I'm running the following sample code from How to effectively use List of Symbols for a thesis?



    \printnoidxglossary[type=symbols,style=long,title={List of Symbols}]
    Reference symbols: $\gls{F}$, $\gls{t}$, $\gls{x}$, $\gls{v}$, $\gls{a}$.

And I receive the error "mfirstuc.sty Undefined control sequence. \MFUexcl{\ensuremath}"

I've tried installing all the packages I could see where missing but I'm just not getting it to compile. Please help

  • 1
    I get no error with texlive 2022. Probably unrelated but delete \ExplSyntaxOn Dec 5, 2022 at 21:34
  • 1
    also show the full error message from the log in a code block. the fragment of message you show is not the format tex uses, and does not show which command is undefined Dec 5, 2022 at 21:51
  • \MFUexcl is in version 2.08 of mfirstuc and not in previous versions. You may want to update your TeX system and retry.
    – egreg
    Dec 6, 2022 at 0:28
  • Thanks for that. The update of Tex worked
    – Vivan
    Dec 6, 2022 at 17:57


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