tz1              1764 maint/gnulib/lib/parse-datetime.y             timezone_t tz1;
tz1              1778 maint/gnulib/lib/parse-datetime.y             tz1 = tzalloc (tz1string);
tz1              1779 maint/gnulib/lib/parse-datetime.y             if (!tz1)
tz1              1781 maint/gnulib/lib/parse-datetime.y             tz = tz1;