Xah Talk Show 2019-07-02. emacs lisp, interactive form, universal arg. concave surface keyboards

the spice must flow

• Elisp: Command to Extract URL
• Elisp: Interactive Form
• Elisp: Get universal-argument

• Kinesis Advantage2 Keyboard
• Dactyl keyboard
• Dactyl Manuform Keyboard
• Colosseum Keyboard