After some useful reader feedback, I was going through the old chapters and realized there were some issues - formatting not there, words messed up, some were clear writer mistakes, others were things like "I think I had a line here but it's not."
So, I redid everything in Markdown, and hopefully once all of the updated files are done working their way through the tubes that make up the Internet, there should be less issues.
We'll see. My goal is to have Invention II finally wrapped up at the end of the year. But the best laid plans of mice and men....