"Tool to help turn minimally marked-up plain text into well formatted documents, including HTML, PDF (by way of LaTeX), OPML, or OpenDocument (specifically, Flat OpenDocument or ‘.fodt’ (...) MMD is a superset of the Markdown syntax, originally created by John Gruber. It adds multiple syntax features (tables, footnotes, and citations, to name a few)" (ib., 2016-12-03)
"convert XML and HTML to and from a line-oriented format more amenable to processing by classic Unix pipeline processing tools, like grep, sed, awk, cut, shell scripts, and so forth"
Link dead as of 2016-10-01, packages and source still available at https://packages.debian.org/sid/xml2
"Recorded data can be played back with the included ttyplay command. ... recording timing information with microsecond accuracy as well. It can record emacs -nw, vi, lynx, or any programs running on tty."
"a drop-in replacement for the original AsciiDoc Python processor (...) Asciidoctor recognizes additional markup and formatting options, such as font-based icons (e.g., icon:fire) and UI elements (e.g., button:[Save]). Asciidoctor also offers a modern, responsive theme based on Foundation to style the HTML5 output."
"a text document format for writing notes, documentation, articles, books, ebooks, slideshows, web pages, man pages and blogs. AsciiDoc files can be translated to many formats including HTML, PDF, EPUB, man page."