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^ Omitted XML elements are commonly decoded by XML data binding tools as NULLs. Shown here is another possible encoding; XML schema does not define an encoding for this datatype. ^ The RFC CSV specification only deals with delimiters, newlines, and quote characters; it does not directly deal with serializing programming data structures.
YAML (/ ˈ j æ m əl /, rhymes with camel [4]) was first proposed by Clark Evans in 2001, [15] who designed it together with Ingy döt Net [16] and Oren Ben-Kiki. [16]Originally YAML was said to mean Yet Another Markup Language, [17] because it was released in an era that saw a proliferation of markup languages for presentation and connectivity (HTML, XML, SGML, etc).
JSON has objects with a simple "key" to "value" mapping, whereas in XML addressing happens on "nodes", which all receive a unique ID via the XML processor. Additionally, the XML standard defines a common attribute xml:id , that can be used by the user, to set an ID explicitly.
The structure and the data remain consistent and coherent throughout the journey, and no custom formats or parsing is required. This is not unique to XML. YAML, for example, is emerging as a powerful data-binding alternative to XML. JSON (which can be regarded as a subset of YAML) is often suitable for lightweight or restricted applications.
Extensible Markup Language (XML) ... JSON, YAML, and S-Expressions are frequently proposed as simpler alternatives (see Comparison of data-serialization formats) ...
Encodings in use include XML, YAML, JSON, as well as binary forms like BSON. Documents in a document store are roughly equivalent to the programming concept of an object. They are not required to adhere to a standard schema, nor will they have all the same sections, slots, parts or keys.
JSON is a subset of YAML 1.2. Every valid JSON document is also a valid YAML 1.2 document. That said: It is a proper superset. Not all YAML documents can be represented as JSON. Even if a YAML document could be represented as JSON, YAML implementations are not required to emit JSON. Some implementations may support this via configuration.
JSON is a lightweight plain-text alternative to XML, and is also commonly used for client-server communication in web applications. JSON is based on JavaScript syntax, but is independent of JavaScript and supported in many other programming languages. JSON is an open format, standardized as STD 90 (RFC 8259), ECMA-404, and ISO/IEC 21778:2017.