WEBVTT

NOTE Introduction: Amin Bandali, software developer and free software activist

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[Sacha]: Let me do the thing. Go live.

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Let's check in.

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Alright, hello.

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This is Emacs Chat 21 coming back after a decade of not

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doing it, so…

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And today I've got Amin Bandali who's a…

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Is it seven years now that we've been doing

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EmacsConf together?

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[Amin]: I think so.

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Since fall 2019.

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Yeah.

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[Sacha]: Yeah, yeah, yeah, yeah.

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But of course you also do a whole lot of other things.

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I was looking through your Emacs configuration and

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there's like translation and other stuff in there.

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So would you like to start off with a brief

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introduction of who you are

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and how and why you use Emacs?

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[Amin]: Yeah, sure.

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Yeah, first of all, hello, everyone.

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Sorry if I'm looking to the side.

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This is a new setup.

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My laptop, which has my webcam, is there, but my main

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display is here.

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So I might be looking to the side from time to time.

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But yeah, that aside, hello.

NOTE Aspects of life: notetaking, editing, multiple

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Yeah, I'm Amin Bandali.

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I've been, I think, using Emacs since 2014 or 15, so I

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guess more than a decade now.

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I'm a software engineer by day, or software developer,

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slash programmer, slash computing scientist.

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I'm also a free software activist.

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I volunteer on a lot of free software projects as

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well, which Sacha mentioned.

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I do things around GNU.

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I volunteer with FSF.

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I'm a Debian Developer, so I try to maintain some

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packages in Debian.

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I try to help run EmacsConf from time to time.

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Hopefully this year I will be much more present.

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But yeah, that's that.

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So I first got into using Emacs, I guess, as a

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programmer tool, like as a text editor.

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But I've since then kind of integrated it into a lot

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of other aspects of my life.

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And I do much more with it, as I'm sure a lot of us do.

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Yeah, so I use it for kind of note-taking, just any

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writing, editing purposes

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in multiple natural and programming languages.

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Reading and sending email for chatting via IRC.

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All of that good stuff.

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[Sacha]: This is the sort of thing that isn't

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immediately obvious from your configuration.

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I know you've got your Gnus setup in there and you've

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got your ERC setup in there, but sometimes when

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newcomers are trying to figure out, okay, there are

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all these packages, but how do I use them

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to get stuff done?

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That's one of the reasons why we want to do this Emacs

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chat, so that maybe you can show us

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some of the cool stuff.

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We are live, but if you accidentally show something

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personal, let me know and I can kill the stream within

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10 seconds and I think then we can be like, okay,

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we'll just flush that out and then come back once

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we've hidden the top secret plans for taking over the

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world, that sort of thing.

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Sounds good.

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Where do we want to start?

NOTE Configuration: keeping things simple

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[Amin]: I'm happy to do it however you like.

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I can either share my screen, pull up my configuration.

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Yeah, okay, so let's do that.

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[Sacha]: Yeah.

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If you share your screen sometimes, I think what we

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did ages ago was we just started walking through the

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configuration and then sometimes people say, oh yeah,

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that's really interesting.

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Let's go and demonstrate that so that people can get a

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sense of how this actually works.

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And there were some things in your configuration that

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I had no idea, like what is FFS?

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There's like no package.

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I couldn't find any information about it.

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But yeah, so your config, if you want to go ahead and

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share your screen while I

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Fill the air with hand-waving.

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Amin's config tends to be more on the minimalist side.

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I think you mostly rely on built-in things with a

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couple of external packages.

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You don't even use use-package at all.

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It's all run-at-idle-time to delay the startup of

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various things, and then it's all vanilla Emacs as you

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can get for loading and configuring things.

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[Amin]: Yeah, pretty much, yeah.

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Yeah, so before I continue, quick note, Sacha, if you

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can make me presenter because I don't have access to

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share my screen.

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[Sacha]: Oh, that would be important, yes.

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Hang on a second.

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Let me see.

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Okay, here we go.

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Make presenter.

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I might as well promote you to moderator while we're

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at it.

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There you go.

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You should now have magic powers.

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[Amin]: Thanks.

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Let's see.

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[Sacha]: It's a good thing we're practicing this

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before EmacsConf so I remember how all this stuff works.

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[Amin]: Yep, for sure.

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Okay, let's see.

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I think I got it now.

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Can you see my screen?

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[Sacha]: Yes, I can see your screen.

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[Amin]: Okay, excellent.

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Let's see.

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Okay.

NOTE user-lisp-directory, site-lisp if you're using an older Emacs

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Yeah, so as Sacha mentioned at the moment, my config

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is kind of very minimalist and kind of conservative by

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design, in part because I tend to work on a lot of

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different machines, whether it's for work or

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volunteering or whatever, and I prefer to use Emacs

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if I can.

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So I want my config to be fairly self-contained so I

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can easily either git clone or rsync it over.

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Yeah.

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To keep it simple, I was using package.el for a while

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for installing and managing my packages, which I don't

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keep in my configs repository.

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But then I decided to switch over to very manual

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package management with the awesome new feature

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user-lisp-directory of the next upcoming Emacs release,

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which basically you can give it a subdirectory in your

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~/.emacs.d or ~/.config/emacs.

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And then it'll go through all the Emacs Lisp files

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recursively, byte compile them, native compile them,

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all that good stuff, and add them to the load-path.

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And for people who are using existing or older

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releases of Emacs, there's also site-lisp by Philip

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Kaludercic, which is kind of the…

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I guess first implementation of what later became

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User Lisp and built into Emacs.

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So you can make it conditional and fall back to

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site-lisp if you want to be able to use User Lisp on

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older Emacs but still have your configuration be

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usable.

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Yeah, anyway.

NOTE Organizing configuration into modules

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So I've experimented with like a couple different ways

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of managing my configurations like single giant init

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file of like four or five thousand lines which I know

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is actually not very large by comparison to I think

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like someone like Sacha's configuration and also like

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You know, split into multiple different files, which

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has its own benefits.

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And I've kind of actually converged to the approach

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that Prot uses.

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If you actually take a look at my configuration file,

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you see I've drawn a lot of inspiration from Prot

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switches.

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Having a literate single file configuration, which

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then all of the Emacs Lisp source blocks get tangled

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to individual files.

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So I can maintain a single source of truth and edit it

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all in one place, but then also easily be able to

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share individual pieces to people if they want.

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So yeah, that's kind of the general approach.

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And I can dive right in.

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[Sacha]: Yeah, that's definitely the structure that

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I've also stolen from Prot.

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And I like the way that you're

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Your heading names are all long and descriptive, and

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you've got everything broken down in detail.

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So yeah, go ahead and walk us through it, please.

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[Amin]: Yeah, sure.

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Let's see.

NOTE
early-init
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0014.jpg
#+SCREENSHOT_TIME: 00:08:00.067

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So that's a brief introduction, and then I have an

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early init section for doing the early init file.

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There's a couple of subheadings here.

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Actually, let me enlarge the font size a little bit to

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make it more legible.

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OK, great.

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I do a couple of things here like disabling package at

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startup because I don't use package as I mentioned.

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I manually install and update my packages as git

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submodules in my configurations repository.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0015.jpg
#+SCREENSHOT_TIME: 00:08:15.567

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I set load-prefer-newer to t to make sure that I

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never load any stale code.

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For example, I might edit some Emacs Lisp file by hand

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and forget to byte compile or native compile it.

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And this tells Emacs to basically just use the version

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of these three variants that's the most recent.

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Yeah.

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Nothing super fancy here.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0016.jpg
#+SCREENSHOT_TIME: 00:08:35.700

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I turn off a couple of things that I find a little bit

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distracting, like the menu bar or toolbar.

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Although I do say here that for people who are new to

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Emacs, they're actually super helpful.

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Sure, it's a little bit of visual clutter, but in the

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beginning, it's really, really helpful to help you

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orient yourself of what mode you're in, what tools do

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you have available in your disposal.

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And even someone who's been using Emacs for more than

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10 years, I also use it sometimes when I'm like…

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just starting to use a new mode.

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So yeah, good stuff.

NOTE ring-bell-function

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[Sacha]: I was very amused by the comment on the…

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"I don't like getting jumpscared out of my chair."

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You turned off the bell.

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[Amin]: Yeah, because that actually used to happen

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when I first started using Emacs.

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Like when I would, I don't know, I don't even remember

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when it bells or rings, but

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Maybe if you like quit like with C-g or like try to

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backspace into like delete where there's no more

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characters to delete so it rings a bell and it's very

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like can be jarring so yeah I turn that off.

NOTE
performance optimizations
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0017.jpg
#+SCREENSHOT_TIME: 00:09:56.367

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[Sacha]: Yeah, and then you've got a whole bunch of

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things where you set some variables to nil temporarily

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to make it faster, so that's in your startup in garbage

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collection.

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[Amin]: Exactly.

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Empirically, there is no hard and fast science

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behind this.

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I experimented over the years.

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I'm pretty sure I believe the default, for example,

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the garbage collection cons threshold is about eight

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megabytes.

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I tried increasing that a little bit to see how much

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If I increase it to what point

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will it make my startup faster?

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And I found this 30 megabytes or mibibytes to be

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kind of a sweet spot.

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So I bump that up.

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And then after Emacs has finished initializing, in the

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after-init-hook, I just restore the defaults.

NOTE
user-lisp
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0018.jpg
#+SCREENSHOT_TIME: 00:10:51.900

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And then, yeah, this is the bit with

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the user-lisp-directory that I was talking about.

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Awesome stuff.

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So you can basically designate a directory.

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For example, in my configuration,

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it's just a lisp directory.

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And then on startup, Emacs will go through and

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byte-compile, native-compile if necessary, and then add all

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of that stuff to the load-path automatically.

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So you get that.

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Yeah, and then this is the bit about site-lisp that I

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was talking about.

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So if you want to use user-lisp, but you're still

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using older Emacs versions that you maintain, you need

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to maintain backward compatibility in your config.

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This is how you do it, for example.

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So you just yeah, add it to load-path, require it and

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then call prepare-user-lisp.

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That's about it.

NOTE ignoring byte compilation warnings

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[Sacha]: I'm picking up that tip about using the

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ignore directories.

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I'm getting by with just ignoring all of the byte

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compilation output, but it would be nice to just say,

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you know, that stuff is test.

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I don't need to worry about it.

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[Amin]: Right, right. Thanks. Yeah, I was also doing

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that.

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I actually have it as a comment to suppress

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warning types, like byte compilation, but I was…

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I plan on working on some packages,

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whether my own or others,

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and it would still be helpful to get those warnings,

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so I keep them enabled. It's still a bit annoying.

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I still get some of them when I launch emacs

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but I don't restart or launch emacs as frequently

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so it's pretty bearable.

NOTE
init-file-debug = --debug-init
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0019.jpg
#+SCREENSHOT_TIME: 00:12:00.400

00:11:55.240 --> 00:11:58.319
Yeah, and then I have the main init file.

00:11:58.320 --> 00:12:00.399
And there's not much in it.

00:12:00.400 --> 00:12:05.039
It's just the debug-on-error and debug-on-quit.

00:12:05.040 --> 00:12:08.879
So the debug-on-error thing, I set it to the value of

00:12:08.880 --> 00:12:09.999
init-file-debug.

00:12:10.000 --> 00:12:13.519
And if you look at that, the help for this variable,

00:12:13.520 --> 00:12:18.919
basically if you pass or launch Emacs with

00:12:18.920 --> 00:12:23.039
--debug-init, this variable will be true.

00:12:23.040 --> 00:12:26.279
So yeah.

00:12:26.280 --> 00:12:26.879
[Sacha]: I did not know that.

00:12:26.880 --> 00:12:28.933
Cool.

00:12:28.934 --> 00:12:30.079
[Amin]: Yeah, it's pretty helpful.

00:12:30.080 --> 00:12:32.879
I think, if I'm not mistaken, I took this from

00:12:32.880 --> 00:12:35.559
John Wiegley's dotemacs, but I can't remember for sure.

00:12:35.560 --> 00:12:36.239
It's been years.

00:12:36.240 --> 00:12:39.359
Yeah, it's pretty nice.

00:12:39.360 --> 00:12:44.319
And then here, I just set my name and email address.

00:12:44.320 --> 00:12:49.679
And very early I set a custom-file to keep all of that

00:12:49.680 --> 00:12:51.959
stuff separate from my .emacs.

00:12:51.960 --> 00:12:53.199
I don't want it mixing in.

NOTE Core
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0020.jpg
#+SCREENSHOT_TIME: 00:13:03.467

00:12:53.200 --> 00:12:56.359
And then pretty much the only other thing that's in my

00:12:56.360 --> 00:12:59.159
main init file is just to require and load these

00:12:59.160 --> 00:13:03.439
different modules or packages of my configuration.

00:13:03.440 --> 00:13:06.959
I have these as actual packages or as actual features.

00:13:06.960 --> 00:13:08.599
They provide themselves.

00:13:08.600 --> 00:13:10.999
And that's just something that I've found

00:13:11.000 --> 00:13:12.519
straightforward enough to do.

00:13:12.520 --> 00:13:16.879
I know, for example, Prot uses a dual approach.

00:13:16.880 --> 00:13:20.519
He has some of his configuration that's more readily

00:13:20.520 --> 00:13:22.879
usable, available as actual packages.

00:13:22.880 --> 00:13:26.719
And then the other ones, it's just Emacs Lisp code.

00:13:26.720 --> 00:13:28.119
It's not actual packages.

00:13:28.120 --> 00:13:31.599
But for me, I just keep it simple.

00:13:31.600 --> 00:13:36.779
Everything as packages and that's about that.

00:13:36.780 --> 00:13:37.479
[Sacha]: Fantastic.

00:13:37.480 --> 00:13:42.479
Let's dive into some of those configuration modules.

00:13:42.480 --> 00:13:44.359
[Amin]: Sure, let's see.

00:13:44.360 --> 00:13:48.119
Yeah, so this there's this like core thing which is

00:13:48.120 --> 00:13:51.679
kind of included gets included in all of my other

00:13:51.680 --> 00:13:53.579
files.

NOTE
no longer using bandali-configure; scoping errors, timing execution
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0021.jpg
#+SCREENSHOT_TIME: 00:14:27.533

00:13:53.580 --> 00:13:57.199
I wrote a bandali-configure macro

00:13:57.200 --> 00:14:00.359
shamelessly based on prot-emacs-configure which

00:14:00.360 --> 00:14:05.079
is what Prot uses and it basically is a way of kind of

00:14:05.080 --> 00:14:07.919
similar to use-package for like wrapping a bunch of

00:14:07.920 --> 00:14:11.399
relevant like Emacs Lisp code all together.

