Add a link to a preprint from CSTUG Bulletin to README.md

README.md

@@ -194,8 +194,9 @@ For further information, consult one of the following:
     - [Rendering Markdown inside TeX Documents][10.5300/2016-1-4/78],
     - [Markdown 2.8.1: Boldly Unto the Throne of Lightweight Markup in TeX][10.5300/2020-1-2/48],
     - [Markdown 2.10.0: LaTeX Themes & Snippets][10.5300/2021-1-4/76],
-    - [Direct Typesetting of Various Document Formats in TeX Using the Pandoc Utility][10.5300/2021-1-4/83], and
-    - [High-Level Languages for TeX][10.5300/2022-1-4/35].
+    - [Direct Typesetting of Various Document Formats in TeX Using the Pandoc Utility][10.5300/2021-1-4/83],
+    - [High-Level Languages for TeX][10.5300/2022-1-4/35], and
+    - [Markdown 3: What's New, What's Next?][10.5300/2023-?-?/??].
 6. Talks:
     - [Five Years of Markdown in LaTeX: What, Why, How, and Whereto][pv212-fall2020] (in Czech),
     - [Markdown 2.10.0: LaTeX Themes & Snippets, Two Flavors of Comments, and LuaMetaTeX][tb131-video] ([slides][tb131-slides]),
@@ -237,6 +238,8 @@ For further information, consult one of the following:
  [10.5300/2021-1-4/83]: https://www.doi.org/10.5300/2021-1-4/83 "Direct Typesetting of Various Document Formats in TeX Using the Pandoc Utility"
  [10.5300/2022-1-4/35]: https://www.doi.org/10.5300/2022-1-4/35 "High-Level Languages for TeX"
 
+ [10.5300/2023-?-?/??]: https://github.com/witiko/markdown-3-whats-new-whats-next/releases/download/latest/main.pdf "Markdown 3: What's New, What's Next?"
+
  [pv212-fall2020]: https://is.muni.cz/elearning/io/?qurl=%2Fel%2Ffi%2Fpodzim2020%2FPV212%2Findex.qwarp;prejit=5595952
 
  [install]:  https://mirrors.ctan.org/macros/generic/markdown/markdown.html#installation "Markdown Package User Manual"