The annotated contents of this file are available in this separate section for completeness. I dont always have access to tools that validate the HTML. selector syntax even if the user agent does not read the DTD. Also, some user agents interpret the XML declaration to mean that the document is unrecognized XML rather than HTML, and With the exception of marking CDATA content, as well as dealing with SGML exclusions, you probably follow all of these rules. This specification is a Superseded Recommendation. If the value of the element is So XHTML comes with a much stricter error handling. The value of min and step define what are valid values, even if the step attribute is not included, as step defaults to 0. identifiers on the elements listed above. For example, in the following markup code, we define a check box that is Rediscover HTML, and help shape a new, modern way of writing HTML which acknowledges, but isnt necessarily based on XML. Frankly, who cares? HTML, back then, was loaded with elements for layout, packed with presentational code, largely invalid (as its still today), with wildly varying user agent support. Additionally, an attribute value may or may not be required as dictated by other configuration such as the. For further information on using media types changed. the character encoding of the document is other than the default UTF-8 or UTF-16 and no encoding was determined by a higher-level protocol. REALLY ! I will stick to the XHTML way, thank you. Controversial stuff! defined to be http://www.w3.org/1999/xhtml. Were all geeks in different ways and lets celebrate that! The following example shows this difference , You must nest all the XHTML tags properly. HTML 4 defined the name attribute for the elements a, applet, form, frame, iframe, img, and Lets have a look. Attribute values must be quoted C. Attribute minimization is mandatory D. None of the mentioned Answer: Option B Solution (By Examveda Team) Syntax for attributes in HTML. For compatibility with these types of legacy browsers, you may want to avoid using processing instructions and XML declarations. a document, and is required in XHTML documents. Element and attribute names may not be in lowercase. Being a fan of pipelines and machine-readability, I vastly prefer the consistency and compatibility of XHTML. For me this sort of attribute declaration feels less readable probably because Im being asked to parse it as Disabled is Disabled which just makes my eye twitch. Leaving out quotes for attributes, especially for URLs, is a horrible idea. This prohibition applies to all depths of nesting. Map sequences of one or more white space characters (including line breaks) to a single inter-word space. Some input types have a default minimum. Providing instructions within the may be sufficient. Used to do that a lot back in 2012 because of compatibility issues. A list of current W3C Recommendations and other technical documents I want to write HTML the HTML way but my IDE keeps shouting at me. A paragraph and a list, for example, are written like this in XHTML: In HTML, however, you can write them using only this code (which is valid): Developers also learned to write void elements, like so: This is something XHTML brought to HTML, but as the slash has no effect on void elements, you only need this: In HTML, you can also just write everything in all caps: It looks like youre yelling and you may not like it, but its okay to write it like this. Attribute names such as compact and I dont think I will ever be comfortable not using closing tags in my lists! XHTML documents as media type text/html. Simplicity is rarely as simple as minimalists like to make it sound. Having started my journey during the dark times of and as the method of laying out a website I appreciate the nostalgia of writing HTML like HTML. production 5. referred to in a CSS selector. The user agent must use the definition from CSS for processing whitespace characters [CSS2]. The DOCTYPE HTML: In HTML, the DOCTYPE is mandatory even though it has no value.

and not

). Ok, well the tag has got to terminate before it right? In order to be Element and attribute names must be in lower case. Use external style sheets if your style sheet uses < or & or ]]> or --. Sorry, I cannot agree to most of this. Example of attribute minimization : input type = checkbox checked XHTML is in many ways similar to HTML , but it is stricter than HTML . It also brings some sanity to those who come from backend languages or even Javascript, as the syntax in those languages require beginning and ending tokens. The following elements have prohibitions on which elements they can contain (see SGML Exclusions). Here is an XHTML document with a minimum of required tags: In XHTML, elements must always be properly nested within each other, like this: In XHTML, elements must always be closed, like this: In XHTML, empty elements must always be closed, like this: In XHTML, element names must always be in lowercase, like this: In XHTML, attribute names must always be in lowercase, like this: In XHTML, attribute values must always be quoted, like this: In XHTML, attribute minimization is forbidden: Get certifiedby completinga course today! maximum forward and backward compatibility (e.g., ). One way of walking us back is to negate the rules imposed by XHTML. HTML Objective type Questions and Answers. Some like naps. DOCTYPE in the next chapter. found on the Working Group's patent disclosure page. In XML, fragment identifiers are of type ID, and there can only be a single attribute of type ID per element. Note this problem doesn't affect user agents XHTML syntax is very similar to HTML syntax and almost all the valid HTML elements are valid in XHTML as well. Yes it works, but I think its just barbaric ;-). Still, I wouldnt suggest adopting all of these suggestions. And I agree, XHTML was a bit of too much constraints but it did a lot of good to HTML according to me.