1 files changed, 11 insertions, 0 deletions

diff --git a/gem/ex2.lua b/gem/ex2.lua
new file mode 100644
index 0000000..94bde66
--- /dev/null
+++ b/gem/ex2.lua
@@ -0,0 +1,11 @@
+function filter.cycle(lowlevel, context, extra)
+  return function(chunk)
+    local ret
+    ret, context = lowlevel(context, chunk, extra)
+    return ret
+  end
+end
+
+function normalize(marker)
+  return filter.cycle(eol, 0, marker)
+end