xah talk show 2022-04-09 emacs 28, icomplete, fido, replace ido, and smex

• Emacs: icomplete mode, fido mode
• icomplete, fido, replace ido, and smex.
• explain, the whole icomplete set of commands
• explain, icomplete is for all commands, ido is just for files and buffers.
• show config for emacs 28.
• overview of history, of icomplete, iswitch, ido, fido.

• some say about xah packages. massive better xah html mode. Now, tab is the leader key.