[email protected] wrote:
command! -nargs=1 -bar Pyhelp :call ShowPydoc(<f-args>)
nnoremap <buffer> <silent> K :exe ":Pyhelp expand('<cword>')"

I define a ShowPydoc func,

If you type ":Pyhelp xxx"

you will get the help of xxx.

Now I want to map the K to the that if I move the curor on the word that I want 
to get the helpdoc.

But expand('<cword>') here can't get the word under curor and pass the 
"expand(<'cword'>)" to the func.

And I try :echo expand(<'cword'>) it worked,

You could use :ManPageView for this, you know; it does the "k" map for python already.

Manpageview is available at:

http://www.drchip.org/astronaut/vim/index.html#MANPAGEVIEW (cutting edge)
    http://vim.sourceforge.net/scripts/script.php?script_id=489 (stable)

Installation is simple:

    vim manpageview.vba.gz
    :so %
    :q

Regards,
Chip Campbell

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