quarter          1850 maint/gnulib/lib/parse-datetime.y     int quarter;
quarter          1851 maint/gnulib/lib/parse-datetime.y     for (quarter = 1; quarter <= 3; quarter++)
quarter          1854 maint/gnulib/lib/parse-datetime.y         if (INT_ADD_WRAPV (Start, quarter * (90 * 24 * 60 * 60), &probe))