v input view
Html takes a view v and returns a text string which displays that view in HTML format, including the full sub-view structure.
Example:set v [view {A B} def {a 1 b 2 c 5 b 3 b 4}]
view $v group A G | html
A G 0 a
B 0 1 1 b
B 0 2 1 3 2 4 2 c
B 0 5
(html is defined in Ratcl)