00:14:11.400 --> 00:14:17.359
It has the benefit, if you use it, if there is an

00:14:17.360 --> 00:14:22.279
error in that block or in the body basically, then it

00:14:22.280 --> 00:14:23.559
won't crash everything.

00:14:23.560 --> 00:14:26.959
That body will just get ignored and we display an

00:14:26.960 --> 00:14:27.519
error.

00:14:27.520 --> 00:14:30.799
And that's also the main reason that Prot uses it.

00:14:30.800 --> 00:14:35.439
The one thing that I added extra to mine, which I took

00:14:35.440 --> 00:14:40.439
with inspiration from Eshel Yaron's esy/init-step,

00:14:40.440 --> 00:14:47.879
is to wrap it up in basically time the execution

00:14:47.880 --> 00:14:51.119
of each of these blocks, which can be pretty helpful

00:14:51.120 --> 00:14:54.919
to help you see, okay, which part of my configuration

00:14:54.920 --> 00:14:56.559
is particularly slow.

00:14:56.560 --> 00:14:59.519
Usage examples.

00:14:59.520 --> 00:15:00.799
I just have it here.

00:15:00.800 --> 00:15:04.799
You can either basically pass it like a symbol like

00:15:04.800 --> 00:15:08.319
thing or you can also pass in a string as the first

00:15:08.320 --> 00:15:09.239
argument.

00:15:09.240 --> 00:15:12.479
And this is what will be displayed when you display a

00:15:12.480 --> 00:15:16.919
list of the evaluation times for all of these

00:15:16.920 --> 00:15:18.979
blocks in your configuration.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0022.jpg
#+SCREENSHOT_TIME: 00:15:22.133

00:15:18.980 --> 00:15:22.119
Yeah, and then I have a neat little function

00:15:22.120 --> 00:15:24.719
here like bandali-configure-report-times

00:15:24.720 --> 00:15:28.200
that will report these times,

00:15:28.201 --> 00:15:29.600
whether in the order that it's

00:15:29.601 --> 00:15:31.367
encountered them, or you can have it

00:15:31.368 --> 00:15:33.600
sort by fastest to slowest,

00:15:33.601 --> 00:15:36.399
slowest to fastest, blah blah blah.

00:15:36.400 --> 00:15:37.559
[Sacha]: You mentioned you're no longer using this.

00:15:37.560 --> 00:15:41.439
Is it because you wanted it to be easier to

00:15:41.440 --> 00:15:43.119
copy and paste your code?

00:15:43.120 --> 00:15:45.639
What got you to shift back to the regular vanilla type

00:15:45.640 --> 00:15:47.640
of configuration?

00:15:47.680 --> 00:15:53.279
[Amin]: Right, as neat as it is, I didn't find it

00:15:53.280 --> 00:15:56.959
super useful. For one thing, because I don't add or

00:15:56.960 --> 00:16:00.999
remove a ton of stuff to my Emacs configuration

00:16:01.000 --> 00:16:04.759
regularly, so if there is an error, it wouldn't cause

00:16:04.760 --> 00:16:06.799
an issue for the rest of my configuration. I didn't

00:16:06.800 --> 00:16:11.199
really find that very useful.

00:16:11.200 --> 00:16:14.279
And then my other potential concern is that the way I

00:16:14.280 --> 00:16:18.159
was structuring things, I would put all of the

00:16:18.160 --> 00:16:21.079
configuration, let's say for Gnus, in one of these

00:16:21.080 --> 00:16:21.799
blocks.

00:16:21.800 --> 00:16:25.759
But I wanted to be able to break that down into, for

00:16:25.760 --> 00:16:28.279
example, Org Mode sections more easily.

00:16:28.280 --> 00:16:32.759
So far, I just decided to not use it.

00:16:32.760 --> 00:16:35.119
I know I could technically break those down into

00:16:35.120 --> 00:16:38.559
smaller blocks, but I haven't done that yet.

00:16:38.560 --> 00:16:41.319
[Sacha]: Ihor says, this configure macro looks a lot

00:16:41.320 --> 00:16:43.599
like good old use-package, which you're not even using

00:16:43.600 --> 00:16:44.919
in the rest of your config.

00:16:44.920 --> 00:16:47.519
And I hear you about wanting to be able to split

00:16:47.520 --> 00:16:50.639
things into smaller blocks with more explanations in

00:16:50.640 --> 00:16:51.279
between them.

00:16:51.280 --> 00:16:53.719
So in my config, yeah, sure, I've got the use-package

00:16:53.720 --> 00:16:55.799
there to do the ensure and all that stuff.

00:16:55.800 --> 00:16:59.279
But I also have with-eval-after-load because I still

00:16:59.280 --> 00:17:01.719
want, you know, the links and the screenshots in

00:17:01.720 --> 00:17:02.759
between.

NOTE Why not use use-package

00:17:02.760 --> 00:17:06.728
[Amin]: Right. Yeah, exactly. use-package is awesome.

00:17:06.729 --> 00:17:08.791
I have used that in the past,

00:17:08.792 --> 00:17:11.479
especially when I was using the straight.el

00:17:11.480 --> 00:17:15.999
package manager. It pairs nicely with it. But yeah,

00:17:16.000 --> 00:17:17.999
since then, I found it a little bit like too magical

00:17:18.000 --> 00:17:21.279
for my tastes, kind of along the lines of

00:17:21.280 --> 00:17:23.159
declaring an init file bankruptcy at some point I

00:17:23.160 --> 00:17:24.279
really wanted to

00:17:24.280 --> 00:17:27.039
understand every single line that I have in my Emacs

00:17:27.040 --> 00:17:27.839
configuration.

00:17:27.840 --> 00:17:31.359
And at the time, I didn't know a whole lot about

00:17:31.360 --> 00:17:33.999
macros or wasn't very well-versed with them.

00:17:34.000 --> 00:17:36.879
So I just ditched it in favor of simply using, as you

00:17:36.880 --> 00:17:38.479
mentioned, with-eval-after-load.

00:17:38.480 --> 00:17:42.359
And then that causes all that code to be basically

00:17:42.360 --> 00:17:45.279
delayed, not evaluated immediately, but when that

00:17:45.280 --> 00:17:46.679
package is loaded.

00:17:46.680 --> 00:17:50.439
And then as to when to pull that package in, depending

00:17:50.440 --> 00:17:52.879
on if I want it right from the get-go of my Emacs

00:17:52.880 --> 00:17:54.319
start, then I would require it.

00:17:54.320 --> 00:17:56.959
Otherwise, I add this, as you also mentioned earlier,

00:17:56.960 --> 00:18:00.119
this kind of timer thing where if Emacs is idle for, I

00:18:00.120 --> 00:18:03.559
don't know, 0.2 seconds or 0.4 seconds, then go ahead

00:18:03.560 --> 00:18:06.279
and require this package.

00:18:06.280 --> 00:18:07.479
[Sacha]: Ihor has a tip in the chat.

00:18:07.480 --> 00:18:11.479
Of course, Ihor has an Org way to do this.

00:18:11.480 --> 00:18:14.919
He uses use-package whatever config and then he has a

00:18:14.920 --> 00:18:17.439
noweb reference to the Babel blocks.

00:18:17.440 --> 00:18:23.279
Then he just says :tangle no on the source blocks so

00:18:23.280 --> 00:18:24.799
that they don't actually get repeated.

00:18:24.800 --> 00:18:27.479
Anyway, you can look at it later when you go through.

00:18:27.480 --> 00:18:29.039
I'll send you the comments or whatever.

00:18:29.040 --> 00:18:31.119
But show us how you're actually configuring things

00:18:31.120 --> 00:18:37.819
since you're not using this.

NOTE
Defining multiple keybindings
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0023.jpg
#+SCREENSHOT_TIME: 00:18:55.133

00:18:37.820 --> 00:18:39.067
[Amin]: Then I just have another

00:18:39.068 --> 00:18:42.479
quick macro thingy here, bandali-define-keys, which

00:18:42.480 --> 00:18:47.759
wraps around Emacs's define-key. It affords me the

00:18:47.760 --> 00:18:52.799
convenience of defining multiple key bindings, and

00:18:52.800 --> 00:18:55.119
Prot's version of this (I think it's

00:18:55.120 --> 00:19:00.239
prot-emacs-keybind, or something like that) he

00:19:00.240 --> 00:19:05.399
imposes the limitation that the keys should be valid

00:19:05.400 --> 00:19:08.199
strings that can be passed to the kbd function,

00:19:08.200 --> 00:19:12.639
which is very fair and valid, but I wanted to not

00:19:12.640 --> 00:19:15.559
impose that, to keep the flexibility of using

00:19:15.560 --> 00:19:18.079
define-key directly.

00:19:18.080 --> 00:19:23.119
The consequences of that, as we can see, is we can

00:19:23.120 --> 00:19:25.599
pass in the old representation of key bindings, like

00:19:25.600 --> 00:19:29.839
the vector or whatever syntax, which Prot's doesn't

00:19:29.840 --> 00:19:32.479
support by choice, whereas mine does.

00:19:32.480 --> 00:19:35.799
Let's see.

00:19:35.800 --> 00:19:42.279
For example, let's look at the bandali-theme.el, which is

00:19:42.280 --> 00:19:42.719
all about…

00:19:42.720 --> 00:19:45.899
The appearance, I guess, of Emacs.

NOTE
doric-oak uses emphasis instead of colours
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0024.jpg
#+SCREENSHOT_TIME: 00:19:45.900

00:19:45.900 --> 00:19:48.119
Yeah, so I just have a conditional block where, you

00:19:48.120 --> 00:19:50.039
know, if you're in a graphical environment, I'll just

00:19:50.040 --> 00:19:53.399
go ahead and load Prot's doric-themes, specifically

00:19:53.400 --> 00:19:55.719
doric-oak, which is what we're seeing right now.

00:19:55.720 --> 00:19:59.079
I'm using, it's very beautiful, it's very subtle, and

00:19:59.080 --> 00:20:02.159
it uses emphasis, bolding and stuff to draw

00:20:02.160 --> 00:20:05.239
your eye to something instead of using a million

00:20:05.240 --> 00:20:07.439
different colours, which I find pretty nice.

00:20:07.440 --> 00:20:14.039
Yeah, and then for example here I set up some fonts.

00:20:14.040 --> 00:20:17.319
I use this Sahel font for Persian and Arabic

00:20:17.320 --> 00:20:17.759
text.

00:20:17.760 --> 00:20:23.359
I set a colour emoji font here and this is like we get

00:20:23.360 --> 00:20:25.479
a kind of preview of what I do.

00:20:25.480 --> 00:20:28.279
It's like with-eval-after-load 'faces and then blah

00:20:28.280 --> 00:20:30.139
blah blah.

00:20:30.140 --> 00:20:31.536
[Sacha]: Ihor would like to point out that

00:20:31.537 --> 00:20:33.841
with-eval-after-load is also a macro

00:20:33.842 --> 00:20:35.399
that calls another macro.

00:20:35.400 --> 00:20:39.519
So I'm just going to mention it because it's there.

00:20:39.520 --> 00:20:41.679
These are your fonts.

00:20:41.680 --> 00:20:43.879
This is your theme.

00:20:43.880 --> 00:20:46.799
This is great because everyone always asks, what theme

00:20:46.800 --> 00:20:47.279
is this?

00:20:47.280 --> 00:20:48.159
What font is this?

00:20:48.160 --> 00:20:49.159
All right.

NOTE
global font scaling instead of the local ones
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0025.jpg
#+SCREENSHOT_TIME: 00:20:59.967

00:20:49.160 --> 00:20:52.159
I like your text scaling tweaks that you're just about

00:20:52.160 --> 00:20:56.459
to go into. You've changed the global mappings.

00:20:56.460 --> 00:20:56.919
[Amin]: Yeah, yeah, yeah.

00:20:56.920 --> 00:20:58.439
And I actually took this from Prot as well.

00:20:58.440 --> 00:20:59.959
And it makes a lot more sense.

00:20:59.960 --> 00:21:03.239
So by default, this, C-x C-+, -,

00:21:03.240 --> 00:21:05.759
blah, blah, blah, it only scales the text

00:21:05.760 --> 00:21:07.679
for the current buffer only.

00:21:07.680 --> 00:21:12.839
But in newer versions of Emacs, in Emacs 29, they also

00:21:12.840 --> 00:21:16.115
added commands to adjust this globally, including

00:21:16.116 --> 00:21:17.866
the mode line and all that stuff,

00:21:17.867 --> 00:21:19.359
which is usually what I want,

00:21:19.360 --> 00:21:21.719
for example, in this presentation or when I'm sharing

00:21:21.720 --> 00:21:22.559
my screen right now.

00:21:22.560 --> 00:21:24.479
It scales everything up globally.

00:21:24.480 --> 00:21:28.959
So yeah, I just swapped these to be the default, and

00:21:28.960 --> 00:21:32.119
then I add keybinds for the just local variants in

00:21:32.120 --> 00:21:36.359
case I need to use that.

00:21:36.360 --> 00:21:37.119
Yep.

NOTE display-fill-column-indicator

00:21:37.120 --> 00:21:39.239
And then here I have display-fill-column-indicator.

00:21:39.240 --> 00:21:42.559
I don't know, maybe this is just me, but sometimes I'm

00:21:42.560 --> 00:21:45.519
kind of OCD about keeping my text lined up at exactly,

00:21:45.520 --> 00:21:49.079
for example, the 70 characters column.

00:21:49.080 --> 00:21:52.479
I care a lot about that, especially if I'm writing

00:21:52.480 --> 00:21:56.479
code or text that I want to also visually look nice.

00:21:56.480 --> 00:21:57.999
And I enable this.

00:21:58.000 --> 00:22:02.399
And let's see, I enable it for prog-mode.

00:22:02.400 --> 00:22:08.439
So yeah, I guess if I, for example, do this…

00:22:08.440 --> 00:22:11.159
This little thin line that we see here, that's the

00:22:11.160 --> 00:22:13.559
display filler column indicator.

00:22:13.560 --> 00:22:17.159
I used to have it globally enabled, but then I found

00:22:17.160 --> 00:22:20.239
that a bit too much, so I just enable it with a hook

00:22:20.240 --> 00:22:22.759
in the modes that I want.

00:22:22.760 --> 00:22:25.033
[Sacha]: Yeah, and the theme makes it very subtle.

00:22:25.034 --> 00:22:26.967
It's just there as a reminder,

00:22:26.968 --> 00:22:27.900
don't go beyond this line.

00:22:27.901 --> 00:22:31.367
You can if you really want to, but just try not to.

00:22:31.368 --> 00:22:39.579
[Amin]: Yeah, exactly. And then my essentials…

00:22:39.580 --> 00:22:42.999
This is where I configure a lot of key

00:22:43.000 --> 00:22:46.439
behaviours of Emacs, all built-in stuff for the most

00:22:46.440 --> 00:22:49.119
part, or things that are key to my workflows.

