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Allison Karlitskaya authored
If we start with a padding of -1 then it can leak out of the size allocation request for the column when the treeview is empty. The GtkTreeView will then collect these -1 values and add them together, returning -n where 'n' is the number of columns. This is usually not a problem because treeviews tend to be used with a scrollbar and the width of the scrollbar will be added to this number bringing it into positive territory again. On Ubuntu, with overlay scrollbars, this is not the case, however. https://bugzilla.gnome.org/show_bug.cgi?id=703062
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