275 lines
11 KiB
Markdown
275 lines
11 KiB
Markdown
### v1.0.1 [[code][c1.0.1], [diff][d1.0.1]]
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[c1.0.1]: https://github.com/json5/json5/tree/v1.0.1
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[d1.0.1]: https://github.com/json5/json5/compare/v1.0.0...v1.0.1
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This release includes a bug fix and minor change.
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- Fix: `parse` throws on unclosed objects and arrays.
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- New: `package.json5` has been removed until an easier way to keep it in sync
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with `package.json` is found.
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### v1.0.0 [[code][c1.0.0], [diff][d1.0.0]]
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[c1.0.0]: https://github.com/json5/json5/tree/v1.0.0
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[d1.0.0]: https://github.com/json5/json5/compare/v0.5.1...v1.0.0
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This release includes major internal changes and public API enhancements.
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- **Major** JSON5 officially supports Node.js v4 and later. Support for Node.js
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v0.10 and v0.12 have been dropped.
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- New: Unicode property names and Unicode escapes in property names are
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supported. ([#1])
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- New: `stringify` outputs trailing commas in objects and arrays when a `space`
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option is provided. ([#66])
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- New: JSON5 allows line and paragraph separator characters (U+2028 and U+2029)
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in strings in order to be compatible with JSON. However, ES5 does not allow
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these characters in strings, so JSON5 gives a warning when they are parsed and
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escapes them when they are stringified. ([#70])
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- New: `stringify` accepts an options object as its second argument. The
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supported options are `replacer`, `space`, and a new `quote` option that
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specifies the quote character used in strings. ([#71])
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- New: The CLI supports STDIN and STDOUT and adds `--out-file`, `--space`, and
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`--validate` options. See `json5 --help` for more information. ([#72], [#84],
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and [#108])
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- New: In addition to the white space characters space `\t`, `\v`, `\f`, `\n`,
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`\r`, and `\xA0`, the additional white space characters `\u2028`, `\u2029`,
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and all other characters in the Space Separator Unicode category are allowed.
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- New: In addition to the character escapes `\'`, `\"`, `\\`, `\b`, `\f`, `\n`,
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`\r`, and `\t`, the additional character escapes `\v` and `\0`, hexadecimal
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escapes like `\x0F`, and unnecessary escapes like `\a` are allowed in string
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values and string property names.
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- New: `stringify` outputs strings with single quotes by default but
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intelligently uses double quotes if there are more single quotes than double
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quotes inside the string. (i.e. `stringify('Stay here.')` outputs
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`'Stay here.'` while `stringify('Let\'s go.')` outputs `"Let's go."`)
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- New: When a character is not allowed in a string, `stringify` outputs a
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character escape like `\t` when available, a hexadecimal escape like `\x0F`
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when the Unicode code point is less than 256, or a Unicode character escape
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like `\u01FF`, in that order.
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- New: `stringify` checks for a `toJSON5` method on objects and, if it exists,
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stringifies its return value instead of the object. `toJSON5` overrides
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`toJSON` if they both exist.
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- New: To `require` or `import` JSON5 files, use `require('json5/lib/register')`
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or `import 'json5/lib/register'`. Previous versions used `json5/lib/require`,
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which still exists for backward compatibility but is deprecated and will give
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a warning.
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- New: To use JSON5 in browsers, use the file at `dist/index.js` or
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`https://unpkg.com/json5@^1.0.0`.
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- Fix: `stringify` properly outputs `Infinity` and `NaN`. ([#67])
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- Fix: `isWord` no longer becomes a property of `JSON5` after calling
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`stringify`. ([#68] and [#89])
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- Fix: `stringify` no longer throws when an object does not have a `prototype`.
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([#154])
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- Fix: `stringify` properly handles the `key` argument of `toJSON(key)` methods.
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`toJSON5(key)` follows this pattern.
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- Fix: `stringify` accepts `Number` and `String` objects as its `space`
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argument.
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- Fix: In addition to a function, `stringify` also accepts an array of keys to
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include in the output as its `replacer` argument. Numbers, `Number` objects,
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and `String` objects will be converted to a string if they are given as array
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values.