00:22:49.120 --> 00:22:52.119
For example, I always want to start with a *scratch​*

00:22:52.120 --> 00:22:53.759
buffer.

NOTE
emacsclient for EDITOR and VISUAL
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0026.jpg
#+SCREENSHOT_TIME: 00:22:53.767

00:22:53.760 --> 00:22:57.439
Start the Emacs server if it's not running.

00:22:57.440 --> 00:23:01.599
And this is very useful, very helpful so that then you

00:23:01.600 --> 00:23:04.959
can call into an existing Emacs process with

00:23:04.960 --> 00:23:07.439
emacsclient and have it edit a file.

00:23:07.440 --> 00:23:10.079
I don't use it for anything fancy just yet.

00:23:10.080 --> 00:23:12.919
I believe Prot also mentioned in his video with you,

00:23:12.920 --> 00:23:16.239
Sacha, that he uses it for things like org-capture to

00:23:16.240 --> 00:23:20.519
spawn a new buffer in his existing Emacs session

00:23:20.520 --> 00:23:22.039
and things like that.

00:23:22.040 --> 00:23:23.879
You can do pretty cool things with it.

00:23:23.880 --> 00:23:28.519
But yeah, I just use it for being able to easily use

00:23:28.520 --> 00:23:31.799
my Emacs as EDITOR and VISUAL text editors.

00:23:31.800 --> 00:23:37.759
So yeah, this sets that up.

NOTE
fundamental-mode-hook
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0027.jpg
#+SCREENSHOT_TIME: 00:23:42.200

00:23:37.760 --> 00:23:38.719
Adding a fundamental mode hook.

00:23:38.720 --> 00:23:40.619
Again, I took this from Prot.

00:23:40.620 --> 00:23:42.199
[Sacha]: I was surprised by that because I was like,

00:23:42.200 --> 00:23:44.519
oh, there isn't a fundamental-mode-hook?

00:23:44.520 --> 00:23:47.519
Okay, that makes sense now.

00:23:47.520 --> 00:23:49.067
[Amin]: Right, right.

00:23:49.068 --> 00:23:52.319
Yeah, there isn't a fundamental-mode-hook by design.

00:23:52.320 --> 00:23:55.119
But I still, in the past, have found that I wanted

00:23:55.120 --> 00:23:55.319
that.

00:23:55.320 --> 00:23:57.959
For example, for this display-fill-column-indicator,

00:23:57.960 --> 00:24:00.319
when I had it enabled everywhere, I was like, it would

00:24:00.320 --> 00:24:02.639
be nice if I could at least disable it for Fundamental

00:24:02.640 --> 00:24:02.959
mode.

00:24:02.960 --> 00:24:04.399
And at the time, I didn't have this.

00:24:04.400 --> 00:24:05.999
I added this just recently.

00:24:06.000 --> 00:24:08.599
So if I decide to go back to using something globally,

00:24:08.600 --> 00:24:11.239
but I don't want it in fundamental-mode, then I can

00:24:11.240 --> 00:24:13.919
disable it using this.

00:24:13.920 --> 00:24:18.359
Yeah, and then some standard stuff like I prefer

00:24:18.360 --> 00:24:23.579
spaces and a tab width of four characters.

NOTE
indicate-buffer-boundaries
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0008.jpg
#+SCREENSHOT_TIME: 00:22:02.433

00:24:23.580 --> 00:24:25.319
Visually indicate buffer boundaries.

00:24:25.320 --> 00:24:28.801
This is a little bit hard to see right now,

00:24:28.802 --> 00:24:31.020
but here at the bottom left

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0009.jpg
#+SCREENSHOT_TIME: 00:22:02.433
#+SCREENSHOT_CROP: 2 750 200 850

00:24:31.021 --> 00:24:33.159
you see a little down arrow

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0012.jpg
#+SCREENSHOT_TIME: 00:24:33.800
#+SCREENSHOT_CROP: 10 37 111 113

00:24:33.160 --> 00:24:34.799
and then the little top arrow.

00:24:34.800 --> 00:24:41.619
And… Let's see if I can.

00:24:41.620 --> 00:24:44.319
[Sacha]: Oh!

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0010.jpg
#+SCREENSHOT_TIME: 00:24:43.167
#+SCREENSHOT_CROP: 6 43 500 180

00:24:44.320 --> 00:24:46.559
[Amin]: And also here, for example, when it all fits

00:24:46.560 --> 00:24:47.239
in the view.

00:24:47.240 --> 00:24:49.759
[Sacha]: Huh, that is cool.

00:24:49.760 --> 00:24:50.919
I was looking at that.

00:24:50.920 --> 00:24:51.919
What does it do?

00:24:51.920 --> 00:24:54.799
And so that tells you, you can still scroll up or you

00:24:54.800 --> 00:24:57.039
can still scroll down, and you don't have to look at

00:24:57.040 --> 00:24:58.799
the scroll bar to see where you are.

00:24:58.800 --> 00:25:01.679
It just says there's more there.

00:25:01.680 --> 00:25:03.399
[Amin]: Yeah, exactly.

00:25:03.400 --> 00:25:03.839
Yeah.

00:25:03.840 --> 00:25:06.359
And it also helps distinguish when there's a newline

00:25:06.360 --> 00:25:08.119
character at the end of the file or not.

00:25:08.120 --> 00:25:09.799
So here in this buffer, there is.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0013.jpg
#+SCREENSHOT_TIME: 00:25:10.533
#+SCREENSHOT_CROP: 6 39 500 180

00:25:09.800 --> 00:25:14.199
But if I delete that, you see this indicator here

00:25:14.200 --> 00:25:15.639
changed shape.

00:25:15.640 --> 00:25:18.479
But if I go back and add the new line again.

00:25:18.480 --> 00:25:21.639
So yeah, that's also been very helpful for me because

00:25:21.640 --> 00:25:23.959
I added configuration files and some of these pieces

00:25:23.960 --> 00:25:26.199
of software are sensitive to having a new line at the

00:25:26.200 --> 00:25:26.959
end of the file.

00:25:26.960 --> 00:25:31.099
So yeah, it's very helpful and useful for that.

00:25:31.100 --> 00:25:34.119
[Sacha]: I would not have guessed that from the very

00:25:34.120 --> 00:25:36.959
short line in your config that turns that on.

00:25:36.960 --> 00:25:38.678
It's one line, (setq-default

00:25:38.679 --> 00:25:43.079
indicate-buffer-boundaries 'left), and yet it adds this nice little

00:25:43.080 --> 00:25:46.219
nuance to the way that fringe looks.

00:25:46.220 --> 00:25:46.719
[Amin]: Right.

00:25:46.720 --> 00:25:47.839
Yeah, absolutely.

00:25:47.840 --> 00:25:50.799
Perhaps I should expand more on it at some point later

00:25:50.800 --> 00:25:52.399
to explain these things.

00:25:52.400 --> 00:25:54.859
But yeah, just this one line.

00:25:54.860 --> 00:25:59.059
[Sacha]: May I recommend screenshots?

00:25:59.060 --> 00:26:00.519
[Amin]: Yes, you may, for sure. Yeah, I will

00:26:00.520 --> 00:26:04.959
definitely do that as well,

00:26:04.960 --> 00:26:07.067
because I'm also a bit of a visual person.

00:26:07.068 --> 00:26:08.733
I like seeing screenshots and videos,

00:26:08.734 --> 00:26:10.159
so yeah I'll take that to heart

00:26:10.160 --> 00:26:12.299
and do that for my own configuration as well.

00:26:12.300 --> 00:26:15.500
[Sacha]: When I post this, I'll probably… I figured

00:26:15.501 --> 00:26:18.033
out how to have the transcripts and then screenshots

00:26:18.034 --> 00:26:19.433
embedded into my transcript.

00:26:19.434 --> 00:26:22.033
I'll generate it automatically from the subtitle file.

00:26:22.034 --> 00:26:24.633
Our EmacsConf transcripts are going to get so fancy

00:26:24.634 --> 00:26:28.300
next year. But you can pull those screenshots

00:26:28.301 --> 00:26:31.719
and drop them into your config. It'll be great.

00:26:31.720 --> 00:26:36.419
[Amin]: Nice. Yeah, for sure. Sounds good.

NOTE
enabling and disabling commands
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0028.jpg
#+SCREENSHOT_TIME: 00:26:36.433

00:26:36.420 --> 00:26:38.600
And then here, I just enable some of these

00:26:38.601 --> 00:26:40.733
commands that are disabled by default.

00:26:40.734 --> 00:26:45.800
So yeah, it's useful, especially narrow-to-page,

00:26:45.801 --> 00:26:47.267
for example, or narrow-to-region.

00:26:47.268 --> 00:26:49.433
These are commands where Emacs disables them

00:26:49.434 --> 00:26:52.833
by default so that newcomers

00:26:52.834 --> 00:26:55.100
don't accidentally hit them and get very

00:26:55.101 --> 00:26:57.133
confused by what just happened.

00:26:57.134 --> 00:26:59.500
It doesn't disable them for good.

00:26:59.501 --> 00:27:01.733
It just basically prompts you for confirmation.

00:27:01.734 --> 00:27:04.267
Are you sure you want to run this command?

00:27:04.268 --> 00:27:06.900
I'm sure, at least about these commands.

00:27:06.901 --> 00:27:08.167
So I just enable them.

00:27:08.168 --> 00:27:11.233
And then something like, for example, overwrite-mode,

00:27:11.234 --> 00:27:12.800
which I never use

00:27:12.801 --> 00:27:14.267
and I don't want to accidentally enable.

00:27:14.268 --> 00:27:16.667
I just put it disabled so that if I do accidentally

00:27:16.668 --> 00:27:19.300
hit the keys, which might be, I don't know, something

00:27:19.301 --> 00:27:23.000
insert or whatever, then it will prompt me

00:27:23.001 --> 00:27:25.899
to make sure that I meant to do that.

00:27:25.900 --> 00:27:28.233
[Sacha]: That reminds me, I should probably turn that

00:27:28.234 --> 00:27:30.833
off for myself and then you get a whole new keyboard

00:27:30.834 --> 00:27:33.979
shortcut you can use too.

00:27:33.980 --> 00:27:36.933
[Amin]: Right, yeah.

00:27:36.934 --> 00:27:37.879
Let's see.

NOTE
package-review-policy
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0029.jpg
#+SCREENSHOT_TIME: 00:27:37.900

00:27:37.880 --> 00:27:42.999
Yeah, I have just one line setting for package.el.

00:27:43.000 --> 00:27:46.279
In Emacs 31, we will be getting a package-review-policy

00:27:46.280 --> 00:27:47.439
which is very helpful.

00:27:47.440 --> 00:27:50.479
So if you do use package.el for installing packages

00:27:50.480 --> 00:27:54.159
from GNU ELPA, NonGNU ELPA, MELPA or whatever else,

00:27:54.160 --> 00:27:56.359
you can enable this, and then whenever you update your

00:27:56.360 --> 00:28:00.679
packages, you'll get a diff of what changed in this

00:28:00.680 --> 00:28:03.719
new revision of the package that you're downloading

00:28:03.720 --> 00:28:05.519
and you're about to enable.

00:28:05.520 --> 00:28:08.039
And you can presumably say yes or

00:28:08.040 --> 00:28:11.579
at least see what's going on, which I'd find helpful.

00:28:11.580 --> 00:28:13.759
[Sacha]: But you're not using packages, you mentioned,

00:28:13.760 --> 00:28:20.919
so you're just checking everything out and then you're

00:28:20.920 --> 00:28:21.979
just git pulling whenever you feel like it.

00:28:21.980 --> 00:28:24.239
[Amin]: Yeah, so right now I'm using git pulls and git

00:28:24.240 --> 00:28:26.079
submodules, very manual.

00:28:26.080 --> 00:28:29.999
I put this here because I think it's generally a very

00:28:30.000 --> 00:28:33.679
welcome change and awesome new feature that I want to

00:28:33.680 --> 00:28:34.959
spread the word about.

00:28:34.960 --> 00:28:38.239
So maybe someone who's looking at my config, they use

00:28:38.240 --> 00:28:40.159
package and that's perfectly fine.

00:28:40.160 --> 00:28:42.199
So this is just here to spread the word about it

00:28:42.200 --> 00:28:43.159
mainly, I guess.

00:28:43.160 --> 00:28:45.439
And if I start using package at some point myself in

00:28:45.440 --> 00:28:50.839
the future, then I will have this enabled.

00:28:50.840 --> 00:28:52.760
Let's see.

NOTE
getting the Info files from the Emacs source directory
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0030.jpg
#+SCREENSHOT_TIME: 00:28:52.800

00:28:52.800 --> 00:28:58.239
Very quickly, here I extend Info-directory-list.

00:28:58.240 --> 00:29:01.919
I like to, at least on some of my machines,

00:29:01.920 --> 00:29:05.399
use Emacs that I built from source directly in the

00:29:05.400 --> 00:29:08.599
source repository of Emacs.

00:29:08.600 --> 00:29:12.639
Just after doing make, I don't run make install,

00:29:12.640 --> 00:29:14.919
even though it's very easy to do that.

00:29:14.920 --> 00:29:17.919
You can install to a custom location by providing

00:29:17.920 --> 00:29:20.399
--prefix when you're ./configure-ing Emacs.

00:29:20.400 --> 00:29:22.999
Sometimes I just find it more convenient for me to not

00:29:23.000 --> 00:29:26.039
do that and just run make and then exit and reopen

00:29:26.040 --> 00:29:26.959
Emacs.

00:29:26.960 --> 00:29:30.245
And for that kind of a setup, I just extend the

00:29:30.246 --> 00:29:33.879
Info-directory-list to include the info subdirectory of the

00:29:33.880 --> 00:29:37.359
Emacs source repository so that the built-in Emacs

00:29:37.360 --> 00:29:45.119
info manuals will be available to me.

NOTE
recentf, adding directories
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0031.jpg
#+SCREENSHOT_TIME: 00:29:46.600

00:29:45.120 --> 00:29:46.600
And then I use recentf

00:29:46.601 --> 00:29:52.039
for tracking recent revisited files.

00:29:52.040 --> 00:29:54.560
I bind it to C-c f r e

00:29:54.600 --> 00:30:00.239
for me to get a pop-up completion for visiting a

00:30:00.240 --> 00:30:03.759
recent file, it has completion.

00:30:03.760 --> 00:30:08.079
So if I hit TAB here, for example, we can see some of

00:30:08.080 --> 00:30:11.499
these files or directories that I visited recently.

00:30:11.500 --> 00:30:13.200
[Sacha]: I see.

