3 files changed, 4 insertions, 4 deletions

diff --git a/gem/ex11.lua b/gem/ex11.lua
index 1cbf01f..79c99af 100644
--- a/gem/ex11.lua
+++ b/gem/ex11.lua
@@ -1,7 +1,7 @@
 local input = source.chain(
-  source.file(io.open("input.bin", "rb")), 
+  source.file(io.open("input.bin", "rb")),
   encode("base64"))
 local output = sink.chain(
-  wrap(76), 
+  wrap(76),
   sink.file(io.open("output.b64", "w")))
 pump.all(input, output)
diff --git a/gem/ex3.lua b/gem/ex3.lua
index a43fefa..60b4423 100644
--- a/gem/ex3.lua
+++ b/gem/ex3.lua
@@ -7,7 +7,7 @@ local function chainpair(f1, f2)
 end
 
 function filter.chain(...)
-  local f = select(1, ...) 
+  local f = select(1, ...)
   for i = 2, select('#', ...) do
     f = chainpair(f, select(i, ...))
   end
diff --git a/gem/ex4.lua b/gem/ex4.lua
index c670e0e..c48b77e 100644
--- a/gem/ex4.lua
+++ b/gem/ex4.lua
@@ -1,4 +1,4 @@
-local qp = filter.chain(normalize(CRLF), encode("quoted-printable"), 
+local qp = filter.chain(normalize(CRLF), encode("quoted-printable"),
   wrap("quoted-printable"))
 local input = source.chain(source.file(io.stdin), qp)
 local output = sink.file(io.stdout)