neatroff
wasabi
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neatroff
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How would I compile a roff document?
I recommend sticking with Groff. There are other implementations of Troff—some older (Heirloom Doctools), some newer (Neatroff)—but most of the documents you'll encounter in the wild will have been written with Groff in mind.
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Ask HN: What are you surprised isn’t being worked on more?
Plan 9 troff might work! It works with utf8 out of the box[0], and while I haven't used it for complex math typesetting, there is a command (eqn [1]) that was developed for it. I'd recommend Ali Rudi's port (neatroff [2][3]) for a minimalist implementation. There's also Heirloom Documentation Tools [4] which is an implementation of *roff-and-friends that uses Knuth's paragraph-at-once algorithm (instead of the original line-wise one) for typesetting, plus some other interesting features.
The authors of eqn wrote a paper about it: "Typesetting Mathematics" by Brian Kernighan and Lorinda Cherry. Kernighan also wrote two manuals (one in 1976 with a revision in 1992, and one in 2007 with updates for the Plan 9 version). [5].
[0] utf8 was developed by Ken Thompson and Rob Pike during the creation of Plan9. The entire OS is compatible. Story here: http://doc.cat-v.org/bell_labs/utf-8_history
[1] http://man.cat-v.org/plan_9/1/eqn
[2] https://github.com/aligrudi/neatroff
[3] PDF manual for neatroff: http://litcave.rudi.ir/neatroff.pdf
[4] https://n-t-roff.github.io/heirloom/doctools.html
[5] These (and more) can be found here: http://www.kohala.com/start/troff/troff.html
wasabi
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Ask HN: What are you surprised isn’t being worked on more?
I have also observed this. We had a custom thing over Wasabi : https://github.com/intuit/wasabi which was quite difficult to maintain, but compared to the paid solutions out there was still cheaper to do. I wonder why aren’t there more products in this area.
What are some alternatives?
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asciidoctor-latex - :triangular_ruler: Add LaTeX features to AsciiDoc & convert AsciiDoc to LaTeX
notes - A zero dependency shell script that makes it really simple to manage your text notes.
hyperswarm - A distributed networking stack for connecting peers.
webview - Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).
gpresent - Presentation macros for GNU roff (unofficial fork with patches and extensions)
yet-another-speed-dial - a modern speed dial for chrome, edge and firefox
linux-surface - Linux Kernel for Surface Devices