I found both sources and following you procedure they can be modified. Apparently the Eclipse package incorporates them in the jar file. I scanned Eclipse for either files, but I could not find them. Only the previous versions had accessible source files.
I like you suggestion. So I will take that approach. I haven't a clue how yet, but I'd rather make 10 mistakes (I learn more) then some one telling me how to do it.
So my thinking will probably be:
a) after a couple of days...... How could any one use this onlogic language!!!
b) after a couple of weeks....... Oh that makes sense......
c) after a couple of weeks more..... Not a bad language at all
And after about 25 programming languages through 40 years..... They all boil down to the same thing and you start using languages where they are convenient using the strengths