started a subdir for the book

1 files changed, 8 insertions, 0 deletions

diff --git a/book/examples/chapter2/Letters.gf b/book/examples/chapter2/Letters.gf
new file mode 100644
index 000000000..2b5a62d2d
--- /dev/null
+++ b/book/examples/chapter2/Letters.gf
@@ -0,0 +1,8 @@
+abstract Letters = {
+
+cat L ;
+fun 
+  a, b, c, d, e, f, g, h, i, j, k, l, m, 
+  n, o, p, q, r, s, t, u, v, w, x, y, z : L ;
+
+}