PERCENT/{stream, substream}, location1 percentage,location2 percentage {,location3 percentage...}
example:
if there are buffer A and buffer B
change output rule as below:
percent/1 A 80%, B 20%
9 e3 Q' m7 Y, E1 sexample: ' ?- f) z* D# d4 M5 V7 A
if there are buffer A and buffer B( M! v# d7 p: H0 `' o
8 y8 J" a4 y+ N: @4 w& j) f
change output rule as below:! _. ?9 X m" v
percent/1 A 80%, B 20%