00:30:13.201 --> 00:30:16.399
And then you're adding the directory to it.

00:30:16.400 --> 00:30:19.519
So what does that let you do?

00:30:19.520 --> 00:30:21.999
Because I'm assuming you're already in there in the

00:30:22.000 --> 00:30:22.759
directory.

00:30:22.760 --> 00:30:26.819
But how does that change your recentf?

00:30:26.820 --> 00:30:30.279
[Amin]: Right. So I need to think to remember this,

00:30:30.280 --> 00:30:34.239
but I think the point of this was that if I

00:30:34.240 --> 00:30:39.759
open a project in VC or in Dired, then I

00:30:39.760 --> 00:30:43.039
would like that directory to also get added to my

00:30:43.040 --> 00:30:46.719
recentf files list, because I think by default,

00:30:46.720 --> 00:30:54.399
recentf only includes files, not directories.

00:30:54.400 --> 00:30:57.319
[Sacha]: You're in it, you start up Magit or whatever,

00:30:57.320 --> 00:31:00.079
and then you move on to something else, but you want

00:31:00.080 --> 00:31:03.339
to be able to easily go back to it.

00:31:03.340 --> 00:31:06.239
[Amin]: Yeah, for example, I like to keep my recently

00:31:06.240 --> 00:31:09.159
visited directories in recentf as well.

00:31:09.160 --> 00:31:11.759
Because that's one of the main ways I jump between

00:31:11.760 --> 00:31:14.159
projects and stuff, even though there is literally a

00:31:14.160 --> 00:31:16.319
built-in Emacs project mode, which I still use.

00:31:16.320 --> 00:31:19.919
The only thing that I have here is…

00:31:19.920 --> 00:31:25.879
I don't want to add my home directory to the recently

00:31:25.880 --> 00:31:29.599
visited list, so the only thing that this function

00:31:29.600 --> 00:31:34.319
does is to skip that if I'm opening the home directory.

00:31:34.320 --> 00:31:38.439
That's about it.

NOTE
Scrolling
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0033.jpg
#+SCREENSHOT_TIME: 00:32:10.933

00:31:38.440 --> 00:31:41.759
And then here I configure mouse and scrolling behaviour.

00:31:41.760 --> 00:31:47.159
So I want Emacs to scroll very gently, one line at a

00:31:47.160 --> 00:31:47.679
time.

00:31:47.680 --> 00:31:50.679
I think the default is that when you reach the end of

00:31:50.680 --> 00:31:53.799
the page, it'll jump half a page down and then

00:31:53.800 --> 00:31:54.439
recenter.

00:31:54.440 --> 00:31:57.999
I don't remember default behaviour because I don't use

00:31:58.000 --> 00:32:01.599
it very much, but yeah, this basically makes it

00:32:01.600 --> 00:32:03.919
very predictable. For example, when I reach

00:32:03.920 --> 00:32:07.039
the edge of the page here and I press C-n,

00:32:07.040 --> 00:32:10.919
it'll only scroll one line at a time, instead of

00:32:10.920 --> 00:32:13.399
jumping and then doing something like

00:32:13.400 --> 00:32:14.800
this.

00:32:14.801 --> 00:32:17.359
[Sacha]: Oh yeah, mine does! Mine doesn't do that, so

00:32:17.360 --> 00:32:19.879
it does that jumping thing. I see what you mean

00:32:19.880 --> 00:32:22.200
here. Interesting.

00:32:22.201 --> 00:32:25.599
[Amin]: Yeah, so you can tweak that with scroll-conservatively

00:32:25.600 --> 00:32:28.599
and then scroll-preserve-screen-position, I believe.

NOTE
auto revert
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0034.jpg
#+SCREENSHOT_TIME: 00:32:37.733

00:32:28.600 --> 00:32:36.239
Yeah, and then I use autorevert, which is pretty

00:32:36.240 --> 00:32:37.719
helpful.

00:32:37.720 --> 00:32:41.239
So this will have Emacs watch, for example, files that

00:32:41.240 --> 00:32:43.679
are open in your buffers.

00:32:43.680 --> 00:32:46.799
And if they change on disk, Emacs will automatically

00:32:46.800 --> 00:32:49.959
refresh the buffer so that you get the latest version.

00:32:49.960 --> 00:32:53.199
The cool thing is you can press undo in one of these

00:32:53.200 --> 00:32:56.119
files that's been autoreverted so that you get the

00:32:56.120 --> 00:32:58.959
revision that was there right before the change.

00:32:58.960 --> 00:33:03.139
So I've used that sometimes as well.

00:33:03.140 --> 00:33:05.919
[Sacha]: Yeah, and sometimes autofollow also is nice

00:33:05.920 --> 00:33:08.119
for log files and things like that.

00:33:08.120 --> 00:33:12.519
But yeah, autoreverting is great.

00:33:12.520 --> 00:33:14.059
[Amin]: Yeah, for sure.

NOTE
Repeat mode
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0035.jpg
#+SCREENSHOT_TIME: 00:33:14.067

00:33:14.060 --> 00:33:16.959
repeat-mode is something that I've only recently

00:33:16.960 --> 00:33:20.639
started using, especially with my Emacs EXWM setup,

00:33:20.640 --> 00:33:22.959
using Emacs as my window manager.

00:33:22.960 --> 00:33:26.599
For example, if I hit C-x o, we see here in the

00:33:26.600 --> 00:33:31.319
echo area where it says repeat with o or capital O. So

00:33:31.320 --> 00:33:35.159
I can now only press o instead of saying C-x o,

00:33:35.160 --> 00:33:39.319
C-x o to do that multiple times.

00:33:39.320 --> 00:33:43.559
Keymaps that have support for this basically indicate

00:33:43.560 --> 00:33:47.919
that they want to be repeatable can declare that.

00:33:47.920 --> 00:33:51.439
And then once you invoke one of the keys in those

00:33:51.440 --> 00:33:54.279
keymaps, then you can repeat it with just that single

00:33:54.280 --> 00:33:55.039
character.

00:33:55.040 --> 00:33:57.879
And for example, for my setup, I have that with my

00:33:57.880 --> 00:34:01.359
EXWM workspace switching keys.

00:34:01.360 --> 00:34:05.599
So I can easily go to the next and previous

00:34:05.600 --> 00:34:08.519
workspaces, many of them at a time by just pressing p

00:34:08.520 --> 00:34:13.399
and n instead of doing the shortcut multiple times.

00:34:13.400 --> 00:34:16.479
[Sacha]: And actually, if you don't mind jumping

00:34:16.480 --> 00:34:20.679
ahead, the EXWM part of your config is fairly complex,

00:34:20.680 --> 00:34:25.439
and I think not a lot of people have a lot of

00:34:25.440 --> 00:34:27.599
experience seeing EXWM in action.

00:34:27.600 --> 00:34:31.039
And I don't know whether you're comfortable sharing

00:34:31.040 --> 00:34:33.439
you switching around to different workspaces, but if

00:34:33.440 --> 00:34:35.839
that is something that you can do, how are you doing

00:34:35.840 --> 00:34:38.719
all this awesomeness?

00:34:38.720 --> 00:34:43.479
I'm still too scared to use EXWM myself.

00:34:43.480 --> 00:34:44.359
Stability.

00:34:44.360 --> 00:34:51.319
But that's a me problem, not an EXWM problem.

NOTE
EXWM
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0036.jpg
#+SCREENSHOT_TIME: 00:35:26.600

00:34:51.320 --> 00:34:53.799
[Amin]: Yeah, EXWM was pretty awesome.

00:34:53.800 --> 00:34:57.519
I used it back in 2018, '19 for a while, and then I

00:34:57.520 --> 00:35:00.079
kind of moved on to Sway and Wayland.

00:35:00.080 --> 00:35:02.159
But I don't know.

00:35:02.160 --> 00:35:04.759
It's something that I feel like once you try it, you

00:35:04.760 --> 00:35:06.479
want to keep going back to it.

00:35:06.480 --> 00:35:10.639
So recently, this past month or so, I decided to give

00:35:10.640 --> 00:35:14.679
it an earnest try and try to actually address any pain

00:35:14.680 --> 00:35:16.039
points that I've noticed.

00:35:16.040 --> 00:35:18.919
So it's much more usable for me now, and I'm sticking

00:35:18.920 --> 00:35:19.479
with it for now.

00:35:19.480 --> 00:35:22.359
I'm not a Wayland hater, but I'm just saying, at least

00:35:22.360 --> 00:35:24.039
for now, I'm using EXWM.

00:35:24.040 --> 00:35:26.599
And I'm happy to talk about it.

00:35:26.600 --> 00:35:28.599
[Sacha]: OK, what do you love about your setup for

00:35:28.600 --> 00:35:30.939
that one?

00:35:30.940 --> 00:35:32.319
[Amin]: EXWM?

00:35:32.320 --> 00:35:35.199
[Sacha]: Yeah, yeah.

00:35:35.200 --> 00:35:36.599
Like, you're doing a lot of rename buffers.

00:35:36.600 --> 00:35:39.199
Yeah, yeah, yeah.

00:35:39.200 --> 00:35:40.399
[Amin]: Right.

00:35:40.400 --> 00:35:41.159
Yeah, let me think.

00:35:41.160 --> 00:35:42.199
There's a couple of things.

00:35:42.200 --> 00:35:45.559
So, for the longest time, my Emacs EXWM configuration

00:35:45.560 --> 00:35:48.959
used super key as a prefix,

00:35:48.960 --> 00:35:51.719
which is the Windows [key] or the one with the

00:35:51.720 --> 00:35:55.159
logo, basically, to switch workspaces, launch

00:35:55.160 --> 00:35:56.239
applications and such.

00:35:56.240 --> 00:36:02.719
And at least the way that EXWM is right now, it

00:36:02.720 --> 00:36:03.319
doesn't…

00:36:03.320 --> 00:36:07.559
Like the way you have to add those global key bindings

00:36:07.560 --> 00:36:11.839
kind of slows down the EXWM startup.

00:36:11.840 --> 00:36:13.599
And I had many such key bindings.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0037.jpg
#+SCREENSHOT_TIME: 00:36:16.467

00:36:13.600 --> 00:36:16.439
So one thing that I did kind of recently is to

00:36:16.440 --> 00:36:24.799
define a prefix map here, like bandali-prefix-exwm-map.

00:36:24.800 --> 00:36:29.039
So I bind all of the keys and commands that I want

00:36:29.040 --> 00:36:33.399
here, and then this helps me really minimize what I'm

00:36:33.400 --> 00:36:35.439
telling EXWM, which is here.

00:36:35.440 --> 00:36:39.319
For example, this is how you set global keys with

00:36:39.320 --> 00:36:44.639
EXWM, and I just point it to my prefix map.

00:36:44.640 --> 00:36:47.759
C-c x and then any of those letters and

00:36:47.760 --> 00:36:48.679
functions that we saw.

00:36:48.680 --> 00:36:51.679
That's kind of annoying.

00:36:51.680 --> 00:36:57.439
I still use the super key here, but I have it s-x

00:36:57.440 --> 00:36:58.639
and s-,.

00:36:58.640 --> 00:37:02.319
On the left-hand side of my keyboard, x is right next

00:37:02.320 --> 00:37:06.279
to super, so I can hit it in one go with one motion

00:37:06.280 --> 00:37:08.639
almost as a single key with these two fingers.

00:37:08.640 --> 00:37:11.460
On the right side of my keyboard,

00:37:11.461 --> 00:37:13.109
I don't have a super key,

00:37:13.110 --> 00:37:16.279
but I have a control key that I remapped to super.

00:37:16.280 --> 00:37:21.079
On the right side, I do s-, with these two

00:37:21.080 --> 00:37:22.719
fingers.

00:37:22.720 --> 00:37:28.359
It's still very convenient for me to invoke those

00:37:28.360 --> 00:37:29.079
commands.

00:37:29.080 --> 00:37:33.399
And pairing this up with repeat-mode, as we can see

00:37:33.400 --> 00:37:37.879
just here, actually, then I can hit s-, and

00:37:37.880 --> 00:37:42.319
then p, n, or h, j, k, l many times to switch

00:37:42.320 --> 00:37:46.559
workspaces or shift focus to different windows and

00:37:46.560 --> 00:37:49.919
stuff without having to hit that kind of annoying

00:37:49.920 --> 00:37:53.599
s-x or s-, repeatedly.

00:37:53.600 --> 00:37:58.319
Yeah.

00:37:58.320 --> 00:37:59.199
[Sacha]: That sounds really cool.

00:37:59.200 --> 00:38:00.279
I should look into that.

00:38:00.280 --> 00:38:02.999
Sorry, quick aside.

NOTE Audio setup

00:38:03.000 --> 00:38:05.559
@blaiseutube would like to compliment you on your awesome

00:38:05.560 --> 00:38:06.359
audio setup.

00:38:06.360 --> 00:38:07.479
It sounds like you're in the room with him.

00:38:07.480 --> 00:38:10.039
Apparently, I sound like I'm on speakerphone, but your

00:38:10.040 --> 00:38:12.879
audio setup is top-notch, apparently.

00:38:12.880 --> 00:38:16.759
But that looks like a Blue Yeti, so I have to find out

00:38:16.760 --> 00:38:18.159
what's going on.

00:38:18.160 --> 00:38:20.919
What microphone are you using?

00:38:20.920 --> 00:38:22.159
[Amin]: It is indeed a Blue Yeti.

00:38:22.160 --> 00:38:23.079
[Sacha]: Yeah, yeah.

00:38:23.080 --> 00:38:25.399
So I just have to ask him for

00:38:25.400 --> 00:38:27.079
okay, what kind of boom mic?

00:38:27.080 --> 00:38:29.159
Anyway, we'll do that all offline because it's not

00:38:29.160 --> 00:38:32.399
Emacs related.

00:38:32.400 --> 00:38:33.919
[Amin]: Yeah, it's just the Blue Yeti.

00:38:33.920 --> 00:38:36.279
Yeah, I turned down the gain.

00:38:36.280 --> 00:38:39.599
I used to have gain higher, but then it picks up

00:38:39.600 --> 00:38:41.599
more noise from around the room or around

00:38:41.600 --> 00:38:42.439
the house.

00:38:42.440 --> 00:38:45.759
So I turned down the gain a lot and then I get

00:38:45.760 --> 00:38:48.639
close to the mic so that it only captures my voice.

00:38:48.640 --> 00:38:50.759
Okay.

00:38:50.760 --> 00:38:52.239
[Sacha]: I'm gonna need the boom.

00:38:52.240 --> 00:38:54.119
Otherwise, I'm squished into that corner.

00:38:54.120 --> 00:38:54.679
All right.

