This is tangential to the topic, but of you use TeX or any related system (latex, texinfo, cweb, metapost, etc.), please consider becoming a TUG (TeX User Group

This is tangential to the topic, but of you use TeX or any related system (latex, texinfo, cweb, metapost, etc.), please consider becoming a TUG (TeX User Group) member. They rely on membership and donations to keep going (and there are some tangible benefits to being a member, too). https://tug.org/join.html https://tug.org/join.html