Updates:
Status: Fixed
Comment #2 on issue 3564 by
[hidden email]: Comparison of source
references (for sorting)
http://code.google.com/p/pharo/issues/detail?id=3564Fixed in
SLICE-Issue-3564-Not-all-SourceReference-subclasses-implement--JohanBrichau.3
(probably best to integrate in 1.2 because the bug breaks the source
searching tools...)