Add tick marks around code items in docs

src/constants.rs

@@ -70,7 +70,7 @@ pub const SQRT_M1: FieldElement = FieldElement([
 pub const SQRT_M1: FieldElement = FieldElement([1718705420411056, 234908883556509, 2233514472574048, 2117202627021982, 765476049583133]);
 
 /// Precomputed value of the other square root of -1 (mod p),
-/// i.e., MSQRT_M1 = -SQRT_M1.
+/// i.e., `MSQRT_M1 = -SQRT_M1`.
 #[cfg(not(feature="radix_51"))]
 pub const MSQRT_M1: FieldElement = FieldElement([
     32595792,    7943725,  -9377950,  -3500415, -12389472,
@@ -92,7 +92,7 @@ pub const A: FieldElement       = FieldElement([
 #[cfg(feature="radix_51")]
 pub const A: FieldElement = FieldElement([486662, 0, 0, 0, 0]);
 
-/// SQRT_MINUS_A is sqrt(-486662)
+/// `SQRT_MINUS_A` is sqrt(-486662)
 // XXX I think that this was used in Adam's code for his elligator
 // implementation, but that should maybe be using sqrt(-486664)
 // instead...?  - hdevalence
@@ -103,7 +103,7 @@ pub const SQRT_MINUS_A: FieldElement = FieldElement([ // sqrtMinusA
 #[cfg(feature="radix_51")]
 pub const SQRT_MINUS_A: FieldElement = FieldElement([557817479725543, 1643290402203250, 16226468853936, 1304118542701054, 1985241807451647]);
 
-/// SQRT_MINUS_APLUS2 is sqrt(-486664)
+/// `SQRT_MINUS_APLUS2` is sqrt(-486664)
 #[cfg(not(feature="radix_51"))]
 pub const SQRT_MINUS_APLUS2: FieldElement = FieldElement([
     -12222970, -8312128, -11511410, 9067497, -15300785,
@@ -111,7 +111,7 @@ pub const SQRT_MINUS_APLUS2: FieldElement = FieldElement([
 #[cfg(feature="radix_51")]
 pub const SQRT_MINUS_APLUS2: FieldElement = FieldElement([1693982333959686, 608509411481997, 2235573344831311, 947681270984193, 266558006233600]);
 
-/// SQRT_MINUS_HALF is sqrt(-1/2)
+/// `SQRT_MINUS_HALF` is sqrt(-1/2)
 #[cfg(not(feature="radix_51"))]
 pub const SQRT_MINUS_HALF: FieldElement = FieldElement([ // sqrtMinusHalf
     -17256545,   3971863,  28865457,  -1750208,  27359696,
@@ -119,7 +119,7 @@ pub const SQRT_MINUS_HALF: FieldElement = FieldElement([ // sqrtMinusHalf
 #[cfg(feature="radix_51")]
 pub const SQRT_MINUS_HALF: FieldElement = FieldElement([266547196637087, 2134345371906993, 1135042577398223, 67298593331632, 743161882051057]);
 
-/// HALF_Q_MINUS_1_BYTES is (2^255-20)/2 expressed in little endian form.
+/// `HALF_Q_MINUS_1_BYTES` is (2^255-20)/2 expressed in little endian form.
 pub const HALF_Q_MINUS_1_BYTES: [u8; 32] = [ // halfQMinus1Bytes
     0xf6, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,

