Whitespace in XML Component Names
Summary:
Whitespace characters are not permitted in XML element or attribute names
.
How do you put a space in an XML tag?
2 Answers. You can’t. The W3C XML specification strictly defines the syntax of names. A name can only start with a letter character (this includes underscore), then the next characters can be letter characters or numbers or the hyphen, but
the space is a delimiter and is not allowed as part of
any name.
Element names cannot start with the letters xml (or XML, or Xml, etc) Element names can contain letters, digits, hyphens, underscores, and periods.
Element names cannot contain spaces
.
What is space in XML?
The xml:space attribute is
an XML-defined attribute that declares the significant white-space processing behavior within an object element
. This behavior is relevant for all content (inner text) contained within the element where xml:space is declared, and also scopes to child elements.
- All XML must have a root element.
- All tags must be closed.
- All tags must be properly nested.
- Tag names have strict limits.
- Tag names are case sensitive.
- Tag names cannot contain spaces.
- Attribute values must appear within quotes (“”).
- White space is preserved.
What is XML whitespace?
The WhiteSpace and DocTypeWhiteSpace XML elements
represent white space characters in the message
. The WhiteSpace element represents any white space characters outside the message body and DTD that are not represented by any other element.
Does all XML documents must have a DTD?
XML does not require a DTD
. When you are experimenting with XML, or when you are working with small XML files, creating DTDs may be a waste of time.
Is whitespace important in XML?
What is XML Whitespace? …
Significant whitespace is part of the document content and should be preserved
. Insignificant whitespace is used when editing XML documents for readability. These whitespaces are typically not intended for inclusion in the delivery of the document.
What is the correct syntax of XML?
All
XML elements must have a closing tag
. XML tags are case sensitive. All XML elements must be properly nested. All XML documents must have a root element.
What is XML designed for?
Xml (eXtensible Markup Language) is a mark up language. XML is designed to
store and transport data
. Xml was released in late 90’s. it was created to provide an easy to use and store self describing data.
What is XML tag?
XML tags are the important features of XML document. It is similar to HTML but XML is more flexible then HTML. It allows to create new tags (user defined tags). … The XML tags are case sensitive i.e. <root> and <Root> both tags are different. The XML tags are
used to define the scope of elements in XML document
.
Is blank space a character?
In computer programming,
whitespace
is any character or series of characters that represent horizontal or vertical space in typography. … For example, the common whitespace symbol U+0020 SPACE (also ASCII 32) represents a blank space punctuation character in text, used as a word divider in Western scripts.
Which is not a XML function?
Which of the following is not a function of XML ?
Transport Information
. Question 4 Explanation: XML was created to structure, store, and transport information.
- Start Tag. The beginning of every non-empty XML element is marked by a start-tag. …
- End Tag. Every element that has a start tag should end with an end-tag. …
- Empty Tag. The text that appears between start-tag and end-tag is called content. …
- XML Tags Rules.
The XML declaration is essentially the same as the HTML header,
<html>
, except that it uses <?..?> and it may contain the following attributes: version : Identifies the version of the XML markup language used in the data. This attribute is not optional. encoding : Identifies the character set used to encode the data.
“Empty XML Elements An element with no content is said to be empty. In XML, you can indicate an empty element like this:
<element></element>
or you can use an empty tag, like this (this sort of element syntax is called self-closing): <element /> The two forms above produce identical results in an XML parser.”