etc/symbols

 \<^bash_function>       argument: cartouche
 \<^scala>               argument: cartouche
 \<^scala_function>      argument: cartouche
 \<^scala_method>        argument: cartouche
 \<^scala_object>        argument: cartouche
+\<^scala_thread>        argument: cartouche
 \<^scala_type>          argument: cartouche
 \<^session>             argument: cartouche
 \<^simproc>             argument: cartouche
 \<^sort>                argument: cartouche
 \<^syntax_const>        argument: cartouche