TaskPaper to (GitHub Flavored) Markdown

This blog post describes the author's updates to a script that converts TaskPaper files to GitHub Flavored Markdown. Initially created 15 years ago, the script now includes several modernizations such as fixing processor flags and adding features like GFM-style checkboxes and the ability to accept input via STDIN. The author reflects on their long history with this type of programming while inviting suggestions and improvements from others.