Fix expandtab setting for newly-opened files... again

plugin/holtrop.lua

@@ -18,6 +18,12 @@ vim.opt.wildmode = {'list:longest'}
 vim.opt.splitbelow = true
 vim.opt.splitright = true
 vim.g.editorconfig = false
+-- Following are also set in the BufReadPost autocommand below
+vim.opt.expandtab = true
+vim.opt.ts = 4
+vim.opt.sw = 4
+vim.opt.sts = 4
+vim.opt.cinoptions = ":0,g0"
 
 local holtrop_bufread_group = vim.api.nvim_create_augroup("holtrop_bufread_group", { clear = true })