iedata_text (=1): text
iedata_size (=2): size and position
iedata_binary (=4): binary data, images
iedata_font (=8): font specification
iedata_style (=16): styles
edata_allother (=32): all other data
iedata_note (=64): notes (RC-WinTrans data)
iedata_task (=128): tasks (RC-WinTrans data)
iedata_recheck (=256): recheck marker (RC-WinTrans data)