Build 2.9.0.66 of xlsgen adds the same improvements than the previous build, 2.9.0.65, but this time applied to XLSX files (i.e. Excel 2007 and Excel 2010).

Among others, hidden axis, hidden legend, legend placement, maximum per axis, interval ticks between units, color (of area), round corners, border type, width, style and color, series-level color and border, tick marks (inside/outside/none), ticks hide independent of axis hide, major/minor gridlines border, copy of font settings.

This is an interesting improvement for the following scenarios : introspection, edit, copy, conversion and rendering.

No source code change needed.