%% pkgindoc.sty   from David Carlisle
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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{pkgindoc}[1994/10/20
    v1.1 Package Interface in Document (DPC)]
\def\reserved@a#1\do\@clsextension#2\do\@vwrend#3\relax{%
  \gdef\@preamblecmds{#1#3}}
\expandafter\reserved@a\@preamblecmds\relax

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