<p>Yeah if we can mitigate this it'd be nice, but there will always be a minimal size for GTK widgets (the size under which they consider they can't draw themselves in a useful manner).  I think GTK3 changed the handling of underallocation from "the widgets handles whatever it can" to "cannot happen", and thus in a GtkPaned it just result in truncating the visible part.  Or something like this.</p>

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