https://groups.google.com/g/comp.text.tex/c/KmhR7nZ11hw
https://groups.google.com/g/comp.text.tex/c/5B2HuW8aNxU
https://groups.google.com/g/comp.text.tex/c/1XtuuU6hE_I
https://groups.google.com/g/comp.text.tex/c/6tXvIwd8_Wg
https://groups.google.com/g/comp.text.tex/c/adsXOFvZCrs
https://groups.google.com/g/comp.text.tex/c/Fnuqzy6Zm4s
https://groups.google.com/g/comp.text.tex/c/rFHAfgGuCYY
https://groups.google.com/g/comp.text.tex/c/EDuj34r9ePk
https://groups.google.com/g/comp.text.tex/c/14pyWEWHV8o
https://groups.google.com/g/comp.text.tex/c/mDDUEck-ypk
https://pastelink.net/p717700u
https://pastebin.com/8nzGJHgL
https://smithonline.smith.edu/mod/forum/discuss.php?d=72695
https://jsfiddle.net/4ucf21g5/