17/rakudo,zostay/rakudo,raydiak/rakudo,tony-o/rakudo,azawawi/rakudo,lucasbuchala/rakudo,softmoth/rakudo,tony-o/rakudo,rakudo/rakudo,b2gills/rakudo,softmoth/rakudo,cognominal/rakudo,cygx/rakudo,laben/rakudo,MasterDuke17/rakudo,ab5tract/rakudo,paultcochrane/rakudo,paultcochrane/rakudo,raydiak/rakudo,dankogai/rakudo,awwaiid/rakudo,Gnouc/rakudo,laben/rakudo,zostay/rakudo,samcv/rakudo,laben/rakudo,zhuomingliang/rakudo,paultcochrane/rakudo,paultcochrane/rakudo,tony-o/rakudo,labster/rakudo,paultcochrane/rakudo,skids/rakudo,dankogai/rakudo,ab5tract/rakudo,azawawi/rakudo,Gnouc/rakudo,nunorc/rakudo,dankogai/rakudo,nbrown/rakudo,MasterDuke17/rakudo,ungrim97/rakudo,MasterDuke17/rakudo,cognominal/rakudo,cygx/rakudo,nbrown/rakudo,sjn/rakudo,salortiz/rakudo,sjn/rakudo,LLFourn/rakudo,nunorc/rakudo,zhuomingliang/rakudo,b2gills/rakudo,jonathanstowe/rakudo,ab5tract/rakudo,zostay/rakudo,skids/rakudo,b2gills/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,LLFourn/rakudo,awwaiid/rakudo,Leont/rakudo,Leont/rakudo,niner/rakudo,zhuomingliang/rakudo,dankogai/rakudo,ungrim97/rakudo,samcv/rakudo,ab5tract/rakudo,LLFourn/rakudo,nunorc/rakudo,salortiz/rakudo,laben/rakudo,awwaiid/rakudo,cygx/rakudo,usev6/rakudo,zhuomingliang/rakudo,tbrowder/rakudo,awwaiid/rakudo,tony-o/rakudo,raydiak/rakudo,lucasbuchala/rakudo,tony-o/rakudo,niner/rakudo,azawawi/rakudo,ungrim97/rakudo,dankogai/rakudo,rakudo/rakudo,softmoth/rakudo,ungrim97/rakudo,tony-o/rakudo,b2gills/rakudo,labster/rakudo,usev6/rakudo,salortiz/rakudo,skids/rakudo,rakudo/rakudo,ugexe/rakudo,azawawi/rakudo,nbrown/rakudo,skids/rakudo,zostay/rakudo,nbrown/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,raydiak/rakudo,awwaiid/rakudo,sjn/rakudo,Gnouc/rakudo,salortiz/rakudo,tbrowder/rakudo,samcv/rakudo,cygx/rakudo,labster/rakudo,sergot/rakudo