Re: nnoremap nmap confusion

Am 14.08.2019 um 21:51 schrieb Kai Weber:
> * 'Andy Wokula' via vim_use <vim_use@googlegroups.com>:
>
>>> The plugin srstevenson/vim-picker defines a list of mappings:
>>
>> I read those https://github.com/srstevenson/vim-picker README for you:
>> it suggests :nmap for your mappings ... no cargo-cult here.
>
> You are right. But why?
> Why does nnoremap not work?

:nmap
= remapping on
=check the right hand side for user-defined left-hand-sides (and expand them recursively)
when it comes to executing the mapping

:nnoremap
= remapping off
= interpret the right hand side as if there were no mappings defined

There is no builtin command starting with <Plug>
(and important for plugin writers: there is no key "<Plug>" on your keyboard).
(If you need a beep, try
:exec "normal! \<Plug>"
)
The only thing starting with <Plug> is a user-defined mapping, usually from a plugin.


Help pointers:
:h :nmap
:h :nnoremap
:h <Plug>
:h map-listing
the latter explains `*' in the map listing.

(:help is essential. Also try <Tab> and Ctrl-D for completion, and wildcards `*' and `?'
search around with `/', try :helpgrep, etc.).


" ok:
:nnoremap <silent> <Plug>(PickerEdit) :PickerEdit<CR>

" wrong:
:nmap <silent> <Plug>(PickerEdit) :PickerEdit<CR>
" eg user swapped `;' and `:' via mapping => right hand side becomes `;PickerEdit<CR>'

" ok:
nmap <unique> <Leader>E <Plug>(PickerEdit)

" wrong:
nnoremap <unique> <Leader>E <Plug>(PickerEdit)
" just beeps, no builtin command starting with <Plug>

--
Andy

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