fixed all problems that occured during the upgrade to nvim 0.5+

neovim/.config/nvim/coc-settings.json

@@ -1,8 +1,10 @@
 {
-    "git.removedSign.text": "✗",
     "git.addedSign.hlGroup": "GitGutterAdd",
     "git.changedSign.hlGroup": "GitGutterChange",
     "git.removedSign.hlGroup": "GitGutterDelete",
     "git.topRemovedSign.hlGroup": "GitGutterDelete",
-    "git.changeRemovedSign.hlGroup": "GitGutterChangeDelete"
+    "git.changeRemovedSign.hlGroup": "GitGutterChangeDelete",
+    "snippets.extends":{
+        "latex":["tex","texmath"]
+    }
 }

neovim/.config/nvim/coc.vim

@@ -15,15 +15,6 @@ set updatetime=300
 " Don't pass messages to |ins-completion-menu|.
 set shortmess+=c
 
-" Always show the signcolumn, otherwise it would shift the text each time
-" diagnostics appear/become resolved.
-if has("nvim-0.5.0") || has("patch-8.1.1564")
-  " Recently vim can merge signcolumn and number column into one
-  set signcolumn=number
-else
-  set signcolumn=yes
-endif
-
 " Use tab for trigger completion with characters ahead and navigate.
 " NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
 " other plugin before putting this into your config.

neovim/.config/nvim/init.vim

@@ -2,15 +2,14 @@ let $MYPLUGDIRECTORY = "~/.config/nvim/plugged/"
 let $MYNVIMINIT = "~/.config/nvim/init.vim"
 let $MYCOCVIM = "~/.config/nvim/coc.vim"
 
-"--------------------
+" Plugins {{{ "
-"plugins
+" automatic vim-plug install {{{ "
-"--------------------
-" autoinstall vim-plug if it is not installed
 if empty(glob('~/.local/share/nvim/site/autoload/plug.vim'))
     silent !curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs
                 \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
     autocmd VimEnter * PlugInstall | source $MYNVIMINIT
 endif
+" }}} automatic vim-plug install "
 
 call plug#begin($MYPLUGDIRECTORY)
 " automatically install all plugins that are not already installed
@@ -38,10 +37,9 @@ Plug 'Yggdroot/indentLine'                      " ident guides
 Plug 'iamcco/markdown-preview.nvim', { 'do': { -> mkdp#util#install() }, 'for': ['markdown', 'vim-plug']}
 Plug 'elkowar/yuck.vim', {'for': 'yuck'}        " for yuck (eww) configuration
 call plug#end()
+" }}} Plugins "
 
-"--------------------
+" General Settings {{{ "
-" general settings
-"--------------------
 let mapleader=" "           " set mapleader to space
 let maplocalleader=" "      " set localleader to space
 set timeoutlen=1000         " set timeout length
@@ -60,19 +58,29 @@ set wildmode=longest,list   " get bash-like tab completions
 filetype plugin indent on   " allows auto-indenting depending on file type
 syntax on                   " syntax highlighting
 set cc=80                   " set an 80 column border for good coding style
+" folding
+set foldmethod=marker       
+set foldtext=gitgutter#fold#foldtext()
 "toggle cc when reasonable
 augroup cctoggle
     autocmd!
     autocmd BufEnter,FocusGained    * set cc=80
     autocmd BufLeave,FocusLost      * set cc=0
 augroup END
+"toggle relativenumber when reasonable
+set number relativenumber
+augroup numbertoggle
+    autocmd!
+    autocmd BufEnter,FocusGained,InsertLeave    * set relativenumber
+    autocmd BufLeave,FocusLost,InsertEnter      * set norelativenumber
+augroup END
+" sign column
+set signcolumn=yes
+" }}} General Settings "
 
