chores(mappings): reformat + fix a typo

- Change spelling on bufEnter and bufWinEnter that rerun commands too
  many times (even when override)

lua/autocommands.lua

@@ -2,7 +2,7 @@ local markdown = vim.api.nvim_create_augroup("markdown", { clear = true })
 local spelling = vim.api.nvim_create_augroup("spelling", { clear = true })
 
 -- Recognize .md as pandoc
-vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
+vim.api.nvim_create_autocmd({ "BufNew" }, {
   pattern = { "*.md", },
   group = markdown,
   callback = function()
@@ -25,7 +25,7 @@ vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
 })
 
 -- French markdown files
-vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
+vim.api.nvim_create_autocmd({ "BufNew" }, {
   pattern = { "*-fr.md", },
   group = markdown,
   callback = function()

lua/mappings.lua

@@ -40,8 +40,18 @@ keymap('t', '<Esc>', '<C-\\><C-n>', { noremap = true, silent = true })
 -- Markdown scratchpads
 require('which-key').add({
   { "<leader>m",   group = "[M]arkdown" },
-  { "<leader>m_", hidden = "true" }
+  { "<leader>m_",  hidden = true },
+  { "<leader>sl",  group = "[S]pell[Lang]" },
+  { "<leader>sl_", hidden = true },
 })
 
 keymap('n', '<leader>mn', ':e ~/tmp/scratch.md<CR>', { desc = '[M]arkdown [N]ew', noremap = true, silent = true })
-keymap('n', '<leader>me', ':e ~/tmp/scratch-fr.md<CR>', { desc = '[M]arkdown new Fr[e]nch', noremap = true, silent = true })
+keymap('n', '<leader>me', ':e ~/tmp/scratch-fr.md<CR>',
+  { desc = '[M]arkdown new Fr[e]nch', noremap = true, silent = true })
+
+-- Spellchecking
+keymap('n', '<leader>st', ':set spell!<CR>', { desc = "Toggle [S]pellcheck", silent = true, noremap = true })
+keymap('n', '<leader>sle', ':set spelllang=en<CR>',
+  { desc = "Set [S]pell[L]ang to [E]nglish", silent = true, noremap = true })
+keymap('n', '<leader>slf', ':set spelllang=fr<CR>',
+  { desc = "Set [S]pell[L]ang to [F]rench", silent = true, noremap = true })