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

\DeclareOsgMetricPalette{modern}{
  spacing = {sm = {.4\baselineskip}, lg = {1.25\baselineskip}},
  padding = {normal = {.75em}},
  rule = {thin = {.5pt}, thick = {1.5pt}},
  radius = {small = {3pt}, round = {8pt}}
}

\DeclareOsgMetricPalette{defaults}{}

\begin{document}
\UseOsgMetricPalette{modern}
\START
\TYPE{active=\OsgActiveMetricPalette}
\TYPE{spacing-sm=\OsgMetric{spacing}{sm}}
\TYPE{spacing-md=\OsgMetric{spacing}{md}}
\TYPE{padding-normal=\OsgMetric{padding}{normal}}
\TYPE{rule-thin=\OsgMetric{rule}{thin}}
\TYPE{radius-round=\OsgMetric{radius}{round}}
\TYPE{default-rule=\OsgMetricPaletteValue{defaults}{rule}{normal}}
\TYPE{default-radius=\OsgMetricPaletteValue{defaults}{radius}{square}}
\END
\end{document}