Xah Emacs Blog Archive 2020-09

Ruby Creator Matz on How Emacs Changed My Life (2012) , repost

• Emacs Flaw: Problems of grep
• Emacs Flaw: Inconsistency of Search Commands

minor update and repost

new version of my emacs tutorial out. Sent to previous buyers. Buy it at Buy Xah Emacs Tutorial

Emacs, Why You Should Not Use the Package Dash (2020) , added a video by rms

Xah Talk Show 2020-12-22 live coding emacs lisp, xah fly keys + batman keyboard, math history books

repost Emacs Flaw: the Scratch Buffer

Emacs: Save Split Windows Configuration , minor update.

• Top (ELISP Manual)
• Top (Emacs Manual)

updated my copy of emacs manual version 25 to 27.

Emacs: Xah Fly Keys 📦 update. Now jump-to-register has key 【space n m】. To be used with window-configuration-to-register 【space n ;】 and frameset-to-register 【space n '】. All dvorak notation.

Emacs Flaw: Texinfo Should be HTML (2009)

Xah Talk Show 2020-12-18, emacs random talk, org vs html, keyboard layout vs shortcut layout

• Emacs: Name Completion
• Emacs: Hippie Expand
• Emacs: ido mode
• emacs init: Ido Config

updated

fixed xah-css-compact-css-region , added xah-css-compact-css-buffer , Emacs: Xah CSS Mode 📦

Emacs Lisp Function Frequency , updated

• Emacs: Open File in External App 📜

xah-open-in-terminal now, on Microsoft Windows, it starts cross-platform PowerShell pwsh. You need to have it installed.

Elisp: Hash Table , minor format change.

Elisp: Batch Find Replace old article. added to the elisp examples panel.

coded in emacs lisp in past 5 hours.

• Elisp: Function Naming, String Equal

Emacs: HTML. Move Image File 📜 , fixed a bug where removing meta info don't work.

Emacs: Org Mode, Work with Source Code (org-babel) , minor update

Emacs: Upcase Sentences 📜 now works better in html modes.

Emacs: HTML. Move Image File 📜 updated code. now shell output buffer don't clash.

Elisp: Buffer Functions , minor update. reformat.

Elisp: provide, require, features minor update

Emacs: HTML. Move Image File 📜 , updated code. xah-move-image-file Now call exiftool afterwards to remove metadata, if the command is available.

Emacs: Xah Dired Mode (xah-dired.el) 📦 , updated code xah-image-autocrop. Now auto call optipng if available.

Emacs Keys: Key Sequence , minor update. thanks to ctietze

Emacs Flaw: Why Emacs Keys are Painful

Elisp: Docstring Markup , updated.

emacs init: Show Line Numbers updated.

Xah Talk Show 2020-12-02 emacs Sentence Lines, my RSI, Microsoft Sculpt Keyboard, Function Keys

Emacs: Upcase Sentences 📜 , Code update. Now in html, if space follows p tag, still works.

updated. Best Keyboards for Emacs

I got a Microsoft Sculpt Ergonomic Keyboard. Because i need a wireless. Not bad. But the key feel is not great for long typing session. I think i gonna need Epomaker Niz Plum . Never try to save on keyboard, you end up spending more.

been typing too much again.

• Computer Keyboard Hand Pain, Year 2020 (Left Forearm Hurts)

EmacsConf 2020 morrow

EmacsConf 2020 https://emacsconf.org/2020/ Nov 28, 29 9am-5pm Toronto/EST time; equivalently, 6am-2pm PST, 2pm-10pm UTC, 3pm-11pm Zurich/CET

thanks to sacha https://x.com/sachac/status/1332704763742449668

Author of Intro to Emacs Lisp Robert J Chassell Died , added a book photo

new version is made. buy it. Buy Xah Emacs Tutorial

• Elisp: Vector
• Elisp: Types of Functions

minor format updates.

Emacs: Open File in External App 📜 , fixed xah-open-in-terminal on macOS now won't close terminal if emacs quit.

Emacs: Open File in External App 📜 , fixed xah-show-in-desktop on Mac. So when in dired and cursor is not on a file, still works.

• Emacs vs vsCode Memory

Xah Fly Keys Testimonial , new love

reformated:

• Emacs: Regular Expression
• Elisp: Sequence Functions
• Elisp: List

Emacs: Repeat Last Command , added a section about repeat command.

