flowfram.pdf. - CTAN

\simpar Simulate paragraph break inside \shapepar
%\newcommand*{\simpar}{\hfil\vadjust{\vskip\parskip}\break\indent}
\newcommand*{\simpar}{\hfill\\\indent\mbox{}}
\ffpshpar Provide means to allow parshape to be carried over a paragraph break.
\let\FLForgpar\par
\newcommand{\ffpshpar}{%
\edef\flf@next{\hangafter=\the\hangafter
\hangindent=\the\hangindent}%
\FLForgpar\flf@next
\edef\flf@next{\prevgraf=\the\prevgraf}%
\@ff@parshape\indent\mbox{}\flf@next
}
\@ff@parshape
\@ff@sectionhead
\@s@ff@heading
Provide a means to have section headings within \parshape.
\def\@ff@parshape{\parshape=0}
\newcommand*{\@ff@sectionhead}[1]{%
\def\ff@sechead{#1}%
\ffpshpar
\@ifstar{\@s@ff@heading}{\@dblarg\@ff@heading}%
}
\def\@s@ff@heading#1{%
\@ifundefined{@ff@old\ff@sechead}%
{%
\PackageError{flowfram}%
{Unknown heading command ’\ff@sechead’}{}%
}%
{%
\begingroup
\edef\flf@next{\hangafter=\the\hangafter
\hangindent=\the\hangindent}%
\FLForgpar\flf@next
\let\par=\FLForgpar
\edef\flf@next{\prevgraf=\the\prevgraf}%
\csname @ff@old\ff@sechead\endcsname*{%
\@ff@parshape\flf@next #1}%
\xdef\flf@next{%
\@ff@parshape
\prevgraf=\the\prevgraf}%
\endgroup
}%
\mbox{}\flf@next
\let\flf@next\undefined
}
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