The category "<scale_operation-gapsout_null-gapsin_null>" can be expressed as follows:
<change_parameter> scale to one over <scale_number-gapsout_null-gapsin_null>
<change_parameter> scale to one to <scale_number-gapsout_null-gapsin_null>
set scale to <scale_number-gapsout_null-gapsin_null>
set scale to one over <scale_number-gapsout_null-gapsin_null>
set scale to one to <scale_number-gapsout_null-gapsin_null>