Version 0.7.1 - 2023-04-25 * Fix C compiler warnings as per CRAN policy. Version 0.7.0 - 2020-04-01 * Update Snowball library to version 2.0. This adds support for Arabic, Basque, Catalan, Greek, Hindi, Indonesian, Irish, Lithuanian, Nepali and Tamil. Version 0.6.0 - 2019-01-07 * Fix wordStem(NA) to return NA instead of "NA". Version 0.5.1 - 2014-08-08 * Clarify license. Version 0.5 - 2013-05-22 * Initial release.