[$] Living with the Rust trademark

The intersection of free software and trademark law has not always beensmooth. Free-software licenses have little to say about trademarks but,sometimes, trademark licenses can appear to take away some of the freedomsthat free-software licenses grant. The Firefox browser has often been the focal point for trademark-relatedcontroversy; happily, those problems appear to be in the past now. Instead,the increasing popularity of the Rustlanguage is drawing attention to its trademark policies.