These commands are very useful. I use it daily now. repeat-complex-command repeat

See also:

• Emacs: Repeat Last Command
• Emacs: multiple-cursors-mode vs plain emacs

installed emacs 27.1 on Windows 10

it fixed the problem of emacs being slug slow when you have chinese or unicode math symbols in buffer. Sometimes each cursor movement takes half a second.

this is because emacs 27 uses HarfBuzz text engine.

Emacs: Download , updated

Elisp: HTML. Chinese Char To Reference Link , updated code.

Emacs: Change Brackets 📜 , minor code update. better names in prompt.

• Worn Keyboards

Computer Keyboard Hand Pain, Year 2020 (Left Forearm Hurts)

This Emacs Pinky, pained me from 2018 to 2020. but now, it's mostly cured! Once you found the source of RSI, then things are good.

Emacs: Compile TypeScript File 📜 , renamed xah-ts-compile-file to xah-typescript-compile-file

Emacs: Run Current File 📜 , code update. now JavaScript and TypeScript code runs in deno (instead of node.js). Requires deno.

Emacs: Open File Path Under Cursor 📜 , code update. now can open html file with #fractionPart

• Emacs: Real Automatic Save File
• emacs init: Intro

updated. emacs 27.1 change. focus-out-hook to after-focus-change-function

Emacs: Byte Compile Elisp Files

once in a while, byte compile your init files or elisp code, to discover emacs changes and other warnings.

Fixed yesterday's Chinese font update. emacs init: Set default font , See also: CSS: Chinese font guide 黑體 宋體

Emacs: Xah Elisp Mode 📦 code update. Added after-focus-change-function

• Best Unicode Fonts for Coders
• emacs init: Set default font
• Emacs: Cycle Fonts by Command 📜

minor updates.

am becoming a god at 4chan

Xah Talk Show 2020-10-03 Dumang Dk6 Keyboard, Idiocy of Typography, emacs, python MapThread

new version of my Emacs Tutorial is out. Buy it now! Buy Xah Emacs Tutorial Update sent to previous buyers.

• Emacs: Show Image Thumbnails
• Emacs: View Image File

major updates.

Emacs: Xah JS Mode (JavaScript) 📦 now support TypeScript. Still lots to work on. donate $$$ me.

Xah Talk Show 2020-09-23 Emacs Lisp Format JavaScript, the Idiocy of Formatting Style Guide

receiving bug report response after 12 years. Nice.

Not the first time it happened.

By the way, Lars Ingebrigtsen is a nice guy. He wrote gnus and Emacs: eww web browser

See also: Emacs Flaw: The Mode Line

Elisp: Symbol vs String. Symbol Pollutes Symbol Table.

QWERTY Dvorak Layout Conversion Table

now the key layout diagram supports workman

• Emacs: Xah Fly Keys 📦
• Emacs: Xah Fly Keys Tutorial
• Xah Fly Keys Layout for Kinesis/Ergodox Keyboard

Xah Talk Show 2020-09-15 Emacs Lisp Live Coding + Tutorial. insert-br-tag

Xah Talk Show 2020-09-13 emacs lisp xah-remove-console-log, live coding + tutorial

Emacs: Reformat Lines for Source Code 📜 , xah-reformat-lines now always make long line first. so, can be used in key macro.

code update

xah-run-current-file now use deno instead node for js. Emacs: Run Current File 📜

Changed (region-active-p) to (use-region-p) for the following commands:

• xah-paste-or-paste-previous Emacs: Paste or Paste Previous 📜
• xah-upcase-sentence Emacs: Upcase Sentences 📜
• xah-reformat-to-multi-lines Emacs: Reformat Lines for Source Code 📜
• xah-append-to-register-1 Emacs: Copy, Paste, Append, Clear, Register 1 📜
• xah-clean-empty-lines Emacs: Clean Empty Lines 📜
• xah-clean-whitespace Emacs: Clean Empty Lines 📜

Emacs: xah-fix-datetime 📜 , on its own page and code update. Was at Elisp: Parse Date Time

• Emacs: Insert Date Time 📜
• Elisp: Print Date Time
• Elisp: Parse Date Time

updated

Xah Talk Show 2020-09-07 Emacs Lisp, Insert/Parse Date Time

Testimonial on Xah Emacs Tutorial

Xah Talk Show 2020-09-05, emacs lisp coding, write command to display html hr tag as line

Xah Talk Show 2020-09-04 Emacs Lisp. File Path to Link, Image Link, Get Title, Image Dimension

How to Avoid Emacs Pinky , minor updates.

Use Proportional Font for Code

Emacs: Toggle Monospace / Proportional Font

• Emacs: View Info Page
• Emacs: View man Page

updated