https://rubygems.org/gems/htmldoc
htmldoc | RubyGems.org | your community gem host
your communityhtmldocrubygemshost
https://lwn.net/Articles/895356/
Debian alert DLA-3004-1 (htmldoc) [LWN.net]
debianalertdla30041
https://ubuntu.com/security/notices/USN-5438-2
USN-5438-2: HTMLDOC vulnerability | Ubuntu security notices | Ubuntu
Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
usn54382htmldocvulnerability
https://snapcraft.io/install/htmldoc/rhel
Install htmldoc on Red Hat Enterprise Linux using the Snap Store | Snapcraft
Get the latest version of htmldoc for on Red Hat Enterprise Linux - HTML and Markdown conversion utility
red hat enterprise linux
https://htmldoc.ru/
htmldoc.ru
htmldocru