00:38:54.680 --> 00:38:57.599
So you were doing repeat-map before I said oh,

00:38:57.600 --> 00:39:00.879
let's talk about EXWM because you've got cool stuff

00:39:00.880 --> 00:39:03.079
there.

00:39:03.080 --> 00:39:06.599
[Amin]: Yeah, and I can continue talking about the EXWM.

00:39:06.600 --> 00:39:10.279
There's a lot here.

NOTE keymaps for launching different applications

00:39:10.280 --> 00:39:15.399
I have, let's see, s-, SPC.

00:39:15.400 --> 00:39:17.719
I bind it to async-shell-command to use as my

00:39:17.720 --> 00:39:20.399
simple, little, dmenu-thing for

00:39:20.400 --> 00:39:21.639
launching applications.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0039.jpg
#+SCREENSHOT_TIME: 00:39:11.767

00:39:21.640 --> 00:39:24.959
Some of these things, like browsers, I still

00:39:24.960 --> 00:39:27.119
do them frequently enough, and I use different

00:39:27.120 --> 00:39:28.119
browser profiles.

00:39:28.120 --> 00:39:34.999
So I just define a new keymap so I can basically one-shot

00:39:35.000 --> 00:39:38.439
launch Chromium or Firefox in a specific browser [profile] or an

00:39:38.440 --> 00:39:39.999
incognito window and such.

00:39:40.000 --> 00:39:44.359
So yeah, I just do s-x b and then, for example, c

00:39:44.360 --> 00:39:46.039
to launch Chromium and all that stuff.

00:39:46.040 --> 00:39:49.299
So I found this pretty convenient.

NOTE
bandali-call-interactively-insert
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0040.jpg
#+SCREENSHOT_TIME: 00:40:57.567

00:39:49.300 --> 00:39:55.639
Speaking of key bindings, before I get down this,

00:39:55.640 --> 00:40:01.999
let's see if I can find… C-c h.

00:40:02.000 --> 00:40:05.239
I think this is just before my EXWM setup.

00:40:05.240 --> 00:40:07.839
I'm pretty proud of this.

00:40:07.840 --> 00:40:09.079
I love this.

00:40:09.080 --> 00:40:12.759
It really goes to show how awesome Emacs is and

00:40:12.760 --> 00:40:14.199
extensible it is.

00:40:14.200 --> 00:40:16.039
Let's see.

00:40:16.040 --> 00:40:19.799
So as we know, these various help commands and

00:40:19.800 --> 00:40:22.319
describe commands are under C-h prefix.

00:40:22.320 --> 00:40:23.879
But some of them are not bound,

00:40:23.880 --> 00:40:26.679
for example, find-library or describe-face.

00:40:26.680 --> 00:40:29.519
Some of these I use pretty frequently.

00:40:29.520 --> 00:40:33.309
I was really having trouble coming up with

00:40:33.310 --> 00:40:35.174
descriptive-enough keybindings

00:40:35.175 --> 00:40:38.439
or short-enough keybindings for all of them.

00:40:38.440 --> 00:40:41.839
I put some of them here, for example, like

00:40:41.840 --> 00:40:43.559
C-c f l for find-library.

00:40:43.560 --> 00:40:47.319
But I can't do that for all of them.

00:40:47.320 --> 00:40:51.239
What I did was just do C-c h a or C-c h d.

00:40:51.240 --> 00:40:56.839
What this will do is basically, if I show that,

00:40:56.840 --> 00:41:01.279
It basically opens up M-x, fills in describe-,

00:41:01.280 --> 00:41:05.366
and then I can just type, for example, face,

00:41:05.367 --> 00:41:06.079
and that's it.

00:41:06.080 --> 00:41:08.839
So it basically opens up the minibuffer for me,

00:41:08.840 --> 00:41:11.759
pre-fills it with the string that I want, and I can

00:41:11.760 --> 00:41:13.959
type what is it that I'm looking for.

00:41:13.960 --> 00:41:15.319
And I found this to be

00:41:15.320 --> 00:41:18.999
better than trying to bind a million different

00:41:19.000 --> 00:41:20.719
keyboard things for describe this and that,

00:41:20.720 --> 00:41:23.359
apropos this and that, find this and that.

00:41:23.360 --> 00:41:27.439
So yeah and the way that we do that is to just use

00:41:27.440 --> 00:41:30.679
a minibuffer-with-setup-hook, and you just have a

00:41:30.680 --> 00:41:32.319
little lambda to insert the string that you give

00:41:32.320 --> 00:41:36.279
it, and then you invoke it.

00:41:36.280 --> 00:41:37.479
[Sacha]: Yeah, this is pretty cool.

00:41:37.480 --> 00:41:39.599
When I saw that in your config, I was like,

00:41:39.600 --> 00:41:41.132
I'm going to steal that.

00:41:41.133 --> 00:41:42.380
Pre-filling the minibuffer

00:41:42.381 --> 00:41:44.119
but still letting you do stuff with it,

00:41:44.120 --> 00:41:46.879
it's such a powerful thing, not just for

00:41:46.880 --> 00:41:49.359
completing the command itself, but even for when

00:41:49.360 --> 00:41:50.934
you're using the command,

00:41:50.935 --> 00:41:53.741
but you want to do something with the input before.

00:41:53.742 --> 00:41:55.871
You don't want to do it all the way,

00:41:55.872 --> 00:41:57.679
send it in and submit right away.

00:41:57.680 --> 00:42:00.199
You want to actually do something with it after you

00:42:00.200 --> 00:42:01.239
insert it.

00:42:01.240 --> 00:42:02.779
So great tip.

00:42:02.780 --> 00:42:04.119
[Amin]: Yeah.

00:42:04.120 --> 00:42:04.719
Thanks.

00:42:04.720 --> 00:42:05.879
Yeah, it's pretty useful.

00:42:05.880 --> 00:42:07.479
It's pretty nice.

00:42:07.480 --> 00:42:07.959
Yeah.

00:42:07.960 --> 00:42:11.359
And then back to the Emacs or EXWM stuff.

00:42:11.360 --> 00:42:18.039
So before I had, I used to yeah, sorry, go ahead.

00:42:18.040 --> 00:42:20.279
[Sacha]: Sorry.

00:42:20.280 --> 00:42:21.933
I forgot whether I was muted or unmuted.

00:42:21.934 --> 00:42:26.719
[Amin]: Okay, no worries.

NOTE
workspaces
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0041.jpg
#+SCREENSHOT_TIME: 00:42:56.600

00:42:26.720 --> 00:42:29.639
For the longest time, I had 10 default

00:42:29.640 --> 00:42:33.199
EXWM workspaces on startup, and that can slow

00:42:33.200 --> 00:42:35.399
things down a little bit.

00:42:35.400 --> 00:42:39.679
So I found that okay, I don't really use

00:42:39.680 --> 00:42:41.079
all 10 workspaces always.

00:42:41.080 --> 00:42:42.999
So I set it to 5.

00:42:43.000 --> 00:42:44.879
So I get five workspaces initially.

00:42:44.880 --> 00:42:48.439
But I still bind keys here.

00:42:48.440 --> 00:42:49.879
Like if we go down.

00:42:49.880 --> 00:42:53.839
Let's see.

00:42:53.840 --> 00:42:54.639
Here.

00:42:54.640 --> 00:42:59.999
So here, I define those keys for all the way from,

00:43:00.000 --> 00:43:03.599
let's say, from 0 to 9 for all 10.

00:43:03.600 --> 00:43:06.479
And then if I try to switch to a workspace that

00:43:06.480 --> 00:43:09.479
doesn't exist, then EXWM will just go ahead and

00:43:09.480 --> 00:43:10.759
create it for me.

00:43:10.760 --> 00:43:14.279
Yeah, so I found that pretty cool.

00:43:14.280 --> 00:43:15.839
You can create workspaces on the fly.

00:43:15.840 --> 00:43:19.219
Yeah.

00:43:19.220 --> 00:43:21.239
[Sacha]: Yeah, and I saw that it moves your current

00:43:21.240 --> 00:43:22.159
window there, too.

00:43:22.160 --> 00:43:23.719
So that's just like, OK.

00:43:23.720 --> 00:43:26.359
Let's move it to workspace number two or whatever.

00:43:26.360 --> 00:43:28.699
Very cool.

00:43:28.700 --> 00:43:29.119
[Amin]: Yeah, yeah, yeah.

00:43:29.120 --> 00:43:31.879
I have keys or convenience keys for moving

00:43:31.880 --> 00:43:33.079
some window to some workspace.

00:43:33.080 --> 00:43:34.399
Yeah, it's nice.

00:43:34.400 --> 00:43:36.199
Let's see.

00:43:36.200 --> 00:43:36.559
Let's see.

00:43:36.560 --> 00:43:37.519
Yeah.

00:43:37.520 --> 00:43:39.839
So these are just made key bindings.

00:43:39.840 --> 00:43:46.379
I use hjkl here for switching windows.

NOTE
ZSA Voyager split keyboard, super x as a single key
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0042.jpg
#+SCREENSHOT_TIME: 00:45:46.167

00:43:46.380 --> 00:43:50.439
I also have a ZSA Voyager split

00:43:50.440 --> 00:43:53.079
ergonomic keyboard.

00:43:53.080 --> 00:43:59.239
I can basically customize it infinitely.

00:43:59.240 --> 00:44:02.839
For example, I don't really have a super key on the

00:44:02.840 --> 00:44:03.479
first layer.

00:44:03.480 --> 00:44:06.559
What I have is a key that will do the s-x thingy,

00:44:06.560 --> 00:44:09.119
basically, my prefix.

00:44:09.120 --> 00:44:12.279
So that's the last missing piece is that if I'm

00:44:12.280 --> 00:44:14.959
at home and if I have this keyboard with me, then I

00:44:14.960 --> 00:44:17.079
just hit one key and then that's it.

00:44:17.080 --> 00:44:18.679
I'm in my prefix.

00:44:18.680 --> 00:44:21.479
But even if not, on the laptop, the s-x or the

00:44:21.480 --> 00:44:24.279
super comma are still easy enough for me to hit

00:44:24.280 --> 00:44:26.619
it with one hand.

00:44:26.620 --> 00:44:28.799
[Sacha]: Now I'm jealous and I definitely want

00:44:28.800 --> 00:44:31.759
to assign my prefixes to their own keys.

00:44:31.760 --> 00:44:32.319
Very tempting.

00:44:32.320 --> 00:44:34.999
I've started using the numpad because my laptop has

00:44:35.000 --> 00:44:35.879
one.

00:44:35.880 --> 00:44:39.679
I only use the numpad rarely, but we all need more

00:44:39.680 --> 00:44:42.679
keys.

00:44:42.680 --> 00:44:45.039
[Amin]: Yeah, ergonomic keyboards are pretty nice,

00:44:45.040 --> 00:44:48.479
especially these ones. For example, the ZSA ones where

00:44:48.480 --> 00:44:52.879
you can put QMK on it, the QMK firmware. You can

00:44:52.880 --> 00:44:59.239
define keys in a C file. I can actually show that.

00:44:59.240 --> 00:45:16.239
Let's see… QMK Firmware, Keyboards, ZSA,

00:45:16.240 --> 00:45:26.519
Voyager, Bandali, and then keymap.c.

00:45:26.520 --> 00:45:32.619
[Sacha]: Is this in your repository somewhere?

00:45:32.620 --> 00:45:34.959
[Amin]: Right. It's in a different repository, but it's

00:45:34.960 --> 00:45:38.319
still on https://git.kelar.org next to my configs

00:45:38.320 --> 00:45:44.399
repository. You can find this as well, but if I go

00:45:44.400 --> 00:45:46.159
smaller…

00:45:46.160 --> 00:45:50.279
Yeah, you can define keys here and have different

00:45:50.280 --> 00:45:51.639
layers, like the base layer.

00:45:51.640 --> 00:45:54.959
And then you can define a key to switch between

00:45:54.960 --> 00:45:58.039
different layers and put some of the keys there anyway.

00:45:58.040 --> 00:46:02.479
So yeah, it's a whole rabbit hole in and of itself.

00:46:02.480 --> 00:46:05.639
Prot also uses a split ergonomic keyboard.

00:46:05.640 --> 00:46:08.759
It really does help if you're typing for long

00:46:08.760 --> 00:46:10.639
periods of time.

00:46:10.640 --> 00:46:15.159
I actually had these for a while, and I wasn't using

00:46:15.160 --> 00:46:18.039
them too much, but I started slowly getting some pain

00:46:18.040 --> 00:46:19.679
in my wrists and here.

00:46:19.680 --> 00:46:22.639
So I was like, okay, I have the keyboard,

00:46:22.640 --> 00:46:24.959
might as well put it to good use, and I've started

00:46:24.960 --> 00:46:26.839
using it.

NOTE
Keybindings
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0043.jpg
#+SCREENSHOT_TIME: 00:46:53.767

00:46:26.840 --> 00:46:28.839
[Sacha]: Okay, so most of your keyboard shortcuts come

00:46:28.840 --> 00:46:33.319
off that kind of s-x or C-c something, and

00:46:33.320 --> 00:46:36.759
then you have a long prefix sequence, and you just

00:46:36.760 --> 00:46:39.759
remember everything or you use your…

00:46:39.760 --> 00:46:44.959
pre-fill some of it and then fill in the rest of the

00:46:44.960 --> 00:46:50.859
command.

00:46:50.860 --> 00:46:53.759
[Amin]: Pretty much all my window management related

00:46:53.760 --> 00:46:58.079
keys are on this s-x prefix that I'm showing here.

00:46:58.080 --> 00:47:02.119
And then I have a few other ones which I think I

00:47:02.120 --> 00:47:02.679
showed earlier.

00:47:02.680 --> 00:47:04.879
Is it this one?

00:47:04.880 --> 00:47:08.679
Anyway, I bind a few general keys outside of the

00:47:08.680 --> 00:47:12.600
s-x thing, like C-c e i.

00:47:12.601 --> 00:47:17.033
For example, I have C-c e e for eval-last-sexp.

00:47:17.034 --> 00:47:19.367
I do that a lot, so it's easy to hit that.

00:47:19.368 --> 00:47:23.379
Making frames or deleting frames.

00:47:23.380 --> 00:47:26.633
[Sacha]: I love how Emacs uptime is something you use

00:47:26.634 --> 00:47:31.379
frequently enough that you have a keyboard shortcut for it.

00:47:31.380 --> 00:47:32.233
[Amin]: Yeah, of course.

00:47:32.234 --> 00:47:34.100
I mean, I'm sometimes curious to see how long has my

00:47:34.101 --> 00:47:42.019
Emacs session been running.

00:47:42.020 --> 00:47:44.559
To continue with the EXWM stuff, let's see.

00:47:44.560 --> 00:47:49.559
This is just some keybindings I define here.

