IXON             1497 src/dps8/panelScraper.c                         INLCR | PARMRK | INPCK | ISTRIP | IXON);
IXON              248 src/simh/linehistory.c   raw.c_iflag &= ~( BRKINT | ICRNL | INPCK | ISTRIP | IXON );