Monthly Archives: November 2022

Emacs 29 Changes

Posted on 2022-11-30 by jcs

In yesterday’s post I reported that Eli Zaretskii had cut the Emacs-29 release branch. That was good news because it meant that Emacs 29.1 itself was on its way. Lucien Cartier-Tilet (Phundrak) has a much more comprehensive post that parsed … Continue reading →

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Emacs-29 Release Branch and Org Mode 9.6

Posted on 2022-11-29 by jcs

Eli Zaretskii just announced that he’s cut the Emacs-29 release branch. Emacs 29.1 is still some time away; Zaretskii says that’s he’s hoping to have the first pretest in a couple of months. Still, it’s great to see progress being … Continue reading →

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Use Closed/Open Intervals For Programming

Posted on 2022-11-28 by jcs

In Mathematics, especially Real Analysis and Topology, the use of open and closed intervals is endemic. The open interval \((a,b)\) is the interval \(a < x < b\) while the closed interval \([a,b]\) includes the endpoints: \(a \le x \le … Continue reading →

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Using Pcase and Name-let for Pattern Matching and Tail Recursion

Posted on 2022-11-27 by jcs

Erik L. Arneson has an interesting post about using functional programming constructs with Elisp. In particular, he considers pattern matching and tail recursion. Tail recursion is, in my estimation, one of the most useful properties a programming language can have. … Continue reading →

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Viewing Exotic Image Files

Posted on 2022-11-26 by jcs

As you know, Emacs can display most of the common image formats such as SVG, JPEG, PNG, and GIF but what about formats, such as webp, that aren’t handled natively by Emacs? Álvaro Ramírez has another quickie that tells us … Continue reading →

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Red Meat Friday: eMacs

Posted on 2022-11-25 by jcs

You guys always jump on me and accuse me of being cantankerous when I go off on a rant like this but, really, it’s too much to bear. I’ve noticed lately that some people are referring to Emacs as “eMacs” … Continue reading →

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macOS As A Unix Workstation

Posted on 2022-11-24 by jcs

Torstein K. Johansen has an interesting post on configuring a Mac to be comfortable for a Linux user. Johansen is a self described “die hard Linux user” but recently had to work on a Mac. Macs are Unix machines but … Continue reading →

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Org Tree Slide

Posted on 2022-11-23 by jcs

Everybody hates slide decks. Jeff Bezos even famously banned them from Amazon. Still, most of us who are called upon to give a presentation will make slides the center of that presentation. There are, of course, dedicated programs like PowerPoint, … Continue reading →

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Using Icons with Mu4e

Posted on 2022-11-22 by jcs

Just a quickie from Álvaro Ramírez. If you’re a Mu4e user and would like to have an email’s status shown as one or more icons instead of a series of comparatively opaque letters but don’t want to deal with all-the-icons, … Continue reading →

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A Conversation with Mickey

Posted on 2022-11-21 by jcs

Syntopikon has an interesting interview with Mickey Petersen, the proprietor of Mastering Emacs and all around Emacs expert and expositor. He’s no stranger to Irreal readers so it’s always nice to see him discuss matters. The last time I remember … Continue reading →

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