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%
3 [# R p. g5 e0 f! w+ V1 eexample: ; h1 ~" S( K. Aif there are buffer A and buffer B # {; d# Q2 o m9 ^8 J* \ " T8 r- Q" D0 q# L" y/ s& qchange output rule as below: 9 ~" G0 _4 N3 V2 i' Zpercent/1 A 80%, B 20%