[ESS] ess-mode: Wrong type argument: syntax-table-p, nil

[Stephen Eglen]

hi Leon,

 > Should we also consider renaming 'ess-mode' to something else? It is
 > quite confusing for beginners in a sense of a major mode. Just some
 > thoughts. 

Thanks - but I don't think we need to rename it.  The function
ess-mode is fairly hidden now, since I made it
non-interactive.  Further, it is not mentioned in our documentation,
so we should be okay.  

Stephen