K 10 svn:author V 3 alc K 8 svn:date V 27 2017-09-17T03:44:15.531891Z K 7 svn:log V 294 MFC r321102 Tidy up before making another round of functional changes: Remove end- of-line whitespace, remove excessive whitespace and blank lines, remove dead code, follow our standard style for function definitions, and correct grammatical and factual errors in some of the comments. END