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d03b1779b4
The code in _print_historical_lv function works with temporary "descendants_buffer" that is allocated and freed within this function. When printing text out, we used "outf" macro which called "out_text" fn and it checked return value and if failed, the macro called "return_0" automatically. But since we use the temporary buffer, if any of the out_text calls fails, we need to deallocate this buffer properly - that's the "goto_out", otherwise we'll be leaking memory. So add new "outfgo" helper macro which does the same as "outf", but it calls "goto_out" instead of "return_0" so we can jump to a cleanup hook at the end.