# Check width and precision. %-30.20s 123456789012345678901234567890 %30.20s 123456789012345678901234567890 %d 123456789 %+10d 123456789 %-10d 123456789 %10d 123456789 %10.10d 123456789 %+ld 123456789 %-ld 123456789 %ld 123456789 %10ld 123456789 %10.10ld 123456789 %+lo 123456789 %-lo 123456789 %lo 123456789 %10lo 123456789 %10.10lo 123456789 %f 1e308 %.100f 1e308 %g 1e308 %.309g 1e308 %s foo %0s foo %.0s foo %10s foo %+10s foo %-10s foo