minor README edits
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README.md
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README.md
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an erlang application for consuming, producing and manipulating [json][json].
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inspired by [yajl][yajl]
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jsx is built via [rebar][rebar] and continuous integration testing provided courtesy [travis][travis]
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**jsx** is built via [rebar][rebar] and continuous integration testing provided courtesy [travis][travis]
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current status: [](http://travis-ci.org/talentdeficit/jsx)
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jsx is released under the terms of the [MIT][MIT] license
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**jsx** is released under the terms of the [MIT][MIT] license
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copyright 2010-2013 alisdair sullivan
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@ -16,6 +16,7 @@ copyright 2010-2013 alisdair sullivan
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* [quickstart](#quickstart)
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* [description](#description)
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- [json <-> erlang mapping](#json---erlang-mapping)
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- [extending jsx](#extending-jsx)
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- [incomplete input](#incomplete-input)
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* [data types](#data-types)
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- [`json_term()`](#json_term)
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## description ##
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jsx is an erlang application for consuming, producing and manipulating
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**jsx** is an erlang application for consuming, producing and manipulating
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[json][json]
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jsx follows the json [spec][rfc4627] as closely as possible with allowances for
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**jsx** follows the json [spec][rfc4627] as closely as possible with allowances for
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real world usage
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jsx is pragmatic. the json spec allows extensions so jsx extends the spec in a
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**jsx** is pragmatic. the json spec allows extensions so **jsx** extends the spec in a
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number of ways. see the section on `strict` in [options](#option) below though
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json has no official comments but this parser allows c/c++ style comments.
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anywhere whitespace is allowed you can insert comments (both `// ...` and `/* ... */`)
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all jsx decoder input should be `utf8` encoded binaries. sometimes you get binaries
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all **jsx** decoder input should be `utf8` encoded binaries. sometimes you get binaries
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that are almost but not quite valid utf8 whether due to improper escaping or poor
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encoding. jsx replaces invalid codepoints and poorly formed sequences with the
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encoding. **jsx** replaces invalid codepoints and poorly formed sequences with the
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unicode replacement character (`u+FFFD`)
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json only allows keys and strings to be delimited by double quotes (`u+0022`) but
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javascript allows them to be delimited by single quotes (`u+0027`) as well. jsx
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javascript allows them to be delimited by single quotes (`u+0027`) as well. **jsx**
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follows javascript in this. strings that start with single quotes can contain double
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quotes but must end with single quotes and must escape any single quotes they contain
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json and jsx only recognize escape sequences as outlined in the json spec. it just
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json and **jsx** only recognize escape sequences as outlined in the json spec. it just
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ignores bad escape sequences
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@ -214,16 +215,16 @@ ignores bad escape sequences
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### incomplete input ###
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jsx can handle incomplete json texts. if the option `stream` is passed to the decoder
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**jsx** can handle incomplete json texts. if the option `stream` is passed to the decoder
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or parser and if a partial json text is parsed, rather than returning a term from
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your callback handler, jsx returns `{incomplete, F}` where `F` is a function with
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your callback handler, **jsx** returns `{incomplete, F}` where `F` is a function with
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an identical API to the anonymous fun returned from `decoder/3`, `encoder/3` or
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`parser/3`. it retains the internal state of the parser at the point where input
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was exhausted. this allows you to parse as you stream json over a socket or file
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descriptor, or to parse large json texts without needing to keep them entirely in
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memory
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however, it is important to recognize that jsx is conservative by default. jsx will
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however, it is important to recognize that **jsx** is conservative by default. **jsx** will
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not consider the parsing complete even when input is exhausted and the json text is
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unambiguously incomplete. to end parsing call the `incomplete` function with the
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argument `end_stream` like:
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| escapes
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```
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jsx functions all take a common set of options. not all flags have meaning
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**jsx** functions all take a common set of options. not all flags have meaning
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in all contexts, but they are always valid options. functions may have
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additional options beyond these. see
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[individual function documentation](#exports) for details
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@ -344,7 +345,7 @@ additional options beyond these. see
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- `strict`
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as mentioned [earlier](#description), jsx is pragmatic. if you're more of a
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as mentioned [earlier](#description), **jsx** is pragmatic. if you're more of a
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json purist or you're really into bdsm stricter adherence to the spec is
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possible. the following restrictions are available
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escape sequences not adhering to the json spec result in a `badarg` error
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any combination of these can be passed to jsx by using `{strict, [strict_option()]}`.
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any combination of these can be passed to **jsx** by using `{strict, [strict_option()]}`.
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`strict` is equivalent to `{strict, [comments, bad_utf8, single_quotes, escapes]}`
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- `stream`
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@ -391,7 +392,7 @@ parser(Module, Args, Opts) -> Fun((Tokens) -> any())
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Tokens = event() | [event()]
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```
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jsx is a json compiler with interleaved tokenizing, syntactic analysis and
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**jsx** is a json compiler with interleaved tokenizing, syntactic analysis and
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semantic analysis stages. included are two tokenizers; one that handles json
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texts (`decoder/3`) and one that handles erlang terms (`encoder/3`). there is
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also an entry point to the syntactic analysis stage for use with user-defined
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@ -550,7 +551,7 @@ what exactly constitutes valid json may be altered via [options](#option)
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## callback exports ##
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the following functions should be exported from a jsx callback module
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the following functions should be exported from a **jsx** callback module
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#### `Module:init/1` ####
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@ -630,7 +631,7 @@ following events must be handled:
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## acknowledgements ##
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jsx wouldn't be what it is without the contributions of [paul davis](https://github.com/davisp), [lloyd hilaiel](https://github.com/lloyd), [john engelhart](https://github.com/johnezang), [bob ippolito](https://github.com/etrepum), [fernando benavides](https://github.com/elbrujohalcon), [alex kropivny](https://github.com/amtal), [steve strong](https://github.com/srstrong), [michael truog](https://github.com/okeuday), [dmitry kolesnikov](https://github.com/fogfish) and [emptytea](https://github.com/emptytea)
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**jsx** wouldn't be what it is without the contributions of [paul davis](https://github.com/davisp), [lloyd hilaiel](https://github.com/lloyd), [john engelhart](https://github.com/johnezang), [bob ippolito](https://github.com/etrepum), [fernando benavides](https://github.com/elbrujohalcon), [alex kropivny](https://github.com/amtal), [steve strong](https://github.com/srstrong), [michael truog](https://github.com/okeuday), [dmitry kolesnikov](https://github.com/fogfish) and [emptytea](https://github.com/emptytea)
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[json]: http://json.org
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[yajl]: http://lloyd.github.com/yajl
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