PROBE|000|boot|start|
PROBE|000|boot|device|model=Roku TV os=15.0
PROBE|000|boot|ui|HD 1280x720
PROBE|001|all|start|
PROBE|002|P-postergrid|P1-one-col-no-gap|rect={x=0 y=0 w=100 h=100} | width=poster+2*marginX height=poster+2*marginY basePosterSize=[100,100]
PROBE|003|P-postergrid|P2-column-widths|rect={x=0 y=200 w=200 h=100} | columnWidths=[200] - does it override basePosterSize=[100,100]?
PROBE|004|P-postergrid|P3-three-cols-no-array|rect={x=0 y=400 w=400 h=100} | 3 cols, no spacing arrays, itemSpacing.x=50 -> expect 2 gaps of 50
PROBE|005|P-postergrid|P4-short-array|rect={x=0 y=600 w=320 h=100} | 3 cols, columnSpacings=[10], itemSpacing.x=50 -> REPEAT gives 10+10, FALLBACK gives 10+50
PROBE|006|P-postergrid|P5-full-array|rect={x=0 y=800 w=330 h=100} | 3 cols, columnSpacings=[10,20] -> control, gaps 10+20
PROBE|007|all|done|
PROBE|999|boot|end|
------ Finished 'postergrid-spacing-probe' execution [EXIT_USER_NAV] ------

