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comment How can the knots TikZ library be used with current l3 (e.g. TeX Live 2015)?
To be honest, it may be a little while before that happens. The whole submit-to-CTAN process fills me with dread. I never get it right first time. I'm sorely tempted to withdraw my packages from CTAN and make them available via github only. I probably won't, but it's tempting ...
Sep
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comment How can the knots TikZ library be used with current l3 (e.g. TeX Live 2015)?
Fixed version available at github.com/loopspace/spath3
Sep
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comment latex3 update breaks tikz library hobby
Fix available at github.com/loopspace/hobby though I fully expect it to be equally "unsupported" as I'm having difficulties figuring out how to achieve the same end without using "internal functions". Fortunately, it's not a crucial part of the package and if all else fails, I'll just remove the bit that uses that function.
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comment TikZ add frame to a picture
@oarfish Do Not Nest Tikzpictures. If you do, you're on your own and weird things can happen.
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comment How to upload LaTeX-generated pdf paper to arXiv without LaTexXsources
@DavidSpivak Hadn't heard of pax (though I now see that it is mentioned in the pdfpages documentation). Looks worth a try if I ever end up doing this again, though one would need pax to work on the arXiv and one reason for doing this is that debugging arXiv's tex is haphazard.
Aug
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comment TikZ: Intersection for Fraction Diagram
You could clip all subsequent drawing commands against the triangle (ie filldraw the triangle, then reuse the path with \clip and draw all the rest)
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