Improve documentation for the new libraries

libraries/Bitwise.elm

@@ -13,22 +13,22 @@ module Bitwise where
 
 import Native.Bitwise
 
-{-| Bitwise “and”
+{-| Bitwise AND
 -}
 and : Int -> Int -> Int
 and = Native.Bitwise.and
 
-{-| Bitwise “or”
+{-| Bitwise OR
 -}
 or : Int -> Int -> Int
 or = Native.Bitwise.or
 
-{-| Bitwise “xor”
+{-| Bitwise XOR
 -}
 xor : Int -> Int -> Int
 xor = Native.Bitwise.xor
 
-{-| Flip each bit individually, often called “bitwise not”
+{-| Flip each bit individually, often called bitwise NOT
 -}
 complement : Int -> Int
 complement = Native.Bitwise.complement
@@ -51,7 +51,7 @@ whatever is the topmost bit. This can be used to divide numbers by powers of two
 
 This is called an [arithmatic right
 shift](http://en.wikipedia.org/wiki/Bitwise_operation#Arithmetic_shift),
-often written (>>), and sometimes called a “sign-propagating”
+often written (>>), and sometimes called a sign-propagating
 right shift because it fills empty spots with copies of the highest bit.
 -}
 shiftRight : Int -> Int -> Int
@@ -66,7 +66,7 @@ zeros.
 
 This is called an [logical right
 shift](http://en.wikipedia.org/wiki/Bitwise_operation#Logical_shift), often written (>>>),
-and sometimes called a “zero-fill” right shift because it fills empty spots
+and sometimes called a zero-fill right shift because it fills empty spots
 with zeros.
 -}
 shiftRightLogical : Int -> Int -> Int

libraries/Transform2D.elm

@@ -1,14 +1,16 @@
 module Transform2D where
-{-| A library for performing [2D matrix transformations](http://en.wikipedia.org/wiki/Transformation_matrix#Affine_transformations).
+{-| A library for performing [2D matrix transformations][affine].
 It is used primarily with the `groupTransform` function from `Graphics.Collage` and
 allows you to do things like rotation, scaling, translation, shearing, and reflection.
 
 Note that all the matrices in this library are 3x3 matrices of homogeneous
-coordinates, used for affine transformations. Since the third row as always 0 0
-1, we omit this below.
+coordinates, used for [affine transformations][affine]. Since the bottom row as
+always `0 0 1` in these matrices, it is omitted in the diagrams below.
 
-# Basic Transforms
-@docs identity, matrix, rotation
+ [affine]: http://en.wikipedia.org/wiki/Transformation_matrix#Affine_transformations
+
+# Transforms
+@docs identity, matrix, rotation, translation, scale, scaleX, scaleY
 
 # Multiplication
 @docs multiply