Le mercredi 11 février 2015 21:54:54 UTC+1, Enno a écrit :
> Le mardi 10 février 2015 09:22:35 UTC+1, Enno a écrit :
> > Hello,
> >
> > There is a thread on StackOverflow labelled
> >
> > "How to get visually selected text in VimScript"
> >
> > The naive and stable approach would be
> >
> > let old_reg = @v
> > normal! gv"vy
> > let raw_search = @v
> > let @v = old_reg
> > return raw_search
> >
> > but that only works if `set nosecure`. If `set secure` then
> > the functions become involved. I posted my own take at
> >
> > http://stackoverflow.com/questions/1533565/how-to-get-visually-selected-text-in-vimscript/28398359#28398359
> >
> > but it handles neither block-wise selections nor multibyte columns. A function that supports both is for example given at
> >
> > https://github.com/haya14busa/vim-asterisk/blob/4fda3a4d90926512fbb10eda8b7b0491c650eb5e/autoload/asterisk.vim#L163
> >
> > Is there a simple solution at all?
> >
> > Enno
>
> You are right. Thanks for your patience.
>
> I cannot reproduce this dependency on the function
> residing in the autoload folder. So in the end the
> explanation given at :help E523 was a red herring.
>
> I erroneously thought of <expr> mappings and expression register
> mappings as equivalent but found the former more easily readable.
>
> I don't know if there are situations when an <expr> mapping cannot
> be reproduced by an equivalent expression register mapping, or if
> there are other instances when the normal command is impossible.
Just encountered such a situation: If <CR> shall close the completion popup menu and otherwise open a new line, then only
inoremap <expr> <CR> pumvisible() ? "<C-Y>" : "<C-]><CR>"
works. The try
inoremap <CR> <C-R>=pumvisible() ? "<C-Y>" : "<C-]><CR>"<CR>
does not work because abbreviations will not expand anymore.
Apparently the command <C-]> comes to late.
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