-"--------------------
+" Mappings {{{ "
-"mappings
-"--------------------
 "disable colorizer mappings
 let g:colorizer_nomap = 1
-
 " enable copy and past to and fro clipboard
 vnoremap  <leader>y  "+y
 nnoremap  <leader>Y  "+yg_
@@ -106,43 +114,28 @@ nnoremap <leader>nt :NERDTreeToggle<CR>
 nnoremap <leader>f :NERDTreeFind<CR>
 "symbol renaming
 nnoremap <leader>rn <Plug>(coc-reame)
+" }}} Mappings "
 
-"--------------------
+" CoC (Conquer of Completion) {{{ "
-" coc (Conquer of Completion)
-"--------------------
 " coc plugins (will automatically install)
-let g:coc_global_extensions = ['coc-snippets', 'coc-git', 'coc-vimtex', 'coc-python', 'coc-vimlsp', 'coc-json']
+let g:coc_global_extensions = [
+            \'coc-texlab',  
+            \'coc-snippets',
+            \'coc-git',     
+            \'coc-vimtex',  
+            \'coc-python',  
+            \'coc-vimlsp',  
+            \'coc-json']    
 source $MYCOCVIM
-"" use <tab> for trigger completion and navigate to the next complete item
+" }}} CoC (Conquer of Completion) "
-"function! s:check_back_space() abort
-  "let col = col('.')- 1
-  "return !col || getline('.')[col - 1]  =~ '\s'
-"endfunction
 
-"" Make <tab> used for trigger completion, completion confirm, snippet expand and jump like VSCode.
+" Airline {{{ "
-"inoremap <silent><expr> <TAB>
-      "\ pumvisible() ? coc#_select_confirm() :
-      "\ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
-      "\ <SID>check_back_space() ? "\<TAB>" :
-      "\ coc#refresh()
-
-"function! s:check_back_space() abort
-  "let col = col('.') - 1
-  "return !col || getline('.')[col - 1]  =~# '\s'
-"endfunction
-
-"let g:coc_snippet_next = '<tab>'
-
-"--------------------
-" airline
-"--------------------
 set laststatus=2                                            " start in 'normal' mode
 let g:airline#extensions#tabline#enabled = 1                " enable tabline for buffers
 let g:airline#extensions#tabline#formatter = 'unique_tail'  " set tabline item style
+" }}} Airline "
 
-"--------------------
+" NERDTree {{{ "
-"NERDTree
-"--------------------
 set modifiable
 let NERDTreeShowHidden=1                " show hidden files in NERDTree
 let NERDTreeAutoDeleteBuffer=1          " automatically delete the buffer of the file deleted with NERDTree
@@ -158,11 +151,9 @@ autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTr
 " If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
 autocmd BufEnter * if bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
     \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
+" }}} NERDTree "
 
-
+" Color Scheme {{{ "
-"--------------------
-"colors
-"--------------------
 " set colorscheme
 let g:gruvbox_contrast_dark='hard'
 colorscheme gruvbox
@@ -175,18 +166,10 @@ highlight GitGutterChange ctermfg=208
 highlight GitGutterDelete ctermfg=124
 highlight LineNr ctermfg=7
 highlight CursorLineNr ctermfg=7
+" }}} Color Scheme "
 
-"toggle relativenumber when reasonable
-set number relativenumber
-augroup numbertoggle
-    autocmd!
-    autocmd BufEnter,FocusGained,InsertLeave    * set relativenumber
-    autocmd BufLeave,FocusLost,InsertEnter      * set norelativenumber
-augroup END
 
-"--------------------
+" VimTeX {{{ "
-"vimtex
-"--------------------
 let g:vimtex_compiler_progname = 'nvr'  " neovim-remote for vimtex
 let g:vimtex_view_method = 'zathura'    " set zathura as basic pdf viewer
 "open TOC
@@ -202,4 +185,4 @@ let g:vimtex_compiler_latexmk = {
     \   '-interaction=nonstopmode',
     \ ],
     \}
-
+" }}} VimTeX "