The graded version of Paper 1 is now in Angel. You can find it in the Dropbox where you originally uploaded it. Please let me know if you have any problem in opening it.
You can find the abbreviations used here on the "Key to Comments" page at http://www.wsu.edu/~campbelld/keyto.htm. Please check it carefully, and if there’s something that you don’t understand, please contact me for an appointment.