update
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# supports-color [](https://travis-ci.org/chalk/supports-color)
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> Detect whether a terminal supports color
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## Install
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```
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$ npm install supports-color
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```
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## Usage
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```js
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const supportsColor = require('supports-color');
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if (supportsColor.stdout) {
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console.log('Terminal stdout supports color');
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}
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if (supportsColor.stdout.has256) {
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console.log('Terminal stdout supports 256 colors');
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}
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if (supportsColor.stderr.has16m) {
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console.log('Terminal stderr supports 16 million colors (truecolor)');
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}
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```
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## API
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Returns an `Object` with a `stdout` and `stderr` property for testing either streams. Each property is an `Object`, or `false` if color is not supported.
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The `stdout`/`stderr` objects specifies a level of support for color through a `.level` property and a corresponding flag:
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- `.level = 1` and `.hasBasic = true`: Basic color support (16 colors)
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- `.level = 2` and `.has256 = true`: 256 color support
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- `.level = 3` and `.has16m = true`: Truecolor support (16 million colors)
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## Info
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It obeys the `--color` and `--no-color` CLI flags.
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Can be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, add the environment variable `FORCE_COLOR=1` to forcefully enable color or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks.
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Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively.
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## Related
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- [supports-color-cli](https://github.com/chalk/supports-color-cli) - CLI for this module
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- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right
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## Maintainers
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- [Sindre Sorhus](https://github.com/sindresorhus)
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- [Josh Junon](https://github.com/qix-)
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## License
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MIT
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@@ -0,0 +1,169 @@
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/**
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* negotiator
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* Copyright(c) 2012 Isaac Z. Schlueter
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* Copyright(c) 2014 Federico Romero
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* Copyright(c) 2014-2015 Douglas Christopher Wilson
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* MIT Licensed
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*/
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'use strict';
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/**
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* Module exports.
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* @public
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*/
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module.exports = preferredCharsets;
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module.exports.preferredCharsets = preferredCharsets;
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/**
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* Module variables.
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* @private
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*/
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var simpleCharsetRegExp = /^\s*([^\s;]+)\s*(?:;(.*))?$/;
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/**
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* Parse the Accept-Charset header.
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* @private
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*/
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function parseAcceptCharset(accept) {
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var accepts = accept.split(',');
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for (var i = 0, j = 0; i < accepts.length; i++) {
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var charset = parseCharset(accepts[i].trim(), i);
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if (charset) {
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accepts[j++] = charset;
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}
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}
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// trim accepts
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accepts.length = j;
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return accepts;
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}
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/**
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* Parse a charset from the Accept-Charset header.
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* @private
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*/
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function parseCharset(str, i) {
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var match = simpleCharsetRegExp.exec(str);
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if (!match) return null;
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var charset = match[1];
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var q = 1;
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if (match[2]) {
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var params = match[2].split(';')
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for (var j = 0; j < params.length; j++) {
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var p = params[j].trim().split('=');
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if (p[0] === 'q') {
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q = parseFloat(p[1]);
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break;
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}
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}
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}
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return {
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charset: charset,
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q: q,
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i: i
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};
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}
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/**
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* Get the priority of a charset.
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* @private
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*/
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function getCharsetPriority(charset, accepted, index) {
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var priority = {o: -1, q: 0, s: 0};
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for (var i = 0; i < accepted.length; i++) {
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var spec = specify(charset, accepted[i], index);
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if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
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priority = spec;
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}
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}
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return priority;
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}
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/**
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* Get the specificity of the charset.
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* @private
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*/
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function specify(charset, spec, index) {
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var s = 0;
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if(spec.charset.toLowerCase() === charset.toLowerCase()){
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s |= 1;
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} else if (spec.charset !== '*' ) {
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return null
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}
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return {
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i: index,
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o: spec.i,
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q: spec.q,
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s: s
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}
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}
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/**
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* Get the preferred charsets from an Accept-Charset header.
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* @public
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*/
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function preferredCharsets(accept, provided) {
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// RFC 2616 sec 14.2: no header = *
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var accepts = parseAcceptCharset(accept === undefined ? '*' : accept || '');
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if (!provided) {
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// sorted list of all charsets
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return accepts
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.filter(isQuality)
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.sort(compareSpecs)
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.map(getFullCharset);
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}
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var priorities = provided.map(function getPriority(type, index) {
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return getCharsetPriority(type, accepts, index);
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});
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// sorted list of accepted charsets
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return priorities.filter(isQuality).sort(compareSpecs).map(function getCharset(priority) {
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return provided[priorities.indexOf(priority)];
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});
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}
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/**
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* Compare two specs.
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* @private
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*/
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function compareSpecs(a, b) {
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return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
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}
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/**
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* Get full charset string.
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* @private
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*/
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function getFullCharset(spec) {
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return spec.charset;
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}
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/**
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* Check if a spec has any quality.
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* @private
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*/
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function isQuality(spec) {
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return spec.q > 0;
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}
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@@ -0,0 +1,179 @@
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"use strict";
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// Manually added data to be used by sbcs codec in addition to generated one.
