On Sun, Mar 29, 2015 at 05:52:04PM -0500, Tim Chase wrote:
> On 2015-03-29 15:26, Peng Yu wrote:
> > > > When I ":help shiftwidth", I get to eval.txt. But I'd like to
> > > > get to options.txt. How to do so? Thanks.
> > >
> > > :help 'shiftwidth'
> >
> > What is the difference between with the single quote and without
> > the single quote? Where is this difference documented?
> By convention, Vim's settings are targeted in the help by putting
> single-quotes around them. If they're unique, you can find them in
> the help without the quotes, as Vim does a best-guess matching for
> substrings. Thus if you do something like
> :help formatexpr
> it will take you to the same place as
> :help 'formatexpr'
> However, as you discovered, if you leave off the single-quotes and
> some other target is found, it will take you there instead. E.g.
> :help 'list' " takes you to the help on the 'list' setting
> vs
> :help list " takes you to the help on ":list"
> So generally, if you want to find an option/setting, make sure to
> include the single-quote. The conventions are listed at
> :help help-context
> which is visible right from the first page of just typing
> :help
> You can also hit control+D to have Vim show you the potential matches
> such as
> :help list<C-D>
> which shows that there are Ex commands, settings, functions,
> build-time options, variables, and data-types all containing the
> search-term "list".
and, if you want to dive in and spend an afternoon reading up on various
things in the docs try using
:helpgrep <whatever-you're-interested-in>
with
let mapleader = ','
nnoremap <Leader>hhh :call HelpgrepScrollers()<CR>
function! HelpgrepScrollers()
silent! nmap <F6> :cnext<CR>
silent! nmap <S-F6> :cprev<CR>
echo 'helpgrep scrollers :cn and :cp mapped to F6 and S-F6'
endfunction
in your .vimrc you then hit ,hhh to map F6 and S-F6 to scroll through
the helpgrep results at your leisure
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