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diff --git a/Master/texmf-dist/doc/latex/arcs/README b/Master/texmf-dist/doc/latex/arcs/README
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+This tiny package provides two commands for placing an arc
+over/under a short piece of text.
+
+The code comes from my package `metre'. I have repackaged it
+to make it more easily available and to allow the commands
+to be used within math formulas.
+
+To install the package:
+                         latex arcs.ins
+                         latex arcs.dtx
+
+The file arcstest.tex contains some examples of usage.
+
+-- 
+   Gianfranco Boggio-Togna
+   gbt@acm.org
diff --git a/Master/texmf-dist/doc/latex/arcs/arcs.pdf b/Master/texmf-dist/doc/latex/arcs/arcs.pdf
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diff --git a/Master/texmf-dist/doc/latex/arcs/arcstest.tex b/Master/texmf-dist/doc/latex/arcs/arcstest.tex
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+\documentclass[11pt]{report}
+\usepackage{arcs}
+\parindent 0pt
+\pagestyle{empty}
+\begin{document}
+$\overarc[.1]{AB}\ \overarc[.2]{AB}\ \overarc[.3]{AB}\ 
+ \overarc[.4]{AB}\ \overarc[.5]{AB}\ \overarc[.6]{AB}\ 
+ \overarc[.7]{AB}\ \overarc[.8]{AB}\ \overarc[.9]{AB}\ 
+ \overarc{AB}$\par
+\vspace{2ex}
+$\overarc[.1]{ABC}\ \overarc[.2]{ABC}\ \overarc[.3]{ABC}\ 
+ \overarc[.4]{ABC}\ \overarc[.5]{ABC}\ \overarc[.6]{ABC}\ 
+ \overarc[.7]{ABC}\ \overarc[.8]{ABC}\ \overarc[.9]{ABC}\ 
+ \overarc{ABC}$\par
+\vspace{2ex}
+\overarc[.1]{ABC}\ \overarc[.2]{ABC}\ \overarc[.3]{ABC}\ 
+ \overarc[.4]{ABC}\ \overarc[.5]{ABC}\ \overarc[.6]{ABC}\ 
+ \overarc[.7]{ABC}\ \overarc[.8]{ABC}\ \overarc[.9]{ABC}\ 
+ \overarc{ABC}\par
+\vspace{4ex}
+$\underarc[.1]{AB}\ \underarc[.2]{AB}\ \underarc[.3]{AB}\ 
+ \underarc[.4]{AB}\ \underarc[.5]{AB}\ \underarc[.6]{AB}\ 
+ \underarc[.7]{AB}\ \underarc[.8]{AB}\ \underarc[.9]{AB}\ 
+ \underarc{AB}$\par
+\vspace{2ex}
+$\underarc[.1]{ABC}\ \underarc[.2]{ABC}\ \underarc[.3]{ABC}\ 
+ \underarc[.4]{ABC}\ \underarc[.5]{ABC}\ \underarc[.6]{ABC}\ 
+ \underarc[.7]{ABC}\ \underarc[.8]{ABC}\ \underarc[.9]{ABC}\ 
+ \underarc{ABC}$\par
+\vspace{2ex}
+\underarc[.1]{ABC}\ \underarc[.2]{ABC}\ \underarc[.3]{ABC}\ 
+\underarc[.4]{ABC}\ \underarc[.5]{ABC}\ \underarc[.6]{ABC}\ 
+\underarc[.7]{ABC}\ \underarc[.8]{ABC}\ \underarc[.9]{ABC}\ 
+\underarc{ABC}\par
+\vspace{4ex}
+$\overarc[.1]{ab}\ \overarc[.2]{ab}\ \overarc[.3]{ab}\ 
+ \overarc[.4]{ab}\ \overarc[.5]{ab}\ \overarc[.6]{ab}\ 
+ \overarc[.7]{ab}\ \overarc[.8]{ab}\ \overarc[.9]{ab}\ 
+ \overarc{ab}$\par
+\vspace{2ex}
+$\overarc[.1]{abc}\ \overarc[.2]{abc}\ \overarc[.3]{abc}\ 
+ \overarc[.4]{abc}\ \overarc[.5]{abc}\ \overarc[.6]{abc}\ 
+ \overarc[.7]{abc}\ \overarc[.8]{abc}\ \overarc[.9]{abc}\ 
+ \overarc{abc}$\par
+\vspace{2ex}
+\overarc[.1]{abc}\ \overarc[.2]{abc}\ \overarc[.3]{abc}\ 
+\overarc[.4]{abc}\ \overarc[.5]{abc}\ \overarc[.6]{abc}\ 
+\overarc[.7]{abc}\ \overarc[.8]{abc}\ \overarc[.9]{abc}\ 
+\overarc{abc}\par
+\vspace{4ex}
+$\underarc[.1]{ag}\ \underarc[.2]{ag}\ \underarc[.3]{ag}\ 
+ \underarc[.4]{ag}\ \underarc[.5]{ag}\ \underarc[.6]{ag}\ 
+ \underarc[.7]{ag}\ \underarc[.8]{ag}\ \underarc[.9]{ag}\ 
+ \underarc{ag}$\par
+\vspace{2ex}
+$\underarc[.1]{abg}\ \underarc[.2]{abg}\ \underarc[.3]{abg}\ 
+ \underarc[.4]{abg}\ \underarc[.5]{abg}\ \underarc[.6]{abg}\ 
+ \underarc[.7]{abg}\ \underarc[.8]{abg}\ \underarc[.9]{abg}\ 
+ \underarc{abg}$\par
+\vspace{2ex}
+\underarc[.1]{abg}\ \underarc[.2]{abg}\ \underarc[.3]{abg}\ 
+\underarc[.4]{abg}\ \underarc[.5]{abg}\ \underarc[.6]{abg}\ 
+\underarc[.7]{abg}\ \underarc[.8]{abg}\ \underarc[.9]{abg}\ 
+\underarc{abg}\par
+\vspace{4ex}
+\overarc{a e}\ \underarc{a e}\ \overarc{$x+y$}\ 
+\underarc{$x+y$}\ 
+$a_{\underarc[.6]{\tiny xy}}$\
+$a^{\overarc[.6]{\tiny xy}}$
+\end{document}