Clean up and improve case code.
[pspp] / src /
drwxr-xr-x   ..
-rw-r--r-- 216 .cvsignore
-rw-r--r-- 486425 ChangeLog
-rw-r--r-- 438 automake.mk
drwxr-xr-x - data
drwxr-xr-x - language
drwxr-xr-x - libpspp
drwxr-xr-x - math
drwxr-xr-x - output
drwxr-xr-x - ui