Are square brackets allowed in XML?
Note: The square brackets ( [ ] ) in the Edit Element dialog box represent XML opening and closing tags. To type a square bracket in the text of your design, use the following codes: &left for “[“ or &right for “]”. Select the XML element for which you want to edit the text content in the XML Tree.
What does a square bracket indicate?
square bracket in American English Brackets (also called parentheses) are used to enclose a word or words which can be left out and still leave a meaningful sentence.
Do square brackets mean concentration?
Square brackets are often used to represent concentration, e.g., [NaOH] = 0.50 M. Use the capital letter M for molarity, not a lower case m (this is a different concentration unit called molality).
What is a CDATA tag?
A CDATA section contains text that will NOT be parsed by a parser. Tags inside a CDATA section will NOT be treated as markup and entities will not be expanded. The primary purpose is for including material such as XML fragments, without needing to escape all the delimiters.
Does brackets mean molarity?
The symbol for molarity is M or moles/liter. Chemists also use square brackets to indicate a reference to the molarity of a substance. For example, the expression [Ag+] refers to the molarity of the silver ion in solution.
What does CDATA mean in JavaScript?
What are some invalid XML characters?
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 & .
What is a CDATA section in XML?
[In] an XML document or external parsed entity, a CDATA section is a section of element content that is marked for the parser to interpret as only character data, not markup.
Why can’t I use markup within a CDATA section?
Within a CDATA section, only the CDEnd string is recognized as markup, so that left angle brackets and ampersands may occur in their literal form; they need not (and cannot) be escaped using ” < ” and ” & “. CDATA sections cannot nest. In other words, it’s not possible to use entity reference, markup or any other form of interpreted syntax.
What is the difference between CDATA and comments?
CDATA stands for Character Data and it means that the data in between these strings includes data that could be interpreted as XML markup, but should not be. The key differences between CDATA and comments are: As Richard points out, CDATA is still part of the document, while a comment is not.
Can contain a string in CDATA?
In the above syntax, everything between and is treated as character data and not as markup. CDATA cannot contain the string “]]>” anywhere in the XML document.