US flavor of English to keep the yanks happy. ;-)

lang/en_us/README

lang/en_us/assignment.php

lang/en_us/auth.php

lang/en_us/choice.php

lang/en_us/docs/module_files.txt

lang/en_us/forum.php

lang/en_us/help/assignment/assignmenttype.html

lang/en_us/help/assignment/resubmit.html

lang/en_us/help/choice/options.html

lang/en_us/help/coursecategory.html

lang/en_us/help/courseformats.html

lang/en_us/help/coursefullname.html

lang/en_us/help/coursenewsitems.html

lang/en_us/help/coursenumsections.html

lang/en_us/help/courserecent.html

lang/en_us/help/courseshortname.html

lang/en_us/help/coursestartdate.html

lang/en_us/help/enrolmentkey.html

lang/en_us/help/forum/allowdiscussions.html

lang/en_us/help/forum/attachment.html