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+## Changelog
+### 0.9.1
+- Added `if`-block. ([#151](https://github.com/satyr/coco/issues/151))
+- Added `for`-`let`. ([#164](https://github.com/satyr/coco/issues/164))
+- Added `<>` aka _lef_. ([#180](https://github.com/satyr/coco/issues/180))
+- Gave `|>` the lowest precedence.
+- Made block constructions directly dot-accessible.
+- Made JS literal Markdown-esque. To include N `` ` ``, close with N+1 `` ` ``:
+  ```` ``` '``' ``` ````
+- Quit reusing temporary variables.
+- File extensions like _co.json_, _coon_, or _cocoon_ now imply `--json`.
+- Fixed:
+  - [#193](https://github.com/satyr/coco/issues/193)
+  - [#195](https://github.com/satyr/coco/issues/195)
+  - [#199](https://github.com/satyr/coco/issues/199)
+  - [#200](https://github.com/satyr/coco/issues/200)
+  - [gkz/LiveScript#273](https://github.com/gkz/LiveScript/issues/273)
+  - [gkz/LiveScript#279](https://github.com/gkz/LiveScript/issues/279)
+
+### 0.9.0
+- Literal `&` is now used to reference several new targets:
+  - Left hand of `|>` (in place of `_`).
+  - Current item of newly added quick map: `for [0 1] => &+2  # [2 3]`
+  - Subject of new `with` as proposed
+    in [#172](https://github.com/satyr/coco/issues/172).
+- Made cascade, now `with` in disguise, require at least one `&` in body.
+  ([#179](https://github.com/satyr/coco/issues/179))
+- Made `let` accept `this =` on the first assignment to substitute old `with`.
+- Made bodyless `catch` return the catchee.
+- Made `by -1` implied on downward ranges.
+- Made interpolation apply to `#&` and `#@`.
+- Quit expanding `super` followed by `::` to parent method,
+  so that call to `super::anotherMethod` works as expected.
+- Fixed:
+  - [#175](https://github.com/satyr/coco/issues/175)
+  - [#178](https://github.com/satyr/coco/issues/178)
+  - [#185](https://github.com/satyr/coco/issues/185)
+  - [#190](https://github.com/satyr/coco/issues/190)
+  - [#192](https://github.com/satyr/coco/issues/192)
+  - [coffee#1188](https://github.com/jashkenas/coffee-script/issues/1188)
+
+### 0.8.2
+- Fixed:
+  - [#165](https://github.com/satyr/coco/issues/165)
+  - [#168](https://github.com/satyr/coco/issues/168)
+  - [coffee#2496](https://github.com/jashkenas/coffee-script/issues/2496)
+  - [coffee#2506](https://github.com/jashkenas/coffee-script/issues/2506)
+
+### 0.8.1
+- Fixed [#162](https://github.com/satyr/coco/issues/162).
+
+### 0.8.0
+- Allowed hyphenated alphabets within identifiers as alias to their upper case:
+  `encode-URI-component` => `encodeURIComponent`
+- Added cascade. ([#72](https://github.com/satyr/coco/issues/72)
+- Changed the pipe operator to `|>`.
+- Revised `=>` as another block creation operator.
+- `export`/`import`/`const`/`var` can now appear anywhere.
+- `catch`ed variables are now function-scoped.
+  ([coffee#2422](https://github.com/jashkenas/coffee-script/issues/2422))
+- Generated variables now get postfix `$` rather than prefix `__`.
+
+### 0.7.6
+- Added `export const`.
+- Enabled object splat within brace objects via `...:`.
+- Allowed array repetition to work on slices and comprehensions.
+- Disallowed malformed hex/unicode escape sequence in string.
+- Quit overloading `+` for array concatenation.
+- `class` can be bodyless again.
+- `super` no longer auto-`.call`s more than once.
+
+### 0.7.5
+- Implemented `implements`. ([#144](https://github.com/satyr/coco/issues/144))
+- Top-level `void`s are now simply ignored and usable like Python's __pass__.
+
+### 0.7.4
+- Added `import` declaration in place of the implicit `this import`:
+  `import a, b` => `this <<< a <<< b`
+- Made `super` work in accessor methods.
+- Disallowed redeclarations via `var`.
+- Improved handling of nonexistent files.
+
+### 0.7.3
+- Node.js 0.8.x.
+- Added `const` and `var`. ([#139](https://github.com/satyr/coco/issues/139))
+- Made `function` variables read-only.
+- Removed `-n` shorthand for `--nodejs`.
