nvim: added (but disabled) symbol highlighting

.config/nvim/plugin/nvim-cmp.lua

@@ -111,6 +111,35 @@ cmp.setup {
 require("luasnip.loaders.from_snipmate").lazy_load()
 
 
+-- local on_attach = function(client, bufnr)
+--     if client.server_capabilities.documentHighlightProvider then
+--         vim.cmd [[
+--             hi! LspReferenceRead cterm=bold ctermbg=red guibg=LightYellow
+--             hi! LspReferenceText cterm=bold ctermbg=red guibg=LightYellow
+--             hi! LspReferenceWrite cterm=bold ctermbg=red guibg=LightYellow
+--         ]]
+--         vim.api.nvim_create_augroup('lsp_document_highlight', {
+--             clear = false
+--         })
+--         vim.api.nvim_clear_autocmds({
+--             buffer = bufnr,
+--             group = 'lsp_document_highlight',
+--         })
+--         vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
+--             group = 'lsp_document_highlight',
+--             buffer = bufnr,
+--             callback = vim.lsp.buf.document_highlight,
+--         })
+--         vim.api.nvim_create_autocmd('CursorMoved', {
+--             group = 'lsp_document_highlight',
+--             buffer = bufnr,
+--             callback = vim.lsp.buf.clear_references,
+--         })
+--     end
+-- end
+--
+-- vim.g.cursorhold_updatetime = 100
+
 -- neovim/nvim-lspconfig
 local nvim_lsp = require('lspconfig')