Changes in version 1.3 Changes in 1.3.1 - Use the full unit test suite from the Spectra package to check validity of the MsBackendMsp. Changes in version 0.99 Changes in 0.99.4 - Import coreSpectraVariables from Spectra. Changes in 0.99.2 - Small updates and changes. Changes in 0.99.1 - Address review comments. Changes in version 0.98 Changes in 0.98.2 - Vignette added. Changes in 0.98.1 - Improve export method to support multi-value fields and user-provided mappings. Changes in 0.98.0 - Add additional spectra variable mappings. - Call unit tests from the Spectra package. Changes in version 0.0 Changes in 0.0.5 - Add possibility to define mapping between spectra variables and MSP data fields. - Support duplicated data fields in a single MSP entry. Changes in 0.0.4 - Fix tests to match new columns in MSP parsing - Start using Spectra generic tests