Variables starting with `r' in 321/rhapsody

• redramp 321/rhapsody/vid_next.m:725
• redtable 321/rhapsody/vid_next.m:732
• resolutions 321/rhapsody/r_next.m:32
• rhap_mode 321/rhapsody/swimp_rhap.m:24
• rowbytesnative 321/rhapsody/vid_next.m:51