From 4351964eaf08975bc35f81a5a3f58f9c58d0d385 Mon Sep 17 00:00:00 2001
From: Jay Herron <NeedleInAJayStack@protonmail.com>
Date: Wed, 17 Apr 2024 17:34:09 -0600
Subject: [PATCH 1/2] docs: Adds default unit file to readme

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 7fa8356..f576f92 100644
--- a/README.md
+++ b/README.md
@@ -119,6 +119,11 @@ Here are a few examples:
 
 Measurements are represented as the numeric value followed by a space, then the serialized unit. For example, `5 m/s`
 
+## Default Units
+
+For a list of the default units and their conversion factors, see the
+[`DefaultUnits.swift file`](https://github.com/NeedleInAJayStack/Units/blob/main/Sources/Units/Unit/DefaultUnits.swift)
+
 ## Custom Units
 
 To extend this package, users can define their own custom units using `Unit.define`:

From 554451dc08d23b034f70d73ca96bddcf53a92d77 Mon Sep 17 00:00:00 2001
From: Jay Herron <NeedleInAJayStack@protonmail.com>
Date: Wed, 17 Apr 2024 17:39:56 -0600
Subject: [PATCH 2/2] docs: Adds a disambiguating comments to unit defs

---
 Sources/Units/Unit/DefaultUnits.swift | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Sources/Units/Unit/DefaultUnits.swift b/Sources/Units/Unit/DefaultUnits.swift
index 116c1db..375dce1 100644
--- a/Sources/Units/Unit/DefaultUnits.swift
+++ b/Sources/Units/Unit/DefaultUnits.swift
@@ -241,6 +241,7 @@ enum DefaultUnits {
         dimension: [.Mass: 1, .Length: 2, .Time: -2],
         coefficient: 4184
     )
+    // Thermochemical BTU: https://en.wikipedia.org/wiki/British_thermal_unit#Definitions
     static let btu = try! DefinedUnit(
         name: "btu",
         symbol: "BTU",
@@ -447,6 +448,7 @@ enum DefaultUnits {
         dimension: [.Length: 1],
         coefficient: 0.3048
     )
+    // International yard: https://en.wikipedia.org/wiki/Yard
     static let yard = try! DefinedUnit(
         name: "yard",
         symbol: "yd",
@@ -611,6 +613,7 @@ enum DefaultUnits {
         dimension: [.Mass: 1],
         coefficient: 0.028349523125
     )
+    // pound-mass: https://en.wikipedia.org/wiki/Pound_(mass)
     static let pound = try! DefinedUnit(
         name: "pound",
         symbol: "lb",
@@ -924,7 +927,7 @@ enum DefaultUnits {
         dimension: [.Time: 1],
         coefficient: 604_800
     )
-    // Julian year
+    // Julian year: https://en.wikipedia.org/wiki/Julian_year_%28astronomy%29
     static let year = try! DefinedUnit(
         name: "year",
         symbol: "yr",