%% 
%% This is file `ansexam3.tex',
%% generated with the docstrip utility.
%% 
%% The original source files were:
%% 
%% answers.dtx  (with options: `ex3')

\documentclass[12pt,a4paper]{article}
\usepackage{answers}
\newenvironment{Ex}[1]{\begin{trivlist}\item \emph{#1} %
   \renewcommand{\Currentlabel}{#1}}{\end{trivlist}}
\Newassociation{solution}{Soln}{solutions}

\renewenvironment{Soln}[1]{\begin{trivlist}\item
   Solution to \emph{#1} }{\end{trivlist}}

\begin{document}
\section*{Problems}
   \Opensolutionfile{solutions}[ans3]
   \begin{Ex}{First exercise}
      An exercise with a solution.
      \begin{solution}
         This is a solution.
         \relax{}
      \end{solution}
   \end{Ex}
   \begin{Ex}{Second exercise}
      A second exercise with a solution.
      \begin{solution}
         This is another solution.
      \end{solution}
   \end{Ex}
   \Closesolutionfile{solutions}
\section*{Solutions}
   \Readsolutionfile{solutions}
\end{document}
\endinput
%% 
%% End of file `ansexam3.tex'.