00:47:49.560 --> 00:47:51.399
It's all Emacs Lisp, right?

00:47:51.400 --> 00:47:52.119
It's amazing.

00:47:52.120 --> 00:47:55.119
You can mapc over whatever sequence and create

00:47:55.120 --> 00:47:57.519
keybindings like that.

00:47:57.520 --> 00:47:59.999
Only with Emacs we can do things like that.

00:48:00.000 --> 00:48:02.359
I just love it.

00:48:02.360 --> 00:48:05.040
Let's see.

NOTE
Media buttons
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0044.jpg
#+SCREENSHOT_TIME: 00:48:36.200

00:48:05.080 --> 00:48:08.079
I still keep these three other keys for raising and

00:48:08.080 --> 00:48:12.799
lowering the volume and toggling mute off of that

00:48:12.800 --> 00:48:16.879
prefix and just directly on my keyboard, hitting it

00:48:16.880 --> 00:48:21.359
directly in the exwm-input-global-keys because I do

00:48:21.360 --> 00:48:24.279
that very, very frequently.

00:48:24.280 --> 00:48:26.599
But I also have scripts that I can invoke.

00:48:26.600 --> 00:48:30.239
I should do keycast.

00:48:30.240 --> 00:48:36.179
So yeah, I can

00:48:36.180 --> 00:48:37.639
invoke the prefix with semicolon.

00:48:37.640 --> 00:48:41.919
I can set my volume here, adjust it here, type in what

00:48:41.920 --> 00:48:47.039
volume I want, or with the single quote, I can enter a

00:48:47.040 --> 00:48:49.079
value for the screen brightness.

00:48:49.080 --> 00:48:51.359
I like these things to be exact depending on the

00:48:51.360 --> 00:48:52.039
lighting in the room.

00:48:52.040 --> 00:48:58.039
I have preferred brightness values of 50 or 12 or 10

00:48:58.040 --> 00:49:00.039
that I manually adjust.

00:49:00.040 --> 00:49:04.999
I guess it's a poor man's version of having something

00:49:05.000 --> 00:49:08.959
with a light sensor that can pick up and adjust

00:49:08.960 --> 00:49:11.599
automatically.

00:49:11.600 --> 00:49:12.279
I do it manually.

00:49:12.280 --> 00:49:12.959
Yeah.

00:49:12.960 --> 00:49:17.179
Sorry, you just muted yourself again.

00:49:17.180 --> 00:49:19.799
[Sacha]: You're just probably this close to writing

00:49:19.800 --> 00:49:22.119
the Emacs Lisp that takes your webcam image and then

00:49:22.120 --> 00:49:22.879
adjusts your light.

00:49:22.880 --> 00:49:25.639
But I think Prot was also saying he likes to do the

00:49:25.640 --> 00:49:27.999
lighting changes manually as well because warmer

00:49:28.000 --> 00:49:30.439
colors versus cooler colors and all of that stuff.

00:49:30.440 --> 00:49:32.839
Anyway, so you have all these buttons that EXWM

00:49:32.840 --> 00:49:36.639
listens to and it can launch various things for.

00:49:36.640 --> 00:49:41.899
That's a lot of things.

00:49:41.900 --> 00:49:43.279
[Amin]: Yeah, those are pretty cool.

NOTE
exwm-input-simulation-keys!
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0045.jpg
#+SCREENSHOT_TIME: 00:50:08.267

00:49:43.280 --> 00:49:45.959
EXWM has this lovely feature called input

00:49:45.960 --> 00:49:47.239
simulation keys where

00:49:47.240 --> 00:49:50.439
You can basically use it to bring Emacs key bindings

00:49:50.440 --> 00:49:53.799
to other applications like Firefox or whatever.

00:49:53.800 --> 00:49:55.959
And yeah, it's mind blowing when you try it for the

00:49:55.960 --> 00:49:56.639
first time.

00:49:56.640 --> 00:50:00.719
for example, I bind C-b to just hit

00:50:00.720 --> 00:50:02.879
the left arrow on the keyboard.

00:50:02.880 --> 00:50:04.999
And it does that.

00:50:05.000 --> 00:50:08.239
So I can define all of these commands that I'm using

00:50:08.240 --> 00:50:10.279
or used to using in Emacs.

00:50:10.280 --> 00:50:14.279
So I can get them in Firefox or other applications as

00:50:14.280 --> 00:50:14.519
well.

00:50:14.520 --> 00:50:16.959
Realistically, it's mostly Firefox.

00:50:16.960 --> 00:50:19.319
It's the only other program that I spend any

00:50:19.320 --> 00:50:21.159
reasonable amount of time outside of Emacs.

00:50:21.197 --> 00:50:24.199
[Sacha]: Let me point out this very important one that

00:50:24.200 --> 00:50:25.039
you have there.

00:50:25.040 --> 00:50:28.239
Under selection/cut/copy/paste, I see a C-w

00:50:28.240 --> 00:50:30.519
input simulation key.

00:50:30.520 --> 00:50:33.079
So this is for all the people who have accidentally

00:50:33.080 --> 00:50:36.079
closed their browser tab while trying to copy text.

00:50:36.080 --> 00:50:38.239
This is how you solve that problem.

00:50:38.240 --> 00:50:41.879
Use EXWM and use EXWM input simulation keys and you

00:50:41.880 --> 00:50:45.599
don't have to accidentally close your browser tabs

00:50:45.600 --> 00:50:46.439
again.

00:50:46.440 --> 00:50:49.039
@blaiseutube asks, hey, what about time since last save?

00:50:49.040 --> 00:50:51.319
Or do you have some kind of autosave magic?

00:50:51.320 --> 00:50:55.399
you know, in reference to the uptime thing,

00:50:55.400 --> 00:50:56.119
right?

00:50:56.120 --> 00:51:04.679
You have this thing that shows you…

00:51:04.680 --> 00:51:05.359
[Amin]: I don't think I have anything for autosave,

00:51:05.360 --> 00:51:12.079
but I have this habit of… I save everything pretty

00:51:12.080 --> 00:51:13.239
regularly.

00:51:13.240 --> 00:51:15.359
Yeah, so I've never really needed that feature, but

00:51:15.360 --> 00:51:18.199
I'm sure Emacs has something where you can, at the

00:51:18.200 --> 00:51:21.239
very least, just very dumb, simple implementation of

00:51:21.240 --> 00:51:24.519
has it been idle for one minute, then just do a save

00:51:24.520 --> 00:51:25.599
buffer.

00:51:25.600 --> 00:51:27.759
You can roll your own.

00:51:27.760 --> 00:51:29.999
But I don't have anything.

00:51:30.000 --> 00:51:30.360
[Sacha]: All right.

00:51:30.401 --> 00:51:34.359
I'm getting really tempted now to try out EXWM, even

00:51:34.360 --> 00:51:37.919
if it's just for those global keyboard remapping

00:51:37.920 --> 00:51:39.339
things.

NOTE
exwm: managing floating windows
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0046.jpg
#+SCREENSHOT_TIME: 00:51:43.100

00:51:39.340 --> 00:51:43.079
How is it for windows that you've got to have floating?

00:51:43.080 --> 00:51:46.559
I feel like it's very good at handling tiling things,

00:51:46.560 --> 00:51:49.599
but how is it for sometimes the apps kind of really

00:51:49.600 --> 00:51:52.439
want the floating window?

00:51:52.440 --> 00:51:54.879
[Amin]: Right, yeah, so you can toggle any window to

00:51:54.880 --> 00:51:58.279
be floating or not, and you can also - actually, we're

00:51:58.280 --> 00:52:01.359
just looking at it here. EXWM manage configurations,

00:52:01.360 --> 00:52:06.039
to match on the instance name or the class name of a

00:52:06.040 --> 00:52:10.199
window that you can get from xprop, to automatically

00:52:10.200 --> 00:52:14.959
make that tiling. For example, if I do my prefix and

00:52:14.960 --> 00:52:18.159
then capital T, it launches a floating terminal for me

00:52:18.160 --> 00:52:21.039
here.

00:52:21.040 --> 00:52:25.839
And if I go back to where I set it up, I just launch

00:52:25.840 --> 00:52:27.719
Xterm with the -name argument.

00:52:27.720 --> 00:52:30.159
This is where it can set the instance.

00:52:30.160 --> 00:52:32.759
And I just put any string you can want, like floating,

00:52:32.760 --> 00:52:33.359
for example.

00:52:33.360 --> 00:52:37.399
And then here in my configuration, I just check that

00:52:37.400 --> 00:52:40.079
if the instance name is floating, then I'll go ahead

00:52:40.080 --> 00:52:41.519
and float the window.

00:52:41.520 --> 00:52:43.919
Simple as that.

00:52:43.920 --> 00:52:45.639
[Sacha]: All right.

00:52:45.640 --> 00:52:49.879
This is starting to look exceedingly tempting.

00:52:49.880 --> 00:52:53.839
Lol, I save everything regularly, so he's one of those

00:52:53.840 --> 00:53:00.639
people who compulsively hit C-x C-s.

00:53:00.640 --> 00:53:01.639
[Amin]: Yeah, I do that a lot.

00:53:01.640 --> 00:53:02.239
I don't know.

00:53:02.240 --> 00:53:02.999
It's just me.

00:53:03.000 --> 00:53:04.759
But, yeah.

00:53:04.760 --> 00:53:05.239
Yeah.

00:53:05.240 --> 00:53:09.399
And then, I don't know.

00:53:09.400 --> 00:53:10.999
EXWM is awesome.

NOTE
exwm: application-specific local simulation keys
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0047.jpg
#+SCREENSHOT_TIME: 00:53:11.000

00:53:11.000 --> 00:53:13.879
You can also put local simulation keys,

00:53:13.880 --> 00:53:16.999
application-specific simulation keys, depending

00:53:17.000 --> 00:53:19.999
on, the application, terminals, for

00:53:20.000 --> 00:53:21.559
example, or, Zathura.

00:53:21.560 --> 00:53:23.079
This is a PDF viewer.

00:53:23.080 --> 00:53:28.759
To have application-specific custom key bindings,

00:53:28.760 --> 00:53:29.999
how cool is that?

00:53:30.000 --> 00:53:33.199
For example, if I'm in Xterm or something like the

00:53:33.200 --> 00:53:37.879
Mate terminal, hitting C-c C-c twice basically,

00:53:37.880 --> 00:53:40.919
it'll just send the C-c key to the terminal.

00:53:40.920 --> 00:53:43.879
Because one thing with EXWM is that you can set it to

00:53:43.880 --> 00:53:47.639
capture a couple of Emacs prefixes, like C-x or

00:53:47.640 --> 00:53:48.079
C-c.

00:53:48.080 --> 00:53:52.399
So the application by default doesn't see it because

00:53:52.400 --> 00:53:53.279
Emacs captures it.

00:53:53.280 --> 00:53:54.959
But this is one of those

00:53:54.960 --> 00:53:59.599
mechanisms by which you can send a key through.

00:53:59.600 --> 00:54:04.219
Let's see.

NOTE binding C-q to exwm-input-send-next-key

00:54:04.220 --> 00:54:09.639
The other thing is, you can set it like EXWM inputs

00:54:09.640 --> 00:54:10.999
send next key.

00:54:11.000 --> 00:54:13.999
So the default is C-c C-q, but I just

00:54:14.000 --> 00:54:19.319
bind it to C-q, and I, for example, can do

00:54:19.320 --> 00:54:21.639
C-q C-t to send C-t to the

00:54:21.640 --> 00:54:22.679
underlying application.

00:54:22.680 --> 00:54:24.159
So that's the other thing.

00:54:24.160 --> 00:54:28.579
Yeah, and then let's see.

NOTE
Renaming buffers
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0049.jpg
#+SCREENSHOT_TIME: 00:55:05.333

00:54:28.580 --> 00:54:31.239
So this thingy here, I enable EXWM and I add this

00:54:31.240 --> 00:54:35.199
rename hook and all it does is basically to add the

00:54:35.200 --> 00:54:41.559
window titles to the buffer that I can see on the

00:54:41.560 --> 00:54:43.479
mode line.

00:54:43.480 --> 00:54:45.599
But as long as it's within a certain

00:54:45.600 --> 00:54:47.759
reasonable length, like for example, I have 25

00:54:47.760 --> 00:54:48.239
characters.

00:54:48.240 --> 00:54:51.479
If it's longer than that, it will just put dot dot dot (...).

00:54:51.480 --> 00:54:53.879
So yeah, that's all the purpose of that.

00:54:53.880 --> 00:55:00.599
Let's see, for example, if I launch Xterm, it appears

00:55:00.600 --> 00:55:01.439
there.

00:55:01.440 --> 00:55:05.319
The perfect example is actually here on the right-hand

00:55:05.320 --> 00:55:05.519
side.

00:55:05.520 --> 00:55:08.159
On the mode line, we see Firefox ESR Emacs Chat.

00:55:08.160 --> 00:55:11.079
It's a bit long, so it just puts the dot dot dot there.

00:55:11.080 --> 00:55:16.919
So that's all that does.

00:55:16.920 --> 00:55:19.759
[Sacha]: Yeah, now being able to use Emacs to manage

00:55:19.760 --> 00:55:21.919
the tiling of these things instead of my having to

00:55:21.920 --> 00:55:26.079
fiddle with alt-dragging things to snap nicely into

00:55:26.080 --> 00:55:26.639
buffers.

00:55:26.640 --> 00:55:28.759
Yes, very cool stuff.

00:55:28.760 --> 00:55:29.559
EXWM.

00:55:29.560 --> 00:55:32.739
Gotta try it.

00:55:32.740 --> 00:55:34.399
[Amin]: Yeah, for sure.

00:55:34.400 --> 00:55:36.279
Yeah, let's see.

NOTE
dunst for notifications
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0050.jpg
#+SCREENSHOT_TIME: 00:55:36.300

00:55:36.280 --> 00:55:38.359
Here I launch Dunst if the executable is

00:55:38.360 --> 00:55:40.959
installed for getting notifications in EXWM.

00:55:40.960 --> 00:55:44.839
I think there's at least one or two Emacs specific

00:55:44.840 --> 00:55:48.039
packages that implement a simple notification

00:55:48.040 --> 00:55:51.599
daemon or backend so that Emacs itself can handle

00:55:51.600 --> 00:55:52.039
that.

00:55:52.040 --> 00:55:54.679
But I found Dunst good enough for my use cases coming

00:55:54.680 --> 00:55:57.399
from i3, Sway, like tiling window manager

00:55:57.400 --> 00:55:58.639
background.

00:55:58.640 --> 00:56:00.559
I just reuse that.

00:56:00.560 --> 00:56:05.719
So yeah, I just start a process, keep a handle of it

00:56:05.720 --> 00:56:07.759
in this bandali--dunst-process variable here.