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### v0.5.1 [[code][c0.5.1], [diff][d0.5.1]]
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[c0.5.1]: https://github.com/json5/json5/tree/v0.5.1
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[d0.5.1]: https://github.com/json5/json5/compare/v0.5.0...v0.5.1
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This release includes a minor fix for indentations when stringifying empty
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arrays.
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- Fix: Indents no longer appear in empty arrays when stringified. ([#134])
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### v0.5.0 [[code][c0.5.0], [diff][d0.5.0]]
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[c0.5.0]: https://github.com/json5/json5/tree/v0.5.0
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[d0.5.0]: https://github.com/json5/json5/compare/v0.4.0...v0.5.0
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This release includes major internal changes and public API enhancements.
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- **Major:** JSON5 officially supports Node.js v4 LTS and v5. Support for
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Node.js v0.6 and v0.8 have been dropped, while support for v0.10 and v0.12
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remain.
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- Fix: YUI Compressor no longer fails when compressing json5.js. ([#97])
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- New: `parse` and the CLI provide line and column numbers when displaying error
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messages. ([#101]; awesome work by [@amb26].)
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### v0.4.0 [[code][c0.4.0], [diff][d0.4.0]]
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[c0.4.0]: https://github.com/json5/json5/tree/v0.4.0
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[d0.4.0]: https://github.com/json5/json5/compare/v0.2.0...v0.4.0
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Note that v0.3.0 was tagged, but never published to npm, so this v0.4.0
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changelog entry includes v0.3.0 features.
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This is a massive release that adds `stringify` support, among other things.
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- **Major:** `JSON5.stringify()` now exists!
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This method is analogous to the native `JSON.stringify()`;
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it just avoids quoting keys where possible.
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See the [usage documentation](./README.md#usage) for more.
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([#32]; huge thanks and props [@aeisenberg]!)
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- New: `NaN` and `-NaN` are now allowed number literals.
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([#30]; thanks [@rowanhill].)
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- New: Duplicate object keys are now allowed; the last value is used.
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This is the same behavior as JSON. ([#57]; thanks [@jordanbtucker].)
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- Fix: Properly handle various whitespace and newline cases now.
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E.g. JSON5 now properly supports escaped CR and CRLF newlines in strings,
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and JSON5 now accepts the same whitespace as JSON (stricter than ES5).
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([#58], [#60], and [#63]; thanks [@jordanbtucker].)
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- New: Negative hexadecimal numbers (e.g. `-0xC8`) are allowed again.
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(They were disallowed in v0.2.0; see below.)
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It turns out they *are* valid in ES5, so JSON5 supports them now too.
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([#36]; thanks [@jordanbtucker]!)
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### v0.2.0 [[code][c0.2.0], [diff][d0.2.0]]
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[c0.2.0]: https://github.com/json5/json5/tree/v0.2.0
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[d0.2.0]: https://github.com/json5/json5/compare/v0.1.0...v0.2.0
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This release fixes some bugs and adds some more utility features to help you
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express data more easily:
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- **Breaking:** Negative hexadecimal numbers (e.g. `-0xC8`) are rejected now.
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While V8 (e.g. Chrome and Node) supported them, it turns out they're invalid
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in ES5. This has been [fixed in V8][v8-hex-fix] (and by extension, Chrome
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and Node), so JSON5 officially rejects them now, too. ([#36])
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- New: Trailing decimal points in decimal numbers are allowed again.
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(They were disallowed in v0.1.0; see below.)
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They're allowed by ES5, and differentiating between integers and floats may
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make sense on some platforms. ([#16]; thanks [@Midar].)
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- New: `Infinity` and `-Infinity` are now allowed number literals.
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([#30]; thanks [@pepkin88].)
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- New: Plus signs (`+`) in front of numbers are now allowed, since it can
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be helpful in some contexts to explicitly mark numbers as positive.
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(E.g. when a property represents changes or deltas.)
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- Fix: unescaped newlines in strings are rejected now.
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([#24]; thanks [@Midar].)
