Slick EDIT V3.3 - Manual (Page 269)

7. When finished, click OK.
8. A prompt appears asking whether to rebuild your workspace tag file. Click Yes.
Preprocessor macros are stored in usercpp.h, located in your configuration directory. Rather than using
the dialog, you can add large numbers of #defines directly to this file. You may want to make sure that
your entire development team has an up-to-date copy of this configuration file once you have added all of
your local preprocessor macros.
Note
The usercpp.h file should only be used for #defines and #undefs—not #includes.
Java
247