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diff --git a/lib/syntax_tools/examples/test.erl b/lib/syntax_tools/examples/test.erl
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+%%
+%% This is a test file
+%%
+
+-module(test).
+
+-export([nrev/1]).
+
+%% Just a naive reverse function in order
+%% to get a code example with some comments.
+
+nrev([X | Xs]) ->
+ append(X, nrev(Xs)); % Quadratic behaviour
+nrev([]) ->
+ %% The trivial case:
+ [].
+
+ %% We need `append' as a subroutine:
+
+append(Y, [X | Xs]) ->
+ [X | append(Y, Xs)]; % Simple, innit?
+append(Y, []) ->
+ [Y]. % Done.
+
+%% ---- end of file ----