\DocumentMetadata{}
\input regression-test.tex
\documentclass{ltx-talk}
\usepackage[outer-only]{ltxtalk-theme}
\usepackage{ltxtalk-theme-minimal}
\useltxtalktheme{minimal}
\begin{document}
\begin{frame}
  \frametitle{Outer-only}
  Test content.
\end{frame}
\START
\ExplSyntaxOn
\cs_if_exist:NTF \fontspec
  { \TYPE{fontspec-loaded=true} }
  { \TYPE{fontspec-loaded=false} }
\OsgFontPaletteAvailableTF
  { \TYPE{font-available=true} }
  { \TYPE{font-available=false} }
\color_export:nnN { ltxtalk-primary } { HTML } \l_tmpa_tl
\TYPE{primary=\l_tmpa_tl}
\ExplSyntaxOff
\TYPE{outer-only:passed}
\END
\end{document}