Set or check the EML version default
eml_version(version = getOption("emld_db", "eml-2.2.0"))
EML version, currently either eml-2.2.0 (current version), or eml-2.1.1. The 'eml-' prefix can be omitted.
returns the EML version string. As a side-effect, sets the requested version as the default version by setting the emld_db variable in options().
emld_db
options()
# NOT RUN { eml_version() eml_version("2.1.1") eml_version("eml-2.1.1") # }
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