lobotimize HTML-Tagset to install on v5.8 libwww-perl/HTML-Tagset#14

Author: briandfoy

.github/workflows/linux.yml

@@ -90,6 +90,25 @@ jobs:
             - name: Setup environment
               run: |
                 echo "PERL_LWP_SSL_VERIFY_HOSTNAME=0" >> $GITHUB_ENV
+# HTML::Tagset bumped its minimum version to v5.10 for no good reason
+# but this is a prereq to LWP, which runs on v5.8. To get around this,
+# download the tarball and fix it for v5.8.
+# 1. remove the META files which have references to v5.10 and ignore
+# the warnings
+# 2. fix Makefile.PL to remove two references to v5.10
+# https://github.com/libwww-perl/HTML-Tagset/pull/14
+            - name: fix html-tagset for v5.8
+              if: env.PERL_VERSION == 'v5.8'
+              run: |
+                curl -L -O https://cpan.metacpan.org/authors/id/P/PE/PETDANCE/HTML-Tagset-3.24.tar.gz
+                tar -xzf HTML-Tagset-3.24.tar.gz
+                cd HTML-Tagset-3.24
+                rm META.*
+                mv Makefile.PL Makefile.PL.orig
+                perl -n -e 'next if /(^use 5)|(MIN_PERL)/; print' Makefile.PL.orig > Makefile.PL
+                cpan -T .
+                cd ..
+                pwd
 # I had some problems with openssl on Ubuntu, so I punted by installing
 # cpanm first, which is easy. I can install IO::Socket::SSL with that,
 # then switch back to cpan. I didn't explore this further, but what you