get_banff_version: Extract version of the Banff classification
Description
This internal function extracts for user input the version of the Banff
classification.
Usage
get_banff_version(version = NULL)
Value
A character string which is the version of Banff classification.
Arguments
- version
A character string referring the version of Banff classification.
The most recent classification is the default.
Options are "2022" (default), "2017".