Provide a format for ISO8601 dates and times with the requested precision.
format_ISO8601_precision_check(precision, max_precision, usetz = FALSE)
The amount of precision to represent with substrings of
"ymdhms", as "y"ear, "m"onth, "d"ay, "h"our, "m"inute, and
"s"econd. (e.g. "ymdhm" would show precision through minutes. When NULL,
max_precision
is returned. When precision
is more precise than
max_precision
, a warning is given and max_precision
is returned.
The maximum precision allowed to be output.
Include the timezone in the output format