Created attachment 685644 [details, diff] patch to Makefile.in for man page installation qlist app-text/html2text gives /usr/share/man/man5.bz2 /usr/share/man/man1.bz2 The attached patch fixes this.
https://github.com/grobian/html2text/commit/05364c1028026a87d6f45130a8e86e1ee67704d2
Fixed in >= 2.0.1.