Personal preference: consistent case (i.e., whatever method used for tags is used for all of them, throughout the document for its lifetime, no matter how many authors are involved).

Update: 2012-08-25 - Fixed missing close parenthesis.

In reply to Re: Markup tags should be written in: by atcroft
in thread Markup tags should be written in: by FloydATC

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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