Fix: tabline

lua/custom_tabline.lua

@@ -23,10 +23,13 @@ function M.tabline()
 		local label = i .. ': ' .. vim.fn.fnamemodify(bufname, ':t') .. modified
 
 		-- truncate/pad to fixed tab_width
-		if #label > tab_width - 2 then
-			label = label:sub(1, tab_width - 3) .. '…'
+		if vim.fn.strwidth(label) > tab_width - 2 then
+			while vim.fn.strwidth(label) > tab_width - 3 and #label > 0 do
+				label = label:sub(1, -2)
+			end
+			label = label .. '…'
 		end
-		label = label .. string.rep(' ', tab_width - #label)
+		label = label .. string.rep(' ', tab_width - vim.fn.strwidth(label))
 
 		tabs[i] = (i == current_tab and '%#TabLineSel#' or '%#TabLine#') .. label
 	end

lua/keymaps.lua

@@ -242,14 +242,12 @@ local function smart_save(force_save_as)
 					return
 				end
 			end
-			-- Preserve cursor position and undo history
+			-- Preserve cursor position
 			local old_buf = vim.api.nvim_get_current_buf()
 			local cursor_pos = vim.api.nvim_win_get_cursor(0)
-			local undo_history = vim.fn.getbufinfo(old_buf)[1].changedtick
 			vim.cmd('edit ' .. vim.fn.fnameescape(filename))
 			vim.cmd 'filetype detect'
 			vim.api.nvim_win_set_cursor(0, cursor_pos)
-			vim.cmd 'undojoin'
 			vim.api.nvim_buf_delete(old_buf, { force = true })
 		end
 		print('Saved as ' .. filename)