Talk:Web Science/Part1: Foundations of the web/Web content/Problem setting for web content formats

Can not understand the questions about Markups
1. I have no idea what are "target layout indicators for text passages", "functions of text passages" and "relationships between content" in the first questions. For me, "Content should be marked up using" specials escape characters, like \ in latex, or < > ...  in xml/html. So we have elements and their attributes, entities (& amp;) and text inside tags.

2. A markup language for the Web must... Why this is not true? It helps to do that since in 1 html document we can have text, video, images, etc. --
 * represent all kinds of media in one format

What do you mean by that: --
 * structure content as to be able to delegate display and interaction to software modules

Why it is not correct? We have fixed amount of html tags. --
 * be fixed once such that all browsers always understand how to interpret it

Only xml tags are not fixed, but html are not extensible (but you marked it as true): --oleamm (discuss • contribs) 21:26, 14 February 2014 (UTC)
 * be extensible by Web developers