Neovim 中的语法高亮问题

Question

我这两天一直在想为什么我的语法高亮在 Neovim 中不起作用。

我在我的 sysinit.vim 和 "filetype plugin indent on" 中包含了 "syntax on"，当我运行 nvim 时我没有得到任何错误。

当我执行 "echo $VIMRUNTIME" 时，我得到了正确的目录（我想。我使用 homebrew 安装。路径是 usr/local/Cellar/neovim/0.1.7/share/nvim/runtime）。我已验证语法文件夹确实存在于该文件夹中。

然而，当我在 neovim 中时，除了尾随白色的红色块外，我没有得到任何突出显示 space。如果我运行 ":syntax" 它识别正确的语法（用 python 测试）。我发现的另一个奇怪现象是当我从编辑器中运行 ":syntax on" 时，颜色变暗了。如果我把它关掉，什么都不会改变。由于在 init.vim 文件中启用了语法，我不知道为什么这会改变编辑器的外观。

我正在用头撞墙。请帮忙！我的 init.vim 在下面。这是一项正在进行的工作！

" Disables Vi compatibility. Vi compatibility mode disables some modern Vim Features.
set nocompatible

" Enables filetype detection, filetype-specific scripts (ftplugins),
" and filetype-specific indent scripts.
filetype plugin indent on

syntax on                    " Turns on syntax highlighting
set ruler                    " Show row and column ruler information
set number                   " Show line numbers
set spelllang=en             " Enable spell-checking
set softtabstop=4            " Number of spaces per tab
set title                    " Set the terminal title to the current file
set visualbell               " Turn on the visual bell
set cursorline               " Highlight the line under the cursor
set hidden                   " Hide inactive buffers
set ttimeoutlen=0            " Eliminate delay when switching modes
set expandtab                " Converts tabs into spaces

" Lazyredraw attempts to solve Vim lag by reducing processing required. When
" enabled, any action that is not typed will not cause the screen to redraw.
set lazyredraw

" Faster redrawing
set ttyfast

" Don't display the current mode in the status line.
" This info is already displayed in the Airline status bar.
set noshowmode

inoremap jj <esc>            " Remaps the esc key to 'jj'
inoremap jk <esc>            " Remaps the esc key to 'jk'

" Disabling all of the cursor keys
nnoremap <up> <nop>
nnoremap <down> <nop>
nnoremap <left> <nop>
nnoremap <right> <nop>
inoremap <up> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>

" Changes the cursor shape. (Flashing pipe in insert mode, block in normal node.)
let $NVIM_TUI_ENABLE_CURSOR_SHAPE=1

" Colors and Theme Options
set termguicolors                     " Enables "True Color" support
silent! colorscheme gruvbox           " Sets the color scheme, if present
set background=dark                   " Sets the default background to dark mode
let g:gruvbox_contrast_dark="hard"    " Changes dark mode contrasts. Possible values are soft, medium, and hard. Default is medium
let g:gruvbox_contrast_light="hard"   " Changes light mode contrasts. Possible values are soft, medium, and hard. Default is medium
let g:gruvbox_italicize_comments=1    " Enables italics for comments
let g:gruvbox_italicize_strings=1     " Enables italics for strings

Answer 1

这个问题的解决方案愚蠢得可笑。显然，当对比度滑块在 iTerm2 中一直调高时。它会导致主题出现问题。现在一切正常。希望这个 post 会在将来为某些人省去很多麻烦。

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