Finish port of main config

init.lua

@@ -1,5 +1,9 @@
 local vimrc_git = os.getenv("HOME") .. "/src/vimrc" 
 
+-- it is a big fat key, after all
+-- N.B. should come before plugins and plugin specific settings
+vim.g.mapleader = ' '
+
 vim.cmd("source " .. vimrc_git .. "/plug.vim")
 vim.cmd("source " .. vimrc_git .. "/airline.vim")
 vim.cmd("source " .. vimrc_git .. "/syntastic.vim")
@@ -84,7 +88,7 @@ vim.opt.undodir = os.getenv("HOME") .. "/.nvim/undodir"
 vim.opt.pastetoggle = "<F2>"
 
 -- save when moving away
---au FocusLost * :wa
+vim.api.nvim_create_autocmd("FocusLost", {pattern = "*", command = "wa"})
 
 -- make sure to set TERM to xterm-256color in terminal program or app
 vim.cmd("colorscheme breezy")
@@ -93,7 +97,7 @@ vim.opt.termguicolors = true
 
 -- ensure autoread works, to detect file changes outside the editor
 vim.opt.autoread = true
--- au CursorHold * checktime
+vim.api.nvim_create_autocmd("CursorHold", {pattern = "*", command = "checktime"})
 
 -- for gui, make it easier to tell different instances apart
 vim.opt.title = true
@@ -101,28 +105,20 @@ vim.opt.title = true
 -- keep nvim from resetting font back to default from terminal config
 vim.opt.guicursor = nil
 
-local guiopts = vim.opt.guioptions
+local guiopts = vim.g.guioptions
+if guiopts == nil then
+        guiopts = ""
+end
 guiopts = guiopts:gsub("r", "")
 guiopts = guiopts:gsub("b", "")
 guiopts = guiopts:gsub("T", "")
 guiopts = guiopts:gsub("m", "")
 
-vim.opt.guioptions = guiopts
+vim.g.guioptions = guiopts
 
 vim.opt.mouse = "nv"
 
 vim.opt.gfn = "FiraCode Nerd Font Mono:h12"
--- from https://stackoverflow.com/a/51424640
--- let s:fontsize = 14
--- function! AdjustFontSize(amount)
---   let s:fontsize = s:fontsize+a:amount
---   :execute --set gfn=FiraCode\\ Nerd\\ Font\\ Mono:h" . s:fontsize
--- endfunction
--- 
--- noremap <C-Up> :call AdjustFontSize(1)<CR>
--- noremap <C-Down> :call AdjustFontSize(-1)<CR>
--- inoremap <C-Up> <Esc>:call AdjustFontSize(1)<CR>a
--- inoremap <C-Down> <Esc>:call AdjustFontSize(-1)<CR>a
 
 require('nvim-projectconfig').setup({autocmd=true})
 require("trouble").setup {

plug.vim

@@ -3,6 +3,8 @@ call plug#begin("~/.config/nvim/plugged")
 " adds to my existing set up. I try to capture the value, at least to me, each
 " plugin adds. I've tried to logically group them, as well, to spot overlap
 " and redundancy.
+"
+Plug 'tenxsoydev/size-matters.nvim'
 
 
 " informational