RAhO (http://www.lojban.org/en/publications/reference_grammar/chapter7.html)

The pro-bridi update flag: changes the meaning of sumti implicitly attached to a
pro-bridi (see GOhA) to fit the current context rather than the original context.

A: mi ba lumci le mi karce B: mi go'i A: I [future] wash my car. B: I
do-the-same (i.e. wash A's car). A: mi ba lumci le mi karce B: mi go'i ra'o A: I
[future] wash my car. B: I do-the-corresponding-thing (i.e. wash B's car).

