query updateProfile.baseProfile says seu?!

[Buck <kc2hiz@xxxxxxxxx>]

Bob's questions spurred me to start looking at writing my own profile. 
Of course I can't find the darned page with the tutorial but I think I'm 
close.  Anyway, I'm writing queries at the moment so I don't blow 
anything up.  I was a bit surprised to find that query 
updateProfile.baseProfile tells me that I'm using the seu profile with 
an RPGLE source member open.
When I go to Window, Preferences, Lpex editor, I can see that I'm set to 
use the lpex profile.  I don't think I really care one way or the other 
aside from the fact that I don't understand how the thing is put 
together.  I sort of think that I'd want to have some sort of 
understanding before I go tinkering...
Am I right that WDSC 6.0 uses Eclipse 3.0?  I was trying to have a look 
at the Eclipse documentation to try to follow how Eclipse fires the 
various classes.  In particular, I was trying to see how Eclipse knows 
to load the RSE, and from there when I open an RPGLE source member, how 
the proper parser and profile get loaded.
Needless to say I am not going to be making a living reading Java code 
anytime soon.  :-)  I can see where (Windows, Preferences, Lpex Editor, 
Parsers) the parser for ILE RPG is registered.  I can't readily see what 
jar file com.ibm.etools.iseries.editor.ISeriesEditorRPGILEParser lives 
in, nor where the source might be.
I'll stop rambling.  Is there a good reference for the way WDSC loads 
the editor profile it uses for ILE RPG?  Paper works too...
  --buck