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Apfelstrudel

Explainer: Unicode, normalization and APFS

How Café and Café are actually different, and only one of those can be a filename in macOS, despite APFS being a non-normalising file system.

May 8, 2021 Language, Macs, Technology

unorml, a command tool to normalise strings, now a Universal binary

Normalises strings to any of the four standard Unicode normalisation forms C, D, KC or KD, supplied with source.

September 4, 2020 Macs, Technology, Updates

Fun and confuddling with Unicode

How to hide text so that it can’t be searched or analysed, and how file naming almost brought APFS down.

August 21, 2020 General, Language, Macs, Technology

Apfelstrudel version 1.4 is now a Universal App

Universal App which gives deep insight into Unicode normalisation problems, string comparison, and more.

August 18, 2020 Macs, Technology, Updates

Watch that space: More fun with Unicode in file names

How can you put four files with apparently identical names in the same folder? Here’s the secret, and the magic of Unicode.

January 11, 2020 Macs, Technology

Dystextia and Apfelstrudel updated

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Dystextia encodes and decodes obfuscated or spoofed Unicode text. Apfelstrudel analyses Unicode normalisation, ideal when working with text on computers.

June 8, 2019 Macs, Technology

Text Utilities Support

This page is for your support questions and comments on my free utilities Dystextia, which demonstrates obfuscation of […]

June 7, 2019 Macs, Technology

Two more notarizations: Cirrus (for iCloud) and Apfelstrudel

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Both apps have been notarized now, for added security protection, particularly when used in Mojave.

November 8, 2018 Macs, Technology

More app updates: Unicode and text tools

Apfelstrudel, which explores Unicode normalisation and string operations; Dystextia for obfuscating Roman text using spoofing; and Rosettavert for converting between text encodings.

July 7, 2018 Macs, Technology

Updated free tools: should all now pass Gatekeeper checks

All these have now been updated and should pass Gatekeeper checks and run on both Sierra and High Sierra.

September 27, 2017 General, Macs, Technology

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