t / t3900 / ISO-2022-JP.txton commit test-dir-iterator: do not assume errno values (9042140)
   1\e$B$O$l$R$[$U\e(B
   2
   3\e$B$7$F$$$k$N$,!"$$$k$N$G!#\e(B
   4\e$B_@IM$[$l$W$j$]$l$^$S$0$j$m$X!#\e(B