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%
& G9 s- x% @1 N9 `example: 5 O' n1 Z. b+ q
if there are buffer A and buffer B 5 f6 h' x- I/ D: p! K8 P9 l8 E" z5 L! m9 ~5 M( q
change output rule as below:* e' q# Y3 W( @* S+ L
percent/1 A 80%, B 20%