Steps to Reproduce

run the attached sizableColumns.zul
1) double click the separator between column 2 and 3 to auto size column 2
2) (optional) resize the column manually

Current Result

after step 1 the column headers are of sync with the content cells

subsequent manual resizes don't fix the problem

Expected Result

header and cell widths remain synchronized

Debug Info

when resizing the column manually before double clicking to auto-size (step 1) the autosized widths are correct as expected

Root Cause

Workaround

zk-4219.js