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### v0.1.0 [[code][c0.1.0], [diff][d0.1.0]]
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[c0.1.0]: https://github.com/json5/json5/tree/v0.1.0
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[d0.1.0]: https://github.com/json5/json5/compare/v0.0.1...v0.1.0
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This release tightens JSON5 support and adds helpful utility features:
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- New: Support hexadecimal numbers. (Thanks [@MaxNanasy].)
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- Fix: Reject octal numbers properly now. Previously, they were accepted but
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improperly parsed as base-10 numbers. (Thanks [@MaxNanasy].)
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- **Breaking:** Reject "noctal" numbers now (base-10 numbers that begin with a
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leading zero). These are disallowed by both JSON5 and JSON, as well as by
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ES5's strict mode. (Thanks [@MaxNanasy].)
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- New: Support leading decimal points in decimal numbers.
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(Thanks [@MaxNanasy].)
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- **Breaking:** Reject trailing decimal points in decimal numbers now. These
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are disallowed by both JSON5 and JSON. (Thanks [@MaxNanasy].)
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- **Breaking:** Reject omitted elements in arrays now. These are disallowed by
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both JSON5 and JSON.
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- Fix: Throw proper `SyntaxError` instances on errors now.
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- New: Add Node.js `require()` hook. Register via `json5/lib/require`.
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- New: Add Node.js `json5` executable to compile JSON5 files to JSON.
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### v0.0.1 [[code][c0.0.1], [diff][d0.0.1]]
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[c0.0.1]: https://github.com/json5/json5/tree/v0.0.1
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[d0.0.1]: https://github.com/json5/json5/compare/v0.0.0...v0.0.1
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This was the first implementation of this JSON5 parser.
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- Support unquoted object keys, including reserved words. Unicode characters
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and escape sequences sequences aren't yet supported.
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- Support single-quoted strings.
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- Support multi-line strings.
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- Support trailing commas in arrays and objects.
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- Support comments, both inline and block.
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### v0.0.0 [[code](https://github.com/json5/json5/tree/v0.0.0)]
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Let's consider this to be Douglas Crockford's original [json_parse.js] — a
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parser for the regular JSON format.
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[json_parse.js]: https://github.com/douglascrockford/JSON-js/blob/master/json_parse.js
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[v8-hex-fix]: http://code.google.com/p/v8/issues/detail?id=2240
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[@MaxNanasy]: https://github.com/MaxNanasy
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[@Midar]: https://github.com/Midar
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[@pepkin88]: https://github.com/pepkin88
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[@rowanhill]: https://github.com/rowanhill
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[@aeisenberg]: https://github.com/aeisenberg
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[@jordanbtucker]: https://github.com/jordanbtucker
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[@amb26]: https://github.com/amb26
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[#1]: https://github.com/json5/json5/issues/1
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[#16]: https://github.com/json5/json5/issues/16
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[#24]: https://github.com/json5/json5/issues/24
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[#30]: https://github.com/json5/json5/issues/30
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[#32]: https://github.com/json5/json5/issues/32
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[#36]: https://github.com/json5/json5/issues/36
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[#57]: https://github.com/json5/json5/issues/57
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[#58]: https://github.com/json5/json5/pull/58
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[#60]: https://github.com/json5/json5/pull/60
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[#63]: https://github.com/json5/json5/pull/63
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[#66]: https://github.com/json5/json5/issues/66
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[#67]: https://github.com/json5/json5/issues/67
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[#68]: https://github.com/json5/json5/issues/68
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[#70]: https://github.com/json5/json5/issues/70
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[#71]: https://github.com/json5/json5/issues/71
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[#72]: https://github.com/json5/json5/issues/72
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[#84]: https://github.com/json5/json5/pull/84
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[#89]: https://github.com/json5/json5/pull/89
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[#97]: https://github.com/json5/json5/pull/97
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[#101]: https://github.com/json5/json5/pull/101
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[#108]: https://github.com/json5/json5/pull/108
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[#134]: https://github.com/json5/json5/pull/134
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[#154]: https://github.com/json5/json5/issues/154
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