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According to the User's Guide [1], an `assign` command allows a `workspace` token after the selector, as an alternative or in addition to the unicode arrow `→`. In reality, however, the `workspace` token is not recognized. Example: assign [class="Firefox"] workspace "1: Browser" should assign Firefox windows to workspace `1: Browser`, but the the browser window appears on a new workspace called `workspace "1: Browser"` instead. With this fix, both `→` and `workspace` are recognized (and ignored) after the selector. [1] https://i3wm.org/docs/userguide.html#_automatically_putting_clients_on_specific_workspaces
