Add acceptance test for nomenclature

test/acceptance/fixtures/examples/nomenclature/main.tex

@@ -0,0 +1,25 @@
+\documentclass{article}
+
+\usepackage{nomencl}
+\makenomenclature
+
+\begin{document}
+
+\section*{Main equations}
+
+\begin{equation}
+a=\frac{N}{A}
+\end{equation}%
+
+\nomenclature{$a$}{The number of angels per unit area}%
+\nomenclature{$N$}{The number of angels per needle point}%
+\nomenclature{$A$}{The area of the needle point}%
+
+The equation $\sigma = m a$%
+\nomenclature{$\sigma$}{The total mass of angels per unit area}%
+\nomenclature{$m$}{The mass of one angel}
+follows easily.
+
+\printnomenclature
+
+\end{document}