* Converts a string containing an ISO 8601 encoded date and time
* to a #GTimeVal and puts it into @time_.
*
+ * @iso_date must include year, month, day, hours, minutes, and
+ * seconds. It can optionally include fractions of a second and a time
+ * zone indicator. (In the absence of any time zone indication, the
+ * timestamp is assumed to be in local time.)
+ *
* Return value: %TRUE if the conversion was successful.
*
* Since: 2.12