Comment 2 for bug 967416

StacktraceTop:
 file_save (parentWindow=..., doc=0x2817f00, uri=..., key=0x22cb480, checkoverwrite=true, official=true, save_method=Inkscape::Extension::FILE_SAVE_METHOD_SAVE_AS) at file.cpp:638
 sp_file_save_dialog (parentWindow=..., doc=0x2817f00, save_method=Inkscape::Extension::FILE_SAVE_METHOD_SAVE_AS) at file.cpp:861
 sp_action_perform (action=0x281ec40, data=0x0) at helper/action.cpp:181
 closure_invoke_notifiers (notify_type=2, closure=0x3ad05e0) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:273
 _g_closure_invoke_va (closure=0x3ad05e0, return_value=0x0, instance=0x1, args=0x7fff9a55cd10, n_params=32767, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:839