*** Node equivalent with `@samp{node}' already used `@strong{node}' 
*** Node equivalent with `node' already used `@samp{node}' 
** node_next `@asis{node}' for `before top' not found 
**  ---> but equivalent node `@samp{node}' found 
*** Unknown node in menu entry `@strong{node}' (l. 12)
**  ---> but equivalent node `@samp{node}' found 
