Add trademark symbols and attributions:

• Add trademark tags as needed, generally on first use in each article.
• Add an attribution to the legal section mentioning all trademarks referenced.
• Always use correct case for trademarks.
• Don't join trademarks with other words, e.g. using hyphens.

trademark.ent:

• Commonly used trademarks are defined as entities for ease of use.
• All trademark attributions are defined as entities for ease of use.

Approved by: ceri (mentor)