Merge branch 'tdb/isotropic' of https://github.com/RayTracing/raytracing.github.io into tdb/isotropic

Author: trevordblack

CHANGELOG.md

@@ -36,6 +36,7 @@ Change Log -- Ray Tracing in One Weekend
   - Fix: Fixed `bvh_node` constructor definition signature (#872)
 
 ### The Rest of Your Life
+  - Fix: Added missing functionality for `isotropic` (#664)
   - Fix: Variable `direction` was used without being defined in listing 11 (#831)
   - Fix: Added missing functionality for `isotropic` (#664)
 

books/RayTracingTheRestOfYourLife.html

@@ -2963,7 +2963,7 @@
 </div>
 
 <div class='together'>
-The Lambertian material becomes simpler:
+The `lambertian` material becomes simpler:
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++
     class lambertian : public material {