Constants and globals are both lowerCamelCase; globals can be exported sometimes, setup() preferred
Define guidelines on inheritance
Expand on apply vs. call for inheritance
Make inheritance example more readable
Fix typo: s/apply/call/1
Fix typos around parent and child class
Add section: "Function naming"
Change indentation style of "Function naming"

Strive for less use of gratuitous newlines in code.
Exhibit a bad example of a function name

Add both prose and an example to "Function names," calling for quality
naming of functions.
Merge branch 'function_naming'; add more editorial around nested functions