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I previously asked this question. When I upgraded from TeXLive 2015 to 2020, submolecules defined using \definesubmol in chemfig would no longer render but simply print out the character sequence (the linked question provides a MWE). Other users, however, said the MWE produced the rendering just fine. In Overleaf, the rendering was also fine. This means there is something specific about my computer and/or TeX distribution.

I am running macOS Catalina with TeXLive provided by MacTeX on an Early 2015 MBP. I don't think there's any hardware or OS-specific issue because like I said everything worked just fine with TeXLive 2015. This means I must have botched something with the upgrade. I uninstalled and reinstalled TeXLive 2020 but the same problem persists.

Does anyone know what it could be? Thank you!

EDIT: More minimal MWE produced below:

\documentclass[12pt]{article}
\usepackage{chemfig}
\definesubmol{MP}[-[4]P(-[3]O^\ominus)(-[5]O^\ominus)=[4]O]{-P(-[1]O^\ominus)(-[7]O^\ominus)=O}
\begin{document}
\chemfig{!{MP}}
\end{document}
Muhammad Khan
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  • Have you read "Updated chemfig gives errors for previously working code" -- it seems to be similar. – MicroservicesOnDDD Feb 14 '21 at 06:23
  • Thanks for your response. I did come across that, but it seems like others are able to reproduce the issue in that question, where the answer is actually a difference between TL 2014 and 2015. For my first question (linked in question), others are able to compile my code correctly and only I am having issues. Do you have any thoughts on what that could be? – Muhammad Khan Feb 15 '21 at 00:50
  • You said that you had an MWE, but it looked like you could cut out the {MA1} and {MA2} lines, and I bet you could cut more out if you tried, including most of the submolecule pieces, to produce a better MWE. The reason why the MWE is so important is because it often leads to a solution, or perhaps a workaround, which may be sufficient for many cases. The act of making it a truly minimal example helps in the process of elimination -- if it is only one character of the submolecule language causing it, then that may implicate something specific enough to get it fixed or produce a workaround. – MicroservicesOnDDD Feb 15 '21 at 23:00
  • So would you please try to pare down your MWE and make a more minimal MWE? – MicroservicesOnDDD Feb 15 '21 at 23:02
  • @MicroservicesOnDDD thanks for pointing that out. I updated this question with a more minimal example – Muhammad Khan Feb 16 '21 at 04:19
  • Thank you. I will look at it when I get the chance. Does this problem appear only on Mac's? How many people can reproduce this? Thanks. – MicroservicesOnDDD Feb 17 '21 at 19:15
  • Can the "definesubmol{MP}..." line be made shorter in the MWE? Thanks ahead of time. – MicroservicesOnDDD Feb 17 '21 at 19:17

1 Answers1

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I just tried your MWE with TeX Live 2022/dev and obtained the following picture. enter image description here

Is this what you expected?

citsahcots
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