currently all my php generated rich html webpages start with this line, which I have been adding to my tempaltes YEARS ago... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ...
What is the difference between "quirks" mode and "standards compliance" mode, when building HTML web pages? How to tell when operating in one mode, vs. the other? Why should people – i.e. ...