\input regression-test.tex
\documentclass{article}
\usepackage{osgstyler}
\usepackage[mode=script]{osglecture-modes}

\NewDocumentCommand\ProjectTerm{m}{#1}
\DeclareOsgInlineStyle{project-term}{
  font=none, color=none, decoration=none, semantics=emphasis
}
\UseOsgStandardInlineCommands
\BindOsgInlineCommand{\ProjectTerm}{project-term}

\ExplSyntaxOn
\cs_new_protected:Npn \__osgstyler_test_semantics:nn #1#2
  { \TYPE{semantics=#1} #2 }
\cs_new_eq:NN \TestSemantics \__osgstyler_test_semantics:nn
\ExplSyntaxOff

\begin{document}
\SetOsgSemanticProcessor{\TestSemantics}
\START
\emph<script>{active-emphasis}
\emph<slides>{omitted-emphasis}
\ProjectTerm<longform>{active-project-term}
\ProjectTerm<presentation>{omitted-project-term}
\UseOsgInlineStyle<script>{emphasis}{active-direct-style}
\UseOsgInlineStyle<slides>{emphasis}{omitted-direct-style}
\TYPE{modes=done}
\END
\end{document}