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author | Luis Custodio <luis.custodio@gmail.com> | 2015-10-17 13:11:25 +0200 |
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committer | Luis Custodio <luis.custodio@gmail.com> | 2015-10-17 13:11:25 +0200 |
commit | f5873b08901bfaec3fb46518258ff9e886fd04c4 (patch) | |
tree | 62886b71c7226f0c6c4f979d61ff96c839a641a9 /xml.html.markdown | |
parent | c9348e5a82b639093f8f3eee955ffdf6fb99b5d8 (diff) | |
parent | 0e6d9f6fe9aeffc64c3adad3e4a0ee1cc0d1dd88 (diff) |
Merge branch 'master' of github.com:adambard/learnxinyminutes-docs
Diffstat (limited to 'xml.html.markdown')
-rw-r--r-- | xml.html.markdown | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/xml.html.markdown b/xml.html.markdown index 059ea132..efc2340f 100644 --- a/xml.html.markdown +++ b/xml.html.markdown @@ -7,7 +7,7 @@ contributors: XML is a markup language designed to store and transport data. -Unlike HTML, XML does not specify how to display or to format data, just carry it. +Unlike HTML, XML does not specify how to display or to format data, it just carries it. * XML Syntax @@ -38,15 +38,16 @@ 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 with the format name="value" within the opening @@ -54,8 +55,8 @@ Unlike HTML, XML does not specify how to display or to format data, just carry i 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. --> - - + + <!-- Below, an element with two attributes --> <file type="gif" id="4293">computer.gif</file> @@ -68,21 +69,21 @@ 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"?> <!DOCTYPE note SYSTEM "Bookstore.dtd"> <bookstore> <book category="COOKING"> - <title >Everyday Italian</title> + <title>Everyday Italian</title> <price>30.00</price> </book> </bookstore> @@ -120,7 +121,7 @@ With this tool, you can check the XML data outside the application logic. <bookstore> <book category="COOKING"> - <title >Everyday Italian</title> + <title>Everyday Italian</title> <price>30.00</price> </book> </bookstore> |