+  ([#142](https://github.com/satyr/coco/issues/142))
+- Bug fixes:
+  - `super` with nested classes and methods
+  - `f a, while b then c` etc.
+  - and others:
+    [#138](https://github.com/satyr/coco/issues/138)
+    [#141](https://github.com/satyr/coco/issues/141)
+    [#143](https://github.com/satyr/coco/issues/143)
+
+### 0.7.2
+- Revised accessor. ([#5](https://github.com/satyr/coco/issues/5))
+- Allowed implicit array after some unary operators.
+- Added named backcall: `<-:f g` => `g(:f ->)`
+- Made `{[q]:p}` short for `{p: [q]:p}`.
+
+### 0.7.1
+- Added `export` statement. ([#121](https://github.com/satyr/coco/issues/121))
+- Made `{{q}:p}` short for `{p: {q}:p}`.
+- Allowed keyword literals as object shorthand: `{true}` => `{true: true}`
+- Allowed decimals and `$` in number comments.
+- Removed uppercase radix prefixes and exponential notation as per
+  [coffee#2061](https://github.com/jashkenas/coffee-script/issues/2061).
+- Labelling a function (literal or IIFE sugar) now names it.
+  E.g. `:f ->` compiles to `(function f(){})`.
+- `super` call to a bound class now works as expected.
+- All compiler-generated variables are now double-underscore prefixed.
+- `--interactive` no longer implies `--bare`.
+  Use `-bi` when you want top-level variables to persist.
+
+### 0.7.0
+- Caught up Node.js 0.6.x.
+- `!` against function/backcall now suppresses its auto-return.
+- `superclass` now points to the constructor that the `class extends`.
+- `super` now relies solely on `superclass` rather than requiring special forms like `C::m = ->`.
+- `of` no longer delegates to `Array::indexOf`, making it consistent with `for`-`of` behavior.
+- Inline implicit objects now close at newline or `if`/`for`/`while`/`until`.
+- `--print` no longer implies `--compile`.
+- `--watch` now works on Windows.
+
+### 0.6.7
+- Fixed [coffee#1715](https://github.com/jashkenas/coffee-script/issues/1715) etc.
+- Trivial improvements.
+
+### 0.6.6
+- Added unary assignments: `!! = x` => `x = !!x`
+- Made `a? <<< b` short for `a <<< b if a?`.
+- Improved stack traces from directly run .co files.
+
+### 0.6.5
+- `case`/`of`/`instanceof` now works better with array slice.
+- `instanceof` now rejects invalid right operands.
+
+### 0.6.4
+- Unary operators now spread into an array operand: `+[a, b]` => `[+a, +b]`
+- `..` now points to the constructor under `class`.
+- _coke_ now works from subdirectories.
+  ([coffee#1687](https://github.com/jashkenas/coffee-script/issues/1687))
+
+### 0.6.3
+- Added pipe operator: `f! => g _` => `_ = f!; g _`
+- Fixed identifier lexing as per ES5.
+- Improved label handlings.
+- Helper functions are now declared last.
+  ([coffee#1638](https://github.com/jashkenas/coffee-script/issues/1638))
+
+### 0.6.2
+- Added character ranges: `[\a to \d]` => `[\a \b \c \d]`
+- Added named destructuring: `{p, q}:o = f!` => `o = f!; {p, q} = o`
+- Numbers can no longer start with `.`.
+- `function` can no longer prefix `->`/`~>`.
+  Use `~function` to declare bound functions instead.
+
+### 0.6.1
+- Allowed line folding after `for` prepositions.
+- `import`ing onto a soaked expression is now safe.
+- `--json` now modifies `--ast` or `--compile`.
+- Fixed [#81](https://github.com/satyr/coco/issues/81) etc.
+
+### 0.6.0
+
+#### Additions
+- Added [soak assign](https://github.com/satyr/coco/issues/71).
+- Added [`<?` and `>?` operators](https://github.com/satyr/coco/issues/66).
+- Loops can now have [`else` clause](https://github.com/satyr/coco/issues/75).
+- `import x` is now short for `this <<< x`.
+- `,` after `(`, `[` or another `,` now implies `void`.
+
+#### Changes
+- Added [object slice](https://github.com/satyr/coco/issues/77).
+- Added bang call: `f!` => `f()`
+- Revised clone syntax from `x{}` to `^x`.
+- Revised semiautovivification syntax from `.!`/`.@` to `.@`/`.@@`.
+- Variable interpolations no longer require braces:
+  `"(#id)"` => `"(" + id + ")"`
+- Spaced dots now close implicit calls.
+  See [coffee#1407](https://github.com/jashkenas/coffee-script/issues/1407).