src/curve.rs

@@ -59,15 +59,15 @@
 //! implementation for [Ed25519](https://ed25519.cr.yp.to/ed25519-20110926.pdf),
 //! we use several different models for curve points:
 //!
-//! * CompletedPoint: points in 𝗣^1 x 𝗣^1;
-//! * ExtendedPoint: points in 𝗣^3;
-//! * ProjectivePoint: points in 𝗣^2.
+//! * `CompletedPoint`: points in 𝗣^1 x 𝗣^1;
+//! * `ExtendedPoint`: points in 𝗣^3;
+//! * `ProjectivePoint`: points in 𝗣^2.
 //!
 //! Finally, to accelerate additions, we use two cached point formats,
 //! one for the affine model and one for the 𝗣^3 model:
 //!
-//! * AffineNielsPoint: `(y+x, y-x, 2dxy)`
-//! * ProjectiveNielsPoint: `(Y+X, Y-X, Z, 2dXY)`
+//! * `AffineNielsPoint`: `(y+x, y-x, 2dxy)`
+//! * `ProjectiveNielsPoint`: `(Y+X, Y-X, Z, 2dXY)`
 //!
 //! [1]: https://moderncrypto.org/mail-archive/curves/2016/000807.html
 
@@ -103,7 +103,7 @@ use std::boxed::Box;
 /// determined by the `y`-coordinate and the sign of `x`, marshalled
 /// into a 32-byte array.
 ///
-/// The first 255 bits of a CompressedEdwardsY represent the
+/// The first 255 bits of a `CompressedEdwardsY` represent the
 /// y-coordinate. The high bit of the 32nd byte gives the sign of `x`.
 #[derive(Copy, Clone, Eq, PartialEq)]
 pub struct CompressedEdwardsY(pub [u8; 32]);
@@ -303,7 +303,7 @@ pub struct ProjectivePoint {
     Z: FieldElement,
 }
 
-/// A CompletedPoint is a point ((X:Z), (Y:T)) in 𝗣¹(𝔽ₚ)×𝗣¹(𝔽ₚ).
+/// A `CompletedPoint` is a point ((X:Z), (Y:T)) in 𝗣¹(𝔽ₚ)×𝗣¹(𝔽ₚ).
 /// A point (x,y) in the affine model corresponds to ((x:1),(y:1)).
 #[derive(Copy, Clone)]
 pub struct CompletedPoint {

src/field.rs

@@ -41,25 +41,27 @@ use constants;
 #[cfg(feature="radix_51")]
 pub type Limb = u64;
 
-/// FieldElement represents an element of the field GF(2^255 - 19).  An element
-/// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
-/// t[3]+2^102 t[4]+...+2^230 t[9].  Bounds on each t[i] vary depending on
-/// context.
+/// A `FieldElement` represents an element of the field GF(2^255 - 19).
+///
+/// With the `radix_51` feature, a `FieldElement` is represented in
+/// radix 2^51 as five `u64`s; the coefficients are allowed to grow up
+/// to 2^54 between reductions mod `p`.
 #[cfg(feature="radix_51")]
 #[derive(Copy, Clone)]
 pub struct FieldElement(pub [u64; 5]);
 
-/// FieldElements are represented as an array of ten "Limbs", which are radix
-/// 25.5, that is, each Limb of a FieldElement alternates between being
-/// represented as a factor of 2^25 or 2^26 more than the last corresponding
-/// integer.
+/// Without the `radix51` feature enabled, `FieldElements` are represented
+/// in radix 2^25.5 as ten `i32`s.
 #[cfg(not(feature="radix_51"))]
 pub type Limb = i32;
 
-/// FieldElement represents an element of the field GF(2^255 - 19).  An element
-/// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
-/// t[3]+2^102 t[4]+...+2^230 t[9].  Bounds on each t[i] vary depending on
-/// context.
+/// A `FieldElement` represents an element of the field GF(2^255 - 19).
+///
+/// With the `radix_51` feature, a `FieldElement` is represented in
+/// radix 2^25.5 as ten `i32`s, so that an element t, entries
+/// t[0],...,t[9], represents the integer t[0]+2^26 t[1]+2^51
+/// t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9].  Bounds on each t[i]
+/// vary depending on context.
 #[cfg(not(feature="radix_51"))]
 #[derive(Copy, Clone)]
 pub struct FieldElement(pub [i32; 10]);