autocmd fails for a filetype

I'm using vim normal version, gvim huge version both of
version number 7.2 on slackware 13.0.

I have the following lines in my .vimrc
autocmd BufNewFile,BufRead *.lsp setf newlisp
autocmd BufNewFile,BufRead *.lsp so ~/.vim/syntax/newlisp.vim
autocmd BufRead,BufNewFile *.lsp setlocal shiftwidth=2 tabstop=2
autocmd BufRead,BufNewFile *.lsp setlocal iskeyword+=:

If a open a file with an extension of .lsp and from ex
:set shiftwidth
I see that indeed, shiftwidth is set to 2
but
if I invoke
:echo &ft
I see that the filetype is *lisp* not newlisp. And it does not
appear that ~/.vim/syntax/newlisp.vim has been sourced.
What am I doing wrong here?

thanks
--
Tim
tim@johnsons-web.com
http://www.akwebsoft.com

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