Vim – Tabs in :o Show up as ^I and Autocomplete Does Not Function

autocompletevim

In Vim, my tab's show up as ^I, and I'm wondering if anybody knows why this might be. This is especially annoying when using 😮 to open a file, as the autocomplete does not function. I've looked all over but haven't been able to find anything, it even occurs with a blank .vimrc file. Is there a setting that would cause this, or a way I can remap the key to get it to function properly?

Best Answer

If I read you correctly, you are talking of autocompletion in command mode when e.g. edit a file.

The section "cmdline-completion" of Vim manual says:

The 'wildchar' option defaults to (CTRL-E when in Vi compatible mode)

You should check this option.

OTOH, if :o means "open" command, it's obsolete and not recommended, and I'm wondering why do you use it. Really it's not to open a file, it's to enter visual mode.

If I understood you in a wrong way, please elaborate your question with more details. Currently it's too ambiguous.

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Why does insert-mode map “” unpredictably inserts itself or executes intended key strokes

I made the <F4> key apparently work in all modes by using map <expr> expression maps as follows:

MapOptToggle <F4> relativenumber
MapOptToggle! <S-F4> number

command! -bang -nargs=+ MapOptToggle call <SID>MapOptToggle(<bang>0, <f-args>)
function! s:MapOptToggle(bang, key, opt)
  function! s:ToggleOpt(opt)
    if mode() =~# '\vno?' || !&showmode
      exec 'set ' . a:opt . '! ' . a:opt . '?'
    else
      exec 'set ' . a:opt . '!'
    endif
    redraw
    return ''
  endfunction
  let a='noremap'
  let b='<unique> <silent> <expr> ' . a:key . ' <SID>ToggleOpt(' . string(a:opt) . ')'
  exec a . ' ' . b
  exec a . '! ' .  b
  exec 'set ' . (a:bang ? 'no' : '') . a:opt
endfunction

But still my answer doesn't explain the unpredictable behavior of the imap insert-mode map.

Best Answer

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Why does insert-mode map “” unpredictably inserts itself or executes intended key strokes

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