diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+*.aux
+*.log
+*.gz
+*.toc
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diff --git a/build/new-page-width.pdf b/build/new-page-width.pdf
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diff --git a/build/pythagorean.pdf b/build/pythagorean.pdf
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diff --git a/integral.tex b/integral.tex
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+++ b/integral.tex
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+\documentclass{standalone}
+\begin{document}
+\begin{math}
+\int_{a}^{b} x^2 \,dx
+\end{math}
+\end{document}
+
diff --git a/new-page-width.tex b/new-page-width.tex
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+\documentclass{article}
+\usepackage[
+left=0.1cm,
+right=0.1cm,
+top=0.1cm,
+bottom=0.1cm]
+{geometry}
+\begin{document}
+\pdfpagewidth=2.3cm \pdfpageheight=0.7cm
+\noindent $ x^n + y^n = z^n $
+\newpage
+\pdfpagewidth=10cm \pdfpageheight=6cm
+\parbox[bottom][6cm][c]{10cm}{$ x^n + y^n = z^n $ \\ Plus some additional text.}
+\end{document}
diff --git a/pythagorean.tex b/pythagorean.tex
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+++ b/pythagorean.tex
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+\documentclass{standalone}
+\begin{document}
+$ x^n + y^n = z^n $
+\end{document}