D-Programming-Language/dmd — pull request #2696 by WalterBright (2013-10-29 06:12:50+00:00)
Title: fix Issue 11330 - Directory named as imported module should not stop module search

http://d.puremagic.com/issues/show_bug.cgi?id=11330

The fix opted for is if a directory does not contain a package.d file, then it is not considered to be an implicit package.