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dido:public:ra:xapend:xapend.b_stds:tech:ietf:5234 [2021/07/01 14:15] murphy |
dido:public:ra:xapend:xapend.b_stds:tech:ietf:5234 [2021/08/17 15:18] (current) murphy [Introduction] |
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| ===== RFC5234 - Augmented BNF for Syntax Specifications: ABNF ===== | ===== RFC5234 - Augmented BNF for Syntax Specifications: ABNF ===== | ||
| - | [[dido:public:ra:xapend:xapend.b_stds:tech:ietf| return to the IETF Standards ]] | + | [[dido:public:ra:xapend:xapend.b_stds:tech:ietf:start| return to the IETF Standards ]] |
| <table> | <table> | ||
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| ==== Introduction ==== | ==== Introduction ==== | ||
| //Internet technical specifications often need to define a formal | //Internet technical specifications often need to define a formal | ||
| - | syntax and are free to employ whatever notation their authors deem | + | [[dido:public:ra:xapend:xapend.a_glossary:s:syntax|syntax]] and are free to employ whatever notation their authors deem |
| - | useful. Over the years, a modified version of Backus-Naur Form | + | useful. Over the years, a modified version of [[dido:public:ra:xapend:xapend.a_glossary:b:bnf]], called Augmented BNF (ABNF), has been popular among many |
| - | (BNF), called Augmented BNF (ABNF), has been popular among many | + | [[dido:public:ra:xapend:xapend.a_glossary:i:internet|Internet]] specifications. It balances compactness and simplicity with |
| - | Internet specifications. It balances compactness and simplicity with | + | |
| reasonable representational power. In the early days of the Arpanet, | reasonable representational power. In the early days of the Arpanet, | ||
| each specification contained its own definition of ABNF. This | each specification contained its own definition of ABNF. This | ||