I have tried both of the following but the micro symbol is still incorrect since its serif whilst arev is a sans serif font:


enter image description here

  • Please tell us how you activate the arev font.
    – Mico
    Commented Jun 4, 2023 at 15:40

1 Answer 1


This is a similar problem to micro-mu in Kurier font shows up as tcedilla, but with a different solution.

For mysterious reasons, Arev doesn't come with a suitable font description file for the TS1 encoding, notwithstanding that the fonts are available.

Also, the math-micro and text-micro options are no longer used.

Prepare a file named ts1fav.fd in the working directory:

\ProvidesFile{ts1fav.fd}[2004/09/07 scalable font definitions for TS1/fav.]

\expandafter\ifx\csname fvs@Scale\endcsname\relax
 \edef\fvs@@Scale{s*[\csname fvs@Scale\endcsname]}%


   <-> \fvs@@Scale fvsb8c

   <-> \fvs@@Scale fvsbo8c

   <-> \fvs@@Scale fvsr8c

   <-> \fvs@@Scale fvsro8c

\DeclareFontShape{TS1}{fav}{bx}{n}{<->ssub * fav/b/n}{}
\DeclareFontShape{TS1}{fav}{bx}{it}{<->ssub * fav/b/it}{}
\DeclareFontShape{TS1}{fav}{b}{sl}{<->ssub * fav/b/it}{}
\DeclareFontShape{TS1}{fav}{bx}{sl}{<->ssub * fav/b/it}{}
\DeclareFontShape{TS1}{fav}{m}{sl}{<->ssub * fav/m/it}{}


Now you can modify your document into


  detect-all, % not really needed for the solution






enter image description here

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