1\documentclass[a4paper]{article}
2\usepackage[british, english, frenchb]{babel}
3
4\newcommand\activatelanguage[2]{%
5 \selectlanguage{#1}}
6
7\newcommand\test[2]{%
8 \wlog{#1: #2}%
9 \showhyphens{#1}}
10
11\begin{document}
12\input{common-02}
13\end{document}
14