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%
* F1 ~; B" f- {example: * M, r# W& q9 [% kif there are buffer A and buffer B 1 H) O5 f% W3 R9 O: z+ t) L s r - s- M5 @; J) k; pchange output rule as below: 1 E, k! w; }8 u5 F# }! _4 Rpercent/1 A 80%, B 20%