00:56:07.760 --> 00:56:11.919
And this thing I discovered recently, it's cool.

00:56:11.920 --> 00:56:15.279
using set-process-query-on-exit-flag, you

00:56:15.280 --> 00:56:18.159
can basically have Emacs not ask you if you want to

00:56:18.160 --> 00:56:21.159
exit Emacs if that process is still running.

00:56:21.160 --> 00:56:23.359
It'll just kill it without confirming with you.

00:56:23.360 --> 00:56:27.199
So just a little convenience.

00:56:27.200 --> 00:56:29.279
[Sacha]: That is also cool.

00:56:29.280 --> 00:56:31.479
Just a heads up, I have about 15 minutes before the

00:56:31.480 --> 00:56:34.919
kiddo runs out because she'll be done with school then.

00:56:34.920 --> 00:56:37.879
Even just the EXWM part and other things that you've

00:56:37.880 --> 00:56:41.599
shown us in the config have been super awesome.

00:56:41.600 --> 00:56:44.599
But are there other things in the next 15 minutes that

00:56:44.600 --> 00:56:47.519
you would love to show people so that they can see how

00:56:47.520 --> 00:56:54.539
it works in practice?

NOTE
exwm xsettings and responding to screen configuration changes
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0051.jpg
#+SCREENSHOT_TIME: 00:57:13.733

00:56:54.540 --> 00:56:55.999
[Amin]: One thing I'll just mention, EXWM,

00:56:56.000 --> 00:56:59.319
one more thing, and then I'll go check.

00:56:59.320 --> 00:57:04.679
I think this is kind of recent: EXWM xsettings, and

00:57:04.680 --> 00:57:10.439
this allows you to dynamically at runtime change some

00:57:10.440 --> 00:57:13.719
of these things that you would normally set in an X

00:57:13.720 --> 00:57:20.839
resources file, like fonts. These kinds of settings

00:57:20.840 --> 00:57:24.759
were especially commonplace back when Wayland wasn't a

00:57:24.760 --> 00:57:27.279
thing or wasn't very popular. You would set some of

00:57:27.280 --> 00:57:28.399
these font settings there.

00:57:28.400 --> 00:57:31.999
With EXWM xsettings, you can do this dynamically,

00:57:32.000 --> 00:57:39.119
and what's awesome about that is it also lets you hook

00:57:39.120 --> 00:57:43.119
into, for example, if your screen configuration

00:57:43.120 --> 00:57:47.839
changes, if you plug in a monitor or unplug it, then

00:57:47.840 --> 00:57:53.399
you can run whatever xrandr command to set it up and

00:57:53.400 --> 00:57:55.199
also adjust those settings.

00:57:55.200 --> 00:57:59.399
The main thing I use it for is to change the DPI

00:57:59.400 --> 00:58:03.639
setting. The thing with X11 or Xorg is, unfortunately,

00:58:03.640 --> 00:58:07.439
there's no per-monitor DPI. There's one global DPI.

00:58:07.440 --> 00:58:11.799
But I found that on my high-DPI laptop screen, if I

00:58:11.800 --> 00:58:16.159
set the resolution to 1920x1080 instead of the full

00:58:16.160 --> 00:58:20.079
resolution, then the default DPI of 96 works just fine

00:58:20.080 --> 00:58:24.479
with my external monitor as well. All this little hook

00:58:24.480 --> 00:58:28.079
does, by calling into this function, is: if I'm

00:58:28.080 --> 00:58:30.879
plugging in my external monitor, lower the resolution

00:58:30.880 --> 00:58:35.119
and lower the DPI, and if I unplug it, go back to the

00:58:35.120 --> 00:58:39.359
high thing. I just love this.

00:58:39.360 --> 00:58:40.533
[Sacha]: That's great.

00:58:40.534 --> 00:58:42.199
We're definitely not going to demonstrate that because

00:58:42.200 --> 00:58:44.079
plugging in and unplugging monitors is not a good

00:58:44.080 --> 00:58:47.279
thing for screen sharing, but that sounds really cool.

00:58:47.280 --> 00:58:50.559
When things change, you can actually get your system

00:58:50.560 --> 00:58:53.399
to adapt to the changes for you.

00:58:53.400 --> 00:58:54.359
[Amin]: Yeah, it's lovely.

00:58:54.360 --> 00:58:55.559
Let's see.

00:58:55.560 --> 00:58:59.879
There's so much more to talk about.

NOTE Slowly getting back into Org mode

00:58:59.880 --> 00:59:03.359
I'm slowly getting back into Org Mode again.

00:59:03.360 --> 00:59:08.479
For the longest time, I didn't use it and I just used

00:59:08.480 --> 00:59:10.119
Markdown for my website as well.

00:59:10.120 --> 00:59:13.119
But I found that it's kind of limited.

00:59:13.120 --> 00:59:15.919
For example, I was using a Markdown implementation

00:59:15.920 --> 00:59:19.199
that was written in C and I can't easily customize it.

00:59:19.200 --> 00:59:23.919
Whereas with Org, I can hook into or create

00:59:23.920 --> 00:59:26.519
my custom HTML backend that's a

00:59:26.520 --> 00:59:30.479
derivative of ox-html, even if I don't necessarily like

00:59:30.480 --> 00:59:33.759
the defaults or the settings for ox-html.

00:59:33.760 --> 00:59:38.359
I just recently started writing a new backend called

00:59:38.360 --> 00:59:41.079
bhtml for Bandali HTML.

00:59:41.080 --> 00:59:43.439
It's just a boilerplate.

00:59:43.440 --> 00:59:46.459
I don't have much there yet, but that's the idea.

00:59:46.460 --> 00:59:49.199
[Sacha]: I love how you can hook into all of these different

00:59:49.200 --> 00:59:52.119
aspects of Emacs and get it to do exactly what you

00:59:52.120 --> 00:59:53.979
want.

00:59:53.980 --> 00:59:54.679
[Amin]: Yeah, so that's cool.

00:59:54.680 --> 00:59:58.159
Let's see.

NOTE
chat notes
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0052.jpg
#+SCREENSHOT_TIME: 01:00:16.067

00:59:58.160 --> 01:00:01.319
I have written some things about the prompt for this

01:00:01.320 --> 01:00:01.679
meeting.

01:00:01.680 --> 01:00:08.999
Yeah, so I talked about that stuff briefly.

01:00:09.000 --> 01:00:11.639
Minibuffer setup.

01:00:11.640 --> 01:00:14.559
Things that I love about my setup is that it's kind of

01:00:14.560 --> 01:00:16.039
portable, simple.

01:00:16.040 --> 01:00:18.839
People can easily copy things from it if they want.

01:00:18.840 --> 01:00:20.159
It's kind of self-contained.

01:00:20.160 --> 01:00:23.319
And that was kind of a big thing a while back when I

01:00:23.320 --> 01:00:27.159
wanted to use my configurations on a couple of work

01:00:27.160 --> 01:00:28.199
machines.

01:00:28.200 --> 01:00:32.799
And these don't have direct outbound internet access.

01:00:32.800 --> 01:00:36.599
So I couldn't do things like installing packages with

01:00:36.600 --> 01:00:39.759
ELPA because that's done over HTTP.

01:00:39.760 --> 01:00:42.879
So yeah, I use submodules now.

01:00:42.880 --> 01:00:47.439
I recently began documenting my setup, very much

01:00:47.440 --> 01:00:52.139
inspired by Prot and Sacha and others.

NOTE Mode line

01:00:52.140 --> 01:00:54.759
The things that I'm looking forward to tweaking next

01:00:54.760 --> 01:00:55.759
is the mode line.

01:00:55.760 --> 01:00:58.933
This is basically the default mode line of Emacs.

01:00:58.934 --> 01:01:01.879
A couple versions ago, they added a setting for

01:01:01.880 --> 01:01:03.479
compacting the mode line, which

01:01:03.480 --> 01:01:06.733
improves a lot of the extraneous whitespace in it,

01:01:06.734 --> 01:01:07.700
which is great.

01:01:07.701 --> 01:01:10.100
It's still… There's too much information.

01:01:10.101 --> 01:01:12.733
If you use multiple windows

01:01:12.734 --> 01:01:14.067
or even especially if you use EXWM

01:01:14.068 --> 01:01:16.900
all of those things like the date

01:01:16.901 --> 01:01:18.467
or like the battery get repeated

01:01:18.468 --> 01:01:20.000
in all of the windows,

01:01:20.001 --> 01:01:22.000
so I'm looking forward to

01:01:22.001 --> 01:01:24.700
doing my mode line in such a way that

01:01:24.701 --> 01:01:29.619
for example, it shows most of those things.

01:01:29.620 --> 01:01:31.500
And Prot actually has

01:01:31.501 --> 01:01:32.900
an excellent video about that

01:01:32.901 --> 01:01:35.667
where he shows how you can create

01:01:35.668 --> 01:01:38.739
your own custom mode line.

01:01:38.740 --> 01:01:39.700
[Sacha]: I've also been tempted

01:01:39.701 --> 01:01:41.833
to start using the header line too

01:01:41.834 --> 01:01:42.833
because that's another thing

01:01:42.834 --> 01:01:45.799
that you can put information in.

01:01:45.800 --> 01:01:49.319
[Amin]: Right, yep, header-line is awesome.

NOTE display-buffer-alist

01:01:49.320 --> 01:01:50.319
[Sacha]: Yeah, the display-buffer-alist

01:01:50.320 --> 01:01:51.799
is particularly powerful

01:01:51.800 --> 01:01:54.799
because you're combining it with EXWM, so it'd be

01:01:54.800 --> 01:01:58.959
interesting to see how you can manage windows and

01:01:58.960 --> 01:02:01.479
applications and stuff.

01:02:01.480 --> 01:02:02.833
[Amin]: Especially, just like how we saw

01:02:02.834 --> 01:02:03.599
in today's video call

01:02:03.600 --> 01:02:05.959
and also a call that I had with Prot recently.

01:02:05.960 --> 01:02:08.119
For example, if I open a describe-variable or

01:02:08.120 --> 01:02:11.999
something, it'll by default use the right area of the

01:02:12.000 --> 01:02:14.999
screen right now where our video is.

01:02:15.000 --> 01:02:15.639
So it reuses that.

01:02:15.640 --> 01:02:21.439
So I'm also looking forward to reading more about and

01:02:21.440 --> 01:02:23.480
configuring display-buffer-alist.

NOTE TRAMP slowness, maybe disabling VC detection?

01:02:23.481 --> 01:02:24.619
I'd like to figure out some TRAMP slowness.

01:02:24.620 --> 01:02:25.679
I recently tried using it again.

01:02:25.680 --> 01:02:26.199
It's awesome.

01:02:26.200 --> 01:02:30.039
You can seamlessly open files, SSH into other

01:02:30.040 --> 01:02:31.399
machines and edit files there.

01:02:31.400 --> 01:02:33.039
But I don't know.

01:02:33.040 --> 01:02:33.959
It's kind of slow.

01:02:33.960 --> 01:02:36.919
So I want to see aside from the latency, you know, the

01:02:36.920 --> 01:02:40.759
physical limit of the latency because of the distance.

01:02:40.760 --> 01:02:43.479
Is there anything slowing it down?

01:02:43.480 --> 01:02:47.439
I think I read in the Tramp FAQ that maybe trying to

01:02:47.440 --> 01:02:53.479
disable VC mode or VC detection for remote connections

01:02:53.480 --> 01:02:56.119
might help speed it up, or at least having it do only

01:02:56.120 --> 01:03:00.479
Git, for example, because by default, Emacs's VC has

01:03:00.480 --> 01:03:07.399
support for Mercurial, CVS, SVN, Git, RCS even.

01:03:07.400 --> 01:03:09.639
[Sacha]: Anything anyone has ever wanted to use in the

01:03:09.640 --> 01:03:10.879
last 40 years.

01:03:10.880 --> 01:03:13.519
Here we go.

01:03:13.520 --> 01:03:18.879
I saw in your chat config actually that you were doing

01:03:18.880 --> 01:03:23.079
something with the SSH configs and I'd never come

01:03:23.080 --> 01:03:23.799
across that.

01:03:23.800 --> 01:03:29.879
So I was like, oh, that's something I should look into

01:03:29.880 --> 01:03:32.639
later.

01:03:32.640 --> 01:03:34.159
[Amin]: I don't remember the specifics, but it's all

01:03:34.160 --> 01:03:34.839
out there.

01:03:34.840 --> 01:03:39.239
Feel free to look into it.

NOTE eat

01:03:39.240 --> 01:03:42.959
Especially with this EXWM setup, I still use Xterm

01:03:42.960 --> 01:03:45.919
sometimes and I have the Emacs EAT terminal, which is

01:03:45.920 --> 01:03:49.799
a terminal emulator written in Emacs Lisp.

01:03:49.800 --> 01:03:53.159
If I launch it right now, it's awesome.

01:03:53.160 --> 01:03:57.119
It actually is very powerful and it's a properly

01:03:57.120 --> 01:03:58.479
capable terminal emulator.

01:03:58.480 --> 01:04:00.719
It just can be a little bit slow.

01:04:00.720 --> 01:04:04.319
It is slower than xterm, but it's still a lot faster

01:04:04.320 --> 01:04:06.119
than whatever Emacs has built in.

01:04:06.120 --> 01:04:07.519
So this is pretty cool.

01:04:07.520 --> 01:04:10.159
But yeah, I don't want to use it a lot.

01:04:10.160 --> 01:04:13.919
And I kind of started testing, delegating more

01:04:13.920 --> 01:04:18.119
things or using more async-shell-command to just

01:04:18.120 --> 01:04:20.679
basically open this prompt and then do whatever I

01:04:20.680 --> 01:04:21.159
want.

01:04:21.160 --> 01:04:22.879
anyway.

01:04:22.880 --> 01:04:26.839
[Sacha]: I've also heard things about Ghost TTY.

01:04:26.840 --> 01:04:30.599
Anyway, so that's another thing to look into.

01:04:30.600 --> 01:04:36.959
Yes, so @Paniash47 says, "With Emacs 31, there's a new

01:04:36.960 --> 01:04:38.759
variable where you can hide the minor modes in the

01:04:38.760 --> 01:04:39.079
mode line."

01:04:39.080 --> 01:04:41.559
@pkal says it's mode-line-collapse-minor-modes.

01:04:41.560 --> 01:04:44.599
And @Paniash47 also says, "I personally use the Minions

01:04:44.600 --> 01:04:47.679
package by Tarsius, and it has some nice features in

01:04:47.680 --> 01:04:48.959
addition to the built-in features."

01:04:48.960 --> 01:04:51.008
So other people are tinkering around

01:04:51.009 --> 01:04:52.919
with their mode lines as well.

