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Linus Torvalds Injects Tabs To Thwart Kconfig Parsers Not Correctly Handling Them
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this post was submitted on 15 Apr 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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The Register did a good article covering the change.
Source files should be conservative with the standard they expect from the developer, and parsers should be liberal in what they expect from the source, ie. allow deviations from the standard.
Python for example supposedly only allows 4 spaces for indentation, but as long as the developer is consistent most if not all Python interpreters will accept any kind of indentation.
Having a language dependent on indentation is absurd on the face of it. It's a ridiculous idea that should have been ridiculed from the outset.
No. Having a language depend on semicolons even though there's ways to do without, ways that don't even include layout if you don't want to, is well not absurd on the face of it it's hysterical raisins.
Haskell has one of the most admired syntaxes out there, and it's layout. It's clean, predictable, very simple and most of all intuitive rules. It makes sure that semantic structure always follows visual structure, thus provides a single source of truth why Algol-likes (i.e. everything that looks at least vaguely like C) have two.
I don't indent my Rust, I let rustfmt do that. All that automation and I still get into lots of missing or mismatched braces situations which literally never happen in Haskell because the structure of the program is visually obvious, you don't have to look for tiny squiggles to figure out what it is.