ia->sheet_spec = xzalloc (sizeof *ia->sheet_spec);
ia->first_line = xzalloc (sizeof *ia->first_line);
ia->separators = xzalloc (sizeof *ia->separators);
ia->formats = xzalloc (sizeof *ia->formats);
ia->sheet_spec = xzalloc (sizeof *ia->sheet_spec);
ia->first_line = xzalloc (sizeof *ia->first_line);
ia->separators = xzalloc (sizeof *ia->separators);
ia->formats = xzalloc (sizeof *ia->formats);
g_signal_connect (a->assistant, "prepare", G_CALLBACK (on_prepare), ia);
g_signal_connect (a->assistant, "cancel", G_CALLBACK (on_cancel), ia);
g_signal_connect (a->assistant, "close", G_CALLBACK (on_close), ia);
g_signal_connect (a->assistant, "prepare", G_CALLBACK (on_prepare), ia);
g_signal_connect (a->assistant, "cancel", G_CALLBACK (on_cancel), ia);
g_signal_connect (a->assistant, "close", G_CALLBACK (on_close), ia);