\input regression-test.tex
\documentclass{article}
\usepackage{semcat}

\begin{document}
\START
\TYPE{default=\SemCatDefaultCategory}
\TYPE{color-name-A=\SemCatColor{A}}
\TYPE{title-B=\SemCatTitle{B}}
\extractcolorspec{semcat-A}\TestColorA
\TYPE{color-A=\TestColorA}
\extractcolorspec{semcat-D}\TestColorD
\TYPE{color-D=\TestColorD}
\SemCatDefine{E}[title={Extra}]
\TYPE{title-E=\SemCatTitle{E}}
\extractcolorspec{semcat-E}\TestColorE
\TYPE{color-E=\TestColorE}
\SemCatDefine{F}[title={Explicit}, color=teal]
\extractcolorspec{semcat-F}\TestColorF
\TYPE{color-F=\TestColorF}
\ExplSyntaxOn
\cs_if_exist:NTF \IfLectureModeTF
  { \TYPE{modes-loaded=true} }
  { \TYPE{modes-loaded=false} }
\IfPackageLoadedTF { osgstyler }
  { \TYPE{osgstyler-loaded=true} }
  { \TYPE{osgstyler-loaded=false} }
\ExplSyntaxOff
\TYPE{done=yes}
\END
\end{document}