+- Direct calls to `super` now delegate `this`.
+- [`extended` hook](https://github.com/jashkenas/coffee-script/issues/516) is back.
+- `from` of `for` is now optional, meaning `from 0`.
+  `til`less `from` is no longer allowed.
+
+### 0.5.4
+- `while`/`until` can now have update clause after test clause:
+  `continue while f(), g()` => `for (; f(); g()) {}`
+- `that` no longer triggers anaphoric conversion under `unless`/`until`.
+- Disallowed `a.=b = c` `p:~ (a, b) ->` `f ..., a` etc.
+- Fixed [coffee#1416](https://github.com/jashkenas/coffee-script/issues/1416).
+
+### 0.5.3
+- Added `do`-`while`/`until` construction.
+- Added `$` flag to regexes. Same as `.source`, but more efficient.
+- Suppressed implicit return on `new`ed/setter functions.
+- Sped up lexer.
+
+### 0.5.2
+- Added `!?` (inexistence) operator.
+- `function` no longer requires parens around parameters.
+- `class` block is now mandatory.
+- Bug fixes:
+  [coffee#1352](https://github.com/jashkenas/coffee-script/issues/1352)
+  [coffee#1354](https://github.com/jashkenas/coffee-script/issues/1354)
+
+### 0.5.1
+- `a.b.c?.=d.e` now works as expected.
+- `a[b, c] = d` now works as expected.
+- _extras/coco.js_ works again on WSH.
+- `--output` implies `--compile` again.
+
+### 0.5.0
+- Added `**` operator.
+- Overloaded `+`/`-`/`/` (in addition to `*`) for arrays and strings.
+- Revised `let`: `let (a) ~>` => `let a then`
+- Allowed underscores within number literals.
+- Major regex changes:
+  - Dieted heregex: `/// re ///` => `// re //`
+  - Allowed leading whitespace in normal regex literals when unambiguous.
+  - No longer accepts invalid regexes.
+- `->` is now optional when `function` is used.
+- `case` accepts comma-separated tests again.
+- `return`/`throw` can now take a block.
+- REPL now uses _^J_ to continue lines.
+
+### 0.4.2
+- Enabled:
+  - ADI on `?.`
+  - ACI on `++`/`--`
+  - conditional destructuring assignments
+  - colors and tab completion in REPL
+- Made leading `*`s serve like list markers.
+
+### 0.4.1
+- Added string/array multiplication.
+- Added label support.
+- Aliased `constructor` as `..`.
+
+### 0.4.0
+- Added `let`. Unary `do` is back at being simple call.
+- Added `with`.
+- Added semiautovivification.
+- Made `::` a pure sugar for `prototype`, which can now directly refer to `@::` under class body.
+- `?.` can now appear anywhere a normal dot can be used.
+- `~.` is changed to `. ~`.
+- `new` no longer accepts splatted arguments.
+- `--interactive` now works with `--compile` and `--bare`.
+- Renamed `--nodes` option and `.nodes` method to `--ast`/`.ast`.
+- Fixed [the performance bug](https://github.com/jashkenas/coffee-script/issues/1033) wrt long method chains.
+- Quit supporting Node.js 0.3.x or lower.
+
+### 0.3.2
+- Unrestricted ADI for identifiers beyond `@` and `::`.
+- Expanded property shorthands beyond `@foo`.
+- Added `typeof!`, which inspects the internal _[[Class]]_ property.
+- Added shebang support.
+- REPL results now evaluate more intuitively.
+- Disallowed whitespace mixup for indentations.
+
+### 0.3.1
+- `debugger` now works anywhere.
+- Revised heregex flag syntax: `///#{x}#{y}///?` -> `RegExp('' + x, y);`
+- Removed `Coco.eval`.
+- Made _extras/coco.js_ work as a mini-compiler on WSH.
+- Added _extras/mode-coco.js_, an editing mode for [Ace](http://ace.ajax.org).
+- Added `--json` option.
+
+### 0.3.0
+
+#### Pure Additions
+- Added _backcall_, a sugar to flatten nested callbacks.
+- `do` block can now work as a pair of normal parentheses.
+- Improved _ACI_ (automatic comma insertion): `f {} [] x` -> `f({}, [], x);`
+- Improved _ADI_ (automatic dot insertion): `@@0'!'` -> `arguments[0]['!'];`
+- Multiline block on the RHS of object property now works as an implicit array.
