K 10 svn:author V 3 dru K 8 svn:date V 27 2013-05-10T14:00:18.036043Z K 7 svn:log V 269 First pass through first 1/2 of a huge chapter. Subsequent patches to follow. This patch addresses the following: - &os;, e.g., you - most acronyms - grammar fixes and general tightening - fixes command/app tags which should be entities Approved by: bcr (mentor) END