%% %% This is file `xtrex4.tex', %% generated with the docstrip utility. %% %% The original source files were: %% %% extract.dtx (with options: `xtrex4') %% %% --------------------------------------- %% Copyright (C) 2004-2019 Hendri Adriaens %% --------------------------------------- %% %% This work may be distributed and/or modified under the %% conditions of the LaTeX Project Public License, either version 1.3 %% of this license or (at your option) any later version. %% The latest version of this license is in %% http://www.latex-project.org/lppl.txt %% and version 1.3 or later is part of all distributions of LaTeX %% version 2003/12/01 or later. %% %% This work has the LPPL maintenance status "maintained". %% %% This Current Maintainer of this work is Hendri Adriaens. %% %% This work consists of the file extract.dtx and the derived files %% extract.sty, xtrex1.tex, xtrex2.tex, xtrex3.tex, xtrex4.tex, %% xtrex5.tex, xtrex6.tex and xtrex7.tex. %% %% The following files constitute the extract package and must be %% distributed as a whole: readme, extract.dtx, extract.pdf and %% extract.sty. %% \documentclass{article} \usepackage[ active, generate=file, extract-env=equation* ]{extract} \begin{extract*} \usepackage{amsmath} \end{extract*} \begin{document} Some text. \begin{equation*} x^2+y^2=z^2 \end{equation*} \begin{extract} $x=3$, $y=4$ and $z=5$ satisfy this equation. \end{extract} \end{document} \endinput %% %% End of file `xtrex4.tex'.