+See also <<p_put,!>>, <<p_plus,+>>, <<p_comma>>, <<p_get,@>>,
+<<p_Ccomma>>, <<p_current_word,CURRENT-WORD>>, <<p_dup,DUP>>,
+<<p_here,HERE>>, <<p_herememcpy,HERE>>, <<p_Rget,R@>>, <<p_rot,ROT>>,
+and <<p_dovariable,doVARIABLE>>,
+as well as <<p_execute,EXECUTE>>
+about the range of "doer" assignments and their meanings.