Now TestOutSinks can be run as an automated test, by anyone, to find
regressions, instead of me having to go through each one by hand.
git-svn-id: svn://10.0.0.236/trunk@54953 18797224-902f-48f8-a5cc-f745e15eee43
format=flowed for mail plaintext output. Restructures the plaintext
output wrapping code, wholly or partially fixes numerous bugs in plaintext
output (13278, 13442, 17823, 17824, 13753, 12551), makes the automated
tests work on Windows and adds some new automated tests. r=akkana.
git-svn-id: svn://10.0.0.236/trunk@52653 18797224-902f-48f8-a5cc-f745e15eee43
