Tree b: | ROW | r5 id-36 | Flow model: wdth_c0ls
(declared 1-to-4 columns with explicit per-column widths.
Col => 100px
Col => Auto
Col => 40px
Col => 50%
ROW | r16 id-48 | wdth_c0ls 4 cols 120px, 50%, auto, auto
c17
id-50
120px
t20 id-53
c18
id-51
50%
t21 id-54
:c19
id-52
auto
t22 id-55
c23
id-56
auto
t24 id-57
ROW | fl0w_cq_cntr | r25 id-58
Group g26 id-61
c27 id-62
t30 id-65
c29 id-64
t28 id-63