This is MetaPost, version 1.999 (TeX Live 2015/Debian) (kpathsea version 6.2.1) 19 APR 2020 22:29 **fixed.mp (/usr/share/texlive/texmf-dist/metapost/base/mpost.mp (/usr/share/texlive/texmf-dist/metapost/base/plain.mp Preloading the plain mem file, version 1.005) ) (./fixed.mp Path at line 2, before choices: (0,0){4096,0} ..{4096,0}(72,72) Path at line 2, after choices: (0,0)..controls (39.7645,0) and (32.2355,72) ..(72,72) [1] ) 1 output file written: fixed.1