> Use tabs for indentation and spaces for alignment The pains is, most website or editor never handled that well enough. You end up have mixed tab/space at une

> Use tabs for indentation and spaces for alignment The pains is, most website or editor never handled that well enough. You end up have mixed tab/space at unexpected position and never knew about it. Just banning the tab is probably not the most 'correct' option to fix it. But it is the most feasible one to get the job done. Because fixing all the tool, editors and websites is nearly impossible for an average man.