Xah Talk Show 2025-09-04 Ep696 Emacs Lisp, Insert Date, Extend Selection, Generic Map Functions

Video Summary
(ai generated summary, correctness verified by me.)
- The video provides updates of the creator's emacs commands.
- These include a command to insert dates in various formats (1:52), an extend selection feature for selecting text more efficiently (7:34), and new commands for switching between user buffers (8:48).
- Later, the video delves into more technical Emacs Lisp concepts, specifically the map.el library and its generic map functions (12:20).
- The creator explains how these functions simplify working with key-value data structures like hash tables and association lists, and demonstrates the map-filter function (16:08).
- Towards the end, there's a broader discussion about programming language popularity, emphasizing the role of corporate support and a large user base for a language's success (25:47).
- Xah Fly Keys News
- Emacs: Insert Date Time 📜
- Emacs: Extend Selection 📜
- Emacs: Next/Previous User Buffer 📜
- Carp Lisp