url.lfs:https://linuxfromscratch.org/lfs/view/11.1/chapter08/perl.html
url.lfs.stage1:https://linuxfromscratch.org/lfs/view/11.1/chapter07/perl.html

url_lfs-11.1:https://linuxfromscratch.org/lfs/view/11.1/chapter08/perl.html
url_lfs-11.0:https://linuxfromscratch.org/lfs/view/11.0/chapter08/perl.html

url_lfs-11.1.stage1:https://linuxfromscratch.org/lfs/view/11.1/chapter07/perl.html
url_lfs-11.0.stage1:https://linuxfromscratch.org/lfs/view/11.0/chapter07/perl.html