Gnumeric 1.12.20 Andreas: * ODF import/export trendline names. [#743448] * ODF import/export trendline affinity & dimensions. * ODF import/export major & minor chart axis tick marks. * ODF import/export chart axis min and max formulae. * Fix ODF export of single cell ranges in graphs. [#743619] * ODF import/export series fill types. [#743613] * ODF import/export marker outline colour. * ODF export all charts in a graph. * ODF import/export axis positions. * ODF import/export series lines. [#743785] * ODF import/export all plots in a chart. [#743786] Morten: * xlsx chart import: fix font family name. * xlsx import/export trend line names. * Fix gda plugin compilation. [#743506] * Fix xlsx export problem with auto markers. * Import/export xlsx chart axis min/max/steps. * Export xlsx chart axis tick marks. * Fix xlsx problem with inverted axis. * Export sliders as scrollbars for xls. * Fix xls loading of horizontal scrollbars. [#743754] * Plug leaks. * Fix xlsx comment export. * Make XL see our exported xlsx axes. * Fix xlsx import/export of axis font info. [#743822] --------------------------------------------------------------------------