neocomplete.vim test

.vimrc

if &compatible | set nocompatible | endif

set number

" whitespace
set nowrap
set autoindent
set preserveindent                    " stay indented when press enter
set expandtab                         " spaces instead of tabs
set tabstop=2
set shiftwidth=2
set shiftround                        " use multiple of shiftwidth when
set smarttab
                                      " indenting with '<' and '>'
set softtabstop=2                     " tabs look like 2 spaces
set backspace=indent,eol,start        " bs anything

" clipboard -- use os clipboard
if (exists("$DISPLAY") || has('mac')) && has('clipboard')
  set clipboard=unnamed  " Share system clipboard.
  if has('unnamedplus')
    set clipboard+=unnamedplus  " Share X windows clipboard.
  endif
endif

augroup vimrc
  autocmd!
augroup END

" BEGIN TESTING NEOCOMPLETE ----------------------------------------------------------

call plug#begin('~/.vim/plugged')
Plug 'Shougo/neocomplete.vim'
call plug#end()

" Disable AutoComplPop.
let g:acp_enableAtStartup = 0

let g:neocomplete#enable_at_startup = 1
let g:neocomplete#enable_smart_case            = 1
let g:neocomplete#enable_camel_case            = 1
let g:neocomplete#enable_fuzzy_completion      = 0

let g:neocomplete#sources#syntax#min_keyword_length = 3

if !exists('g:neocomplete#sources#omni#input_patterns')
  let g:neocomplete#sources#omni#input_patterns = {}
endif

if !exists('g:neocomplete#force_omni_input_patterns')
  let g:neocomplete#force_omni_input_patterns = {}
endif

" from the github page: <CR> cancels completion and inserts newline
inoremap <silent><CR> <C-r>=<SID>my_cr_function()<CR>
function! s:my_cr_function()
  "return pumvisible() ? "\<C-y>" : "\<CR>"
  return "\<C-y>\<CR>"
endfunction

" select completion using tab
inoremap <expr><Tab>      pumvisible() ? "\<C-n>" : "\<TAB>"
inoremap <expr><S-Tab>    pumvisible() ? "\<C-p>" : "\<S-Tab>"

" re-open completion with c-space
" @see <https://github.com/Shougo/neocomplete.vim/issues/33#issuecomment-20732569>
inoremap <expr><C-Space>        neocomplete#start_manual_complete('omni')

" completion
autocmd vimrc FileType javascript    setlocal omnifunc=javascriptcomplete#CompleteJS

README.md

Testing vimrc

• neocomplete.vim installed via junegunn/vim-plug
• Configured via neocomplete.vim README.md

1. Enter some characters, e.g. abc
2. Go to end of line (right after letter c)
3. Press o to open a new line after abc
4. Press enter to insert blank line.

Expected: Blank line appears, e.g.

abc

Observed: First character of current line appears, e.g.

abc
a