Table of Contents
How do I use brackets in XPath?
In XPath, the square-bracket notation ( [] ) normally associated with indexing is extended to specify selection criteria. So the expression LIST[@type=”unordered”] selects all LIST elements whose type value is unordered . Similar expressions exist for elements.
What are the special characters not allowed in XML?
The only illegal characters are & , < and > (as well as ” or ‘ in attributes, depending on which character is used to delimit the attribute value: attr=”must use ” here, ‘ is allowed” and attr=’must use ‘ here, ” is allowed’ ). They’re escaped using XML entities, in this case you want & for & .
Can XML tags have special characters?
The special characters can be referenced in XML using one of 3 formats: &name where name is the character name (if available) such as quot, amp, apos, lt, or gt. &#nn; where nn is the decimal character code reference. &#xhh; where xhh is the hexadecimal character code reference.</p>
<h2>What are tags in XML?</h2>
<p>XML tags form the foundation of XML. They <b>define the scope of an element in XML</b>. They can also be used to insert comments, declare settings required for parsing the environment, and to insert special instructions.</p>
<h2>Why CDATA is used in XML?</h2>
<p>A CDATA section is used <b>to mark a section of an XML document, so that the XML parser interprets it only as character data, and not as markup</b>. It comes handy when one XML data need to be embedded within another XML document.</p>
<h2>What is the syntax of XML?</h2>
<p>All XML documents must have a root element <b>All XML documents must contain a single tag pair to define a root element</b>. All other elements must be within this root element. All elements can have sub elements (child elements). Sub elements must be correctly nested within their parent element.</p>