xymostech · HackerTrans

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Are you viewing on a HiDPI monitor? I imagine this is mostly because RaTeX renders to an image whereas KaTeX is rendering HTML, so can scale to arbitrary dpi. I imagine the RaTeX people could have rendered to a higher resolution and it would look better.

xymostech

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What are you struggling with? If you want an image output, there a reason you want to use KaTeX for this, and can't just use actual LaTeX?

KaTeX depends on the browser engine to do most of the layout, so generating an image would require a tool which converts the HTML nodes back into an image. There are some tools that can do that (like html2canvas), but using LaTeX to generate a PDF and then converting that to an image is probably going to be easier.

xymostech

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Oh yes, thank you for the link to that! Looks like that is an instruction set for representing the font glyphs themselves? I was talking about the instruction set in TFM which is for representing meta information, like ligatures and kerning between glyphs, and not for the actual glyphs. The glpyhs for the original TeX fonts are described using Metafont which is an interpreted language.

xymostech

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The original TeX Fonts stored their metrics in TFM (short for TeX font metrics) files, which contains a bytecode interpreter for calculating ligatures and kerning between characters. I learned about that when I tried reading the files myself.

From what I can tell, modern fonts using OpenType just have tables to accomplish something similar now, in the form of the GSUB and GPOS tables?

Documentation for the TFM format here: https://tug.org/TUGboat/Articles/tb02-1/tb02fuchstfm.pdf (search for lig/kern)

xymostech

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My source was also the Lawful Masses stream, but it sounded like the original excuse was made in April, but it took until November for him to actually produce the death certificate to prove that he had lied about when his grandfather had died.

xymostech

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2 days ago (12/27), "Web Hosting Service" was the most common page visited, with <0.1% mobile (compared to >70% for the rest of the top 10). Did something happen that would cause this? Or is this a bot farm that's visiting wikipedia? Odd.

Edit: Looks like there were also around 3m "automated" views to the page based on user agent. Maybe some bot script went awry but used non-bot user agents half the time?

xymostech

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I think by "each system call" she meant it like "every time it calls read()", since it would be read() that was using the AVX registers. Since the example program just calls read() over and over, this could add a significant amount of overhead.

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