May 22, 2019 · HTML5 also does talk about "boolean attributes".But it says "If the attribute is present, its value must either be the empty string or a value that is an ASCII case-insensitive …

XHTML is often used as the basis for server-side markup languages, so that the can be manipulated by XML-based tools. The final output of these tool chain might be generated …

Mar 13, 2017 · XHTML 2, currently in the drafting stages, is not backwards-compatible with XHTML 1.x. XHTML 2 will have lots of major changes to the way documents are written and …

Oct 13, 2009 · XHTML forces you to write cleaner code which is easier to maintain, renders more consistently, and easier to hook into the DOM. Comparing XHTML to HTML is like comparing …

Sep 15, 2009 · @GiH Depends on whether you mean the spec or what's actually used. I remember reading that a tiny fraction of sites with an XHTML doctype were actually serving …

In all forms of XHTML it is <br/>. This is case-sensitive, and again whitespace between the r and the /> is ignored. <br></br> is also allowed, but unusual (there are backwards-compatibility …

Oct 9, 2012 · @Giovanni - The numbering was a matter of some dispute back in 2007, and some people wanted XHTML5 called XHTML 1.5 instead, since they saw it as more evolutionary …

Aug 21, 2016 · I have some HTML code on a page that I don't want to erase, but make inactive for the short term. How can I make the browser ignore parts of the page in the same way the // …

Apr 29, 2011 · that's a brave attempt at an explanation, but a bit muddled. When discussing the height:100% matter, it would be better to leave XHTML out, since it's only the DOCTYPE …

Sep 18, 2014 · There was a point where buggy/lazy implementations of HTML/XHTML renderers were more common than those that got it right. Many years ago, I regularly encountered …