01:04:58.320 --> 01:04:58.919
[Amin]: Yeah, it's pretty cool.

01:04:58.920 --> 01:05:02.479
And then I don't know, I think maybe you touched on

01:05:02.480 --> 01:05:04.399
something a couple of minutes ago that I was going to

01:05:04.400 --> 01:05:07.179
go back to, but I forget.

NOTE TRAMP completion

01:05:07.180 --> 01:05:09.999
[Sacha]: Tramp SSH completion out of your configs.

01:05:10.000 --> 01:05:12.919
I was like, there's a Tramp sconfig in here that I've

01:05:12.920 --> 01:05:13.639
never used.

01:05:13.640 --> 01:05:15.119
And that sounded interesting.

01:05:15.120 --> 01:05:20.839
Yeah, tramp-parse-sconfig.

01:05:20.840 --> 01:05:24.699
[Amin]: Ah, right, right, right. Yeah.

01:05:24.700 --> 01:05:26.599
[Sacha]: Which, of course, we're not going to let go

01:05:26.600 --> 01:05:29.359
because it's private stuff, but yeah.

01:05:29.360 --> 01:05:29.999
[Amin]: Right.

01:05:30.000 --> 01:05:31.199
Yeah, you're welcome to try this.

01:05:31.200 --> 01:05:33.319
I'm pretty sure, actually, I took this from the Tramp

01:05:33.320 --> 01:05:34.159
manual itself.

01:05:34.160 --> 01:05:37.679
And it's one of those things where it's set and

01:05:37.680 --> 01:05:40.719
forget, I don't remember.

01:05:40.720 --> 01:05:41.639
But yeah, it's here.

01:05:41.640 --> 01:05:45.519
There was something else that I also wanted to show,

01:05:45.520 --> 01:05:46.159
but I forget.

01:05:46.160 --> 01:05:49.759
Let me see if looking at the outlines will remind me

01:05:49.760 --> 01:05:52.539
or if I will see it.

01:05:52.540 --> 01:05:53.799
[Sacha]: And that's one of the things I love about

01:05:53.800 --> 01:05:56.199
literate configuration is, you know, just kind of look

01:05:56.200 --> 01:05:59.479
at the structure and skim it and try to find something

01:05:59.480 --> 01:06:03.839
with keywords and ordered lists and all that stuff.

01:06:03.840 --> 01:06:07.799
[Amin]: Right. Yup. Exactly.

01:06:07.800 --> 01:06:10.039
[Sacha]: Oh, and you know, people will have access to

01:06:10.040 --> 01:06:12.119
your full configuration because it is in your

01:06:12.120 --> 01:06:14.999
repository and you have that lovely HTML export for it

01:06:15.000 --> 01:06:15.559
as well.

01:06:15.560 --> 01:06:20.159
So if you, uh, if, if people want to follow up, they

01:06:20.160 --> 01:06:20.799
can go through that

01:06:20.800 --> 01:06:24.319
at length. At some point, you're going to add some more

01:06:24.320 --> 01:06:27.919
screenshots and possibly even video clips to it.

01:06:27.920 --> 01:06:34.539
so that's there you at https://git.kelar.org

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0053.jpg
#+SCREENSHOT_TIME: 01:06:34.567

01:06:34.540 --> 01:06:36.159
[Amin]: This is my configurations repository.

01:06:36.160 --> 01:06:41.159
If you go here to treeview .emacs.d, this is the org

01:06:41.160 --> 01:06:41.919
file.

01:06:41.920 --> 01:06:45.639
I also export all of those individual components into

01:06:45.640 --> 01:06:47.279
this lisp subdirectory.

01:06:47.280 --> 01:06:49.319
All that stuff is here.

01:06:49.320 --> 01:06:54.299
The QMK thingy that was mentioned.

NOTE
ffs: form feed slides, ^L
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0054.jpg
#+SCREENSHOT_TIME: 01:08:15.933

01:06:54.300 --> 01:06:55.359
Oh, I wanted to mention FFS.

01:06:55.360 --> 01:06:56.399
Okay, I'll do that as well.

01:06:56.400 --> 01:06:57.959
Yeah, what's up with that?

01:06:57.960 --> 01:06:59.199
[Sacha]: I was trying to find information.

01:06:59.200 --> 01:07:00.559
It was like, there's no package.

01:07:00.560 --> 01:07:05.539
It's not what is this thing?

01:07:05.540 --> 01:07:07.959
[Amin]: It's FormFeed Slides and it's going to soon be

01:07:07.960 --> 01:07:08.359
a package.

01:07:08.360 --> 01:07:10.519
I was actually talking to Prot about it and I'm hoping

01:07:10.520 --> 01:07:13.399
to submit it for inclusion in GNU ELPA within, I don't

01:07:13.400 --> 01:07:15.279
know, the next couple of weeks.

01:07:15.280 --> 01:07:18.759
It's basically very similar to Prot's Logos package.

01:07:18.760 --> 01:07:22.999
Turns out we both had the same kind of idea at the

01:07:23.000 --> 01:07:26.599
exact same time in 2022, and we both used it for our

01:07:26.600 --> 01:07:30.319
LibrePlanet 2022 presentations.

01:07:30.320 --> 01:07:33.119
Of course, Prot being the diligent person that he is,

01:07:33.120 --> 01:07:35.428
he polished his work, documented it,

01:07:35.429 --> 01:07:36.479
put it on GNU ELPA.

01:07:36.480 --> 01:07:38.622
I still haven't gotten around to doing it yet,

01:07:38.623 --> 01:07:40.719
but better late than never.

01:07:40.720 --> 01:07:42.359
Yeah, let's see.

01:07:42.360 --> 01:07:44.559
I can maybe show a quick demonstration of that.

01:07:44.560 --> 01:07:47.719
So let's see.

01:07:47.720 --> 01:07:49.399
Let's see.

01:07:49.400 --> 01:07:57.439
Anyway, so if I go to my website sources and

01:07:57.440 --> 01:08:00.159
net-beyond-web.

01:08:00.160 --> 01:08:03.759
So I had the LibrePlanet talk a couple years ago.

01:08:03.760 --> 01:08:07.959
So what FFS is basically, it looks for a

01:08:07.960 --> 01:08:08.867
particular character in this case,

01:08:08.868 --> 01:08:12.919
or the default case,

01:08:12.920 --> 01:08:15.929
it's the page-delimiter, ^L,

01:08:15.930 --> 01:08:19.079
which you can insert by hitting C-q C-l.

01:08:19.080 --> 01:08:23.759
It basically then designates each of these areas

01:08:23.760 --> 01:08:28.959
as one slide. So, very, very simple slideshow

01:08:28.960 --> 01:08:31.439
that you don't even have to use Org or outline or any

01:08:31.440 --> 01:08:35.599
other major or minor mode. If I launch ffs,

01:08:35.600 --> 01:08:42.239
by default, it's in a mode where it binds a couple of

01:08:42.240 --> 01:08:44.919
convenience keys, like p and n, to go into the next

01:08:44.920 --> 01:08:45.639
and previous slide.

01:08:45.640 --> 01:08:49.999
You can hit e to edit a slide, similar to Org source, and

01:08:50.000 --> 01:08:52.639
then make your changes and all of that.

01:08:52.640 --> 01:08:57.899
And then you can start a presentation by hitting s.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0055.jpg
#+SCREENSHOT_TIME: 01:08:58.767

01:08:57.900 --> 01:09:01.439
It has hooks for, for example, bumping up the font size

01:09:01.440 --> 01:09:04.599
or whatever, hiding the mode line.

01:09:04.600 --> 01:09:07.599
I can toggle the mode line by hitting m here.

01:09:07.600 --> 01:09:10.959
Let's see.

01:09:10.960 --> 01:09:16.399
I can also toggle the cursor with c, to make the cursor

01:09:16.400 --> 01:09:17.199
visible or not.

01:09:17.200 --> 01:09:18.439
So, yeah.

01:09:18.440 --> 01:09:23.479
And then I'm just hitting p and n.

01:09:23.480 --> 01:09:25.119
[Sacha]: Very simple, very minimalist.

01:09:25.120 --> 01:09:28.399
You have a file, you've got page markers, and that's

01:09:28.400 --> 01:09:31.859
all you got.

01:09:31.860 --> 01:09:32.919
[Amin]: Yeah, pretty much.

01:09:32.920 --> 01:09:34.819
And then…

NOTE Speaker notes

01:09:34.820 --> 01:09:36.799
The neat thing that it has that I also liked

01:09:36.800 --> 01:09:39.799
implementing at the time is it has a speaker notes

01:09:39.800 --> 01:09:40.639
feature.

NOTE
#+SCREENSHOT: /home/sacha/proj/yay-emacs/mpv-shot0056.jpg
#+SCREENSHOT_TIME: 01:09:47.767

01:09:40.640 --> 01:09:44.999
So you can designate a file as being the speaker

01:09:45.000 --> 01:09:47.759
notes where it has the same structure separators with

01:09:47.760 --> 01:09:50.679
^L. But you can type your notes over here,

01:09:50.680 --> 01:09:50.959
whatever.

01:09:50.960 --> 01:09:54.639
And you can basically open these in two different

01:09:54.640 --> 01:09:57.879
windows or two different frames on separate displays.

01:09:57.880 --> 01:10:01.159
And then in whichever one of those you advance the

01:10:01.160 --> 01:10:05.779
slides, like p n n, it also does the other one.

01:10:05.780 --> 01:10:06.967
[Sacha]: That's brilliant.

01:10:06.968 --> 01:10:09.319
I was looking for a way to do that so I can pretend to

01:10:09.320 --> 01:10:11.279
know what I'm talking about when I have something on

01:10:11.280 --> 01:10:15.159
screen, but I can just read my notes or even just

01:10:15.160 --> 01:10:16.839
remember what points I wanted to make.

01:10:16.840 --> 01:10:18.039
So this is great.

01:10:18.040 --> 01:10:19.119
You have speaker notes.

01:10:19.120 --> 01:10:20.639
You've got the main screen.

01:10:20.640 --> 01:10:21.999
They can be in two different frames.

01:10:22.000 --> 01:10:24.679
You can have your frame that you're sharing and your

01:10:24.680 --> 01:10:27.199
frame that you're not sharing that has all of your

01:10:27.200 --> 01:10:27.799
cheat sheets.

01:10:27.800 --> 01:10:29.079
Excellent.

01:10:29.080 --> 01:10:31.119
And on that note, in about one minute, the kid is

01:10:31.120 --> 01:10:34.039
going to come running out and want to have snack and

01:10:34.040 --> 01:10:34.599
all that stuff.

01:10:34.600 --> 01:10:37.959
Thank you so much for walking through parts of your

01:10:37.960 --> 01:10:38.279
config.

01:10:38.280 --> 01:10:39.559
There is more.

01:10:39.560 --> 01:10:42.559
And so everyone who wants to find out more can go

01:10:42.560 --> 01:10:43.759
check out your setup.

01:10:43.760 --> 01:10:47.359
I have a great many things that I want to try out,

01:10:47.360 --> 01:10:53.039
starting from EXWM to little things like figuring out

01:10:53.040 --> 01:10:55.799
a boom mic setup because apparently your audio setup

01:10:55.800 --> 01:10:57.159
is making me very jealous.

01:10:57.160 --> 01:11:00.279
Yes, thank you for doing this.

01:11:00.280 --> 01:11:02.839
I'm going to post the transcript and the chapters.

01:11:02.840 --> 01:11:04.479
I have a chapter every minute.

01:11:04.480 --> 01:11:08.319
It's going to be a long time.

01:11:08.320 --> 01:11:09.399
But it was good.

01:11:09.400 --> 01:11:10.359
Lots of cool stuff.

01:11:10.360 --> 01:11:13.199
Thank you again.

01:11:13.200 --> 01:11:14.233
[Amin]: Sounds great.

01:11:14.234 --> 01:11:15.159
And yeah, you're very welcome.

01:11:15.160 --> 01:11:16.959
And thank you so much for having me as well, Sacha.

01:11:16.960 --> 01:11:19.159
I'm very delighted to be here, especially, I think,

01:11:19.160 --> 01:11:20.359
just by chance.

01:11:20.360 --> 01:11:23.079
I think I'm the first person who you're doing this

01:11:23.080 --> 01:11:24.759
with after the long hiatus.

01:11:24.760 --> 01:11:26.679
So that's an extra honor for me.

01:11:26.680 --> 01:11:28.759
But yeah, it's been fun.

01:11:28.760 --> 01:11:32.479
I could go on for hours.

01:11:32.480 --> 01:11:33.719
I'm sure we both could.

01:11:33.720 --> 01:11:37.219
This has been fun.

01:11:37.220 --> 01:11:39.233
[Sacha]: If we wanted to go on for hours,

01:11:39.234 --> 01:11:40.933
Prot has more flexible scheduling,

01:11:40.934 --> 01:11:43.033
so he can chat with people for

01:11:43.034 --> 01:11:44.667
two hours and stuff, and you already have

01:11:44.668 --> 01:11:46.159
conversations going on with him.

01:11:46.160 --> 01:11:48.959
But I unfortunately have a small mammal who's 10

01:11:48.960 --> 01:11:52.119
years old and loves me very much, and likes to not let

01:11:52.120 --> 01:11:53.799
me concentrate for very long.

01:11:53.800 --> 01:11:56.319
But thank you everyone for joining.

01:11:56.320 --> 01:11:57.799
Thank you for the chat.

01:11:57.800 --> 01:11:58.959
And thank you also, stream,

01:11:58.960 --> 01:12:00.319
for all the interesting questions.

01:12:00.320 --> 01:12:02.519
I will send you all the information

01:12:02.520 --> 01:12:03.479
and update the post.

01:12:03.480 --> 01:12:06.599
And we'll see you all on Thursday.

01:12:06.600 --> 01:12:08.279
I've got another chat.

01:12:08.280 --> 01:12:10.719
All of a sudden, all these Emacs chats

01:12:10.720 --> 01:12:11.719
are going to happen.

01:12:11.720 --> 01:12:12.119
Thanks.

01:12:12.120 --> 01:12:16.119
Oh, and you said you're happy to be on the hook for

01:12:16.120 --> 01:12:20.259
doing another EmacsConf this year, right?

01:12:20.260 --> 01:12:21.868
[Amin]: Yes. You can hold me to that.

01:12:21.480 --> 01:12:23.200
There will be another EmacsConf this year

01:12:23.201 --> 01:12:24.933
and I will be active in it.

01:12:24.934 --> 01:12:26.567
[Sacha]: Alright then, I'm going to end that broadcast.

01:12:26.568 --> 01:12:29.159
Thanks everyone, bye!

01:12:29.160 --> 01:12:30.000
[Amin]: Thank you, bye bye!