Problem is related to width calculation when hflex is set to min on column.

I created ZKfiddle example: http://zkfiddle.org/sample/2ng7e6l/1-Grid-with-auxhead-and-hflex-min-column-error

I need to have two levels of header in grid (2 sections for data and 1 section for button)

• second level describes column names and last header should have rowspan to be properly displayed

Because of rowspan is needed, I need to use two auxheads and columns without labels (labels are defined in auxheader elements).
Some of the columns needs to be as minimimal width as possible, but header shold be allways visible.
If I give up rowspan and use only one auxhead and columns with labels inside column elements, width is calculated properly.
But when I really want to use rowspan, width calculation for hflex=min column fails