SpecGL: 2.1A and 2.1B - define Scope

Assignment: Rewrite: 2.1A Define Scope - folding in 2.1B write simple, 
short statements.

2.1 Principle A: Define the scope
- Why care?  Add the following as the first sentence.
This is one of the first sections a reader reads, so it is important to 
capture their attention and make sure they understand what the 
specification is about.

- Techniques
* Make the scope easy to find.
1. Include the scope section in the beginning of the document
2. Make “Scope” an item in the table of content

* Write simple, direct statements of fact. Don’t include any requirements 
in the scope section.  Use statements such as: This document
  --- specifies a method of …
  --- specifies the characteristics of …
  --- defines…
  --- establishes a system for …
  --- establishes general principles for …
  --- is a guide for …

* In addition to describing the subject of the specification, address the 
following to achieve a more complete scope:
(NO CHANGES)

Examples:
Move the example from 2.1B, here.

Delete 2.1B.