+- Heregexes now support dynamic flags: `/// x #{? y } ///` -> `RegExp('x', y);`
+- Enabled compound _accessigns_: `a.+=b` -> `a += a.b;`
+- `...` in array destructuring (same as `...[]`) now skips items rather than `slice`ing them. ([coffee#870](https://github.com/jashkenas/coffee-script/issues/870))
+- Compilation errors now report line numbers.
+- `Coco` object now emits more events for use with `--require`.
+
+#### Incompatible Changes
+- <del>`=>`</del> -> <ins>`~>`</ins>
+- <del>`&.`</del> -> <ins>`~.`</ins>
+- Braceless objects no longer consume property shorthands.
+  ([coffee#618](https://github.com/jashkenas/coffee-script/issues/618))
+- Indentations within non-here strings are now stripped.
+- [Fixed](https://github.com/jashkenas/coffee-script/issues/1050)
+  block comment syntax to good ol' `/* */`.
+- `@0` is now `this[0]` rather than `arguments[0]`.
+
+### 0.2.2
+- `is not` is the new `isnt`.
+- `@'++'` is now valid as a shorthand for `@['++']`.
+- Commas between primitive values are now optional.
+- _coke_ now automatically aliases tasks.
+- _extras/coco.js_ now works as a Gecko JS Module.
+- Grouped documentation suite into _doc/_ for portability.
+- Rewrote _src/optparse.co_.
+
+### 0.2.1
+- Added numeric ranges.
+- Destructuring assignments can now specify default values using logical operators.
+  Default arguments syntax has been changed accordingly.
+  (`(a || b) ->` instead of `(a ||= b) ->`)
+- `do` now performs special conversions against function literals with parameters,
+  making it work as pseudo-`let` and Coffee 1.0.0 compliant.
+- Allowed `for i from x then` as a sugar for `for i from 0 til x then`.
+- Disallowed duplicate formal arguments.
+- Improved syntax-highlight in _src/index.html_.
+
+### 0.2.0
+- Version bump for Xmas, in concert with [Coffee 1.0.0](http://news.ycombinator.com/item?id=2037801).
+- `@@` is now a shorthand for `arguments`.
+- `do` can now indicate a call against indented arguments.
+- `and` and `or` now close implicit calls, making you write even less parens:
+  `f x and g y or z` -> `f(x) && g(y) || z;`
+- `catch`'s variable declaration is no longer required.
+- `a<[ b c ]>` is now equivalent to `a[\b, \c]` (was `a(\b, \c)`).
+- `case` now requires brackets to have multiple conditions.
+- Added `--nodejs` option. See [coffee#910](https://github.com/jashkenas/coffee-script/issues/910).
+- Renamed `--stdio` to `--stdin`.
+
+### 0.1.6
+- Added character/word literal:
+  `\C + \++` -> `'C' + '++';`
+- Retrieving multiple properties at once is now possible:
+  `a[b, c]` -> `[a[b], a[c]];`
+- Destructuring into an object's properties is now possible:
+  - `a[b, c] = d` -> `a[b] = d[0], a[c] = d[1];`
+  - `a{b, c} = d` -> `a.b = d.b, a.c = d.c;`
+- Compound assignments can now destructure:
+  `[@a, @b] /= c` -> `this.a /= c[0], this.b /= c[1];`
+
+### 0.1.5
+- Conditional control structures can now be anaphoric;
+  `that` within `if`, `while` or `case` block now refers to the condition value.
+- Decimal numbers can now have arbitrary trailing alphabets as comments.
+  e.g. `9times`, `1.5s`
+- Added `<<<`/`<<<<` as aliases to `import`/`import all`
+- non-ASCII identifiers are now allowed.
+
+### 0.1.4
+- `.` and its families can now be used with numbers and strings, instead of `[]`.
+  `a.0.'0'` compiles to `a[0]['0']`.
+- Added syntax for cloning objects;
+  `obj{key:val}` acts like a simple version of ES5 `Object.create`,
+  creating a prototypal child of `obj` and assigning to `.key` with `val`.
+- default arguments can now choose to use `||`/`&&`.
+- `super` under a class block now refers to the superclass.
+- _.coffee_ extension is no longer supported.
+
+### 0.1.3
+- Compilation now prefers single quotes.
+- AST now compiles faster, roughly 1.4 times than 0.1.2.
+- `[]`/`{}` can now be safely used as an placeholder within array destructuring.
+- Improved `--nodes` output.
+
+### 0.1.2
+- `...` is now prefix.
+- `{0: first, (*-1): last} = array` now works.
+- Added `--lex` to the `coco` utility. Removed `--lint`.
+- _src/_ now has [doc view](http://satyr.github.io/coco/src/).
+
+### 0.1.1
+Release.