add checks for .exrc files -- don't source the startup files unless
treee307767e83bddba3d740cfebe56c95fdaa08a07a
-rw-r--r-- 7092 README
drwxr-xr-x - common
drwxr-xr-x - docs
drwxr-xr-x - ex
drwxr-xr-x - vi