diff options
Diffstat (limited to 'xml.html.markdown')
| -rw-r--r-- | xml.html.markdown | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/xml.html.markdown b/xml.html.markdown index fce1a3a4..4d33e614 100644 --- a/xml.html.markdown +++ b/xml.html.markdown @@ -38,23 +38,25 @@ Unlike HTML, XML does not specify how to display or to format data, just carry i <!-- Above is a typical XML file. It starts with a declaration, informing some metadata (optional). - + XML uses a tree structure. Above, the root node is 'bookstore', which has - three child nodes, all 'books'. Those nodes has more child nodes, and so on... - - Nodes are created using open/close tags, and childs are just nodes between + three child nodes, all 'books'. Those nodes have more child nodes (or + children), and so on... + + Nodes are created using open/close tags, and children are just nodes between the open and close tags.--> -<!-- XML carries two kind of data: +<!-- XML carries two kinds of data: 1 - Attributes -> That's metadata about a node. Usually, the XML parser uses this information to store the data properly. - It is characterized by appearing in parenthesis within the opening tag + It is characterized by appearing with the format name="value" within the opening + tag. 2 - Elements -> That's pure data. That's what the parser will retrieve from the XML file. - Elements appear between the open and close tags, without parenthesis. --> - - + Elements appear between the open and close tags. --> + + <!-- Below, an element with two attributes --> <file type="gif" id="4293">computer.gif</file> @@ -67,14 +69,14 @@ A XML document is well-formated if it is syntactically correct. However, it is possible to inject more constraints in the document, using document definitions, such as DTD and XML Schema. -A XML document which follows a document definition is called valid, -regarding that document. +A XML document which follows a document definition is called valid, +regarding that document. With this tool, you can check the XML data outside the application logic. ```xml -<!-- Below, you can see an simplified version of bookstore document, +<!-- Below, you can see an simplified version of bookstore document, with the addition of DTD definition.--> <?xml version="1.0" encoding="UTF-8"?> |