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module.exports = {
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// Not supported by iconv, not sure why.
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"10029": "maccenteuro",
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"maccenteuro": {
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"type": "_sbcs",
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"chars": "ÄĀāÉĄÖÜáąČäčĆć鏟ĎíďĒēĖóėôöõúĚěü†°Ę£§•¶ß®©™ę¨≠ģĮįĪ≤≥īĶ∂∑łĻļĽľĹĺŅņѬ√ńŇ∆«»… ňŐÕőŌ–—“”‘’÷◊ōŔŕŘ‹›řŖŗŠ‚„šŚśÁŤťÍŽžŪÓÔūŮÚůŰűŲųÝýķŻŁżĢˇ"
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},
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"808": "cp808",
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"ibm808": "cp808",
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"cp808": {
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"type": "_sbcs",
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"chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№€■ "
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},
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"mik": {
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"type": "_sbcs",
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"chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя└┴┬├─┼╣║╚╔╩╦╠═╬┐░▒▓│┤№§╗╝┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
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},
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"cp720": {
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"type": "_sbcs",
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"chars": "\x80\x81éâ\x84à\x86çêëèïî\x8d\x8e\x8f\x90\u0651\u0652ô¤ـûùءآأؤ£إئابةتثجحخدذرزسشص«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀ضطظعغفµقكلمنهوىي≡\u064b\u064c\u064d\u064e\u064f\u0650≈°∙·√ⁿ²■\u00a0"
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},
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// Aliases of generated encodings.
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"ascii8bit": "ascii",
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"usascii": "ascii",
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"ansix34": "ascii",
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"ansix341968": "ascii",
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"ansix341986": "ascii",
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"csascii": "ascii",
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"cp367": "ascii",
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"ibm367": "ascii",
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"isoir6": "ascii",
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"iso646us": "ascii",
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"iso646irv": "ascii",
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"us": "ascii",
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"latin1": "iso88591",
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"latin2": "iso88592",
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"latin3": "iso88593",
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"latin4": "iso88594",
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"latin5": "iso88599",
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"latin6": "iso885910",
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"latin7": "iso885913",
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"latin8": "iso885914",
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"latin9": "iso885915",
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"latin10": "iso885916",
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"csisolatin1": "iso88591",
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"csisolatin2": "iso88592",
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"csisolatin3": "iso88593",
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"csisolatin4": "iso88594",
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"csisolatincyrillic": "iso88595",
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"csisolatinarabic": "iso88596",
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"csisolatingreek" : "iso88597",
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"csisolatinhebrew": "iso88598",
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"csisolatin5": "iso88599",
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"csisolatin6": "iso885910",
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"l1": "iso88591",
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"l2": "iso88592",
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"l3": "iso88593",
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"l4": "iso88594",
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"l5": "iso88599",
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"l6": "iso885910",
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"l7": "iso885913",
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"l8": "iso885914",
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"l9": "iso885915",
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"l10": "iso885916",
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"isoir14": "iso646jp",
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"isoir57": "iso646cn",
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"isoir100": "iso88591",
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"isoir101": "iso88592",
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"isoir109": "iso88593",
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"isoir110": "iso88594",
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"isoir144": "iso88595",
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"isoir127": "iso88596",
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"isoir126": "iso88597",
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"isoir138": "iso88598",
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"isoir148": "iso88599",
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"isoir157": "iso885910",
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"isoir166": "tis620",
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"isoir179": "iso885913",
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"isoir199": "iso885914",
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"isoir203": "iso885915",
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"isoir226": "iso885916",
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"cp819": "iso88591",
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"ibm819": "iso88591",
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"cyrillic": "iso88595",
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"arabic": "iso88596",
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"arabic8": "iso88596",
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"ecma114": "iso88596",
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"asmo708": "iso88596",
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"greek" : "iso88597",
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"greek8" : "iso88597",
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"ecma118" : "iso88597",
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"elot928" : "iso88597",
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"hebrew": "iso88598",
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"hebrew8": "iso88598",
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"turkish": "iso88599",
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"turkish8": "iso88599",
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"thai": "iso885911",
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"thai8": "iso885911",
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"celtic": "iso885914",
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"celtic8": "iso885914",
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"isoceltic": "iso885914",
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"tis6200": "tis620",
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"tis62025291": "tis620",
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"tis62025330": "tis620",
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"10000": "macroman",
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"10006": "macgreek",
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"10007": "maccyrillic",
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"10079": "maciceland",
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"10081": "macturkish",
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"cspc8codepage437": "cp437",
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"cspc775baltic": "cp775",
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"cspc850multilingual": "cp850",
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"cspcp852": "cp852",
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"cspc862latinhebrew": "cp862",
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"cpgr": "cp869",
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"msee": "cp1250",
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"mscyrl": "cp1251",
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"msansi": "cp1252",
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"msgreek": "cp1253",
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"msturk": "cp1254",
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"mshebr": "cp1255",
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"msarab": "cp1256",
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"winbaltrim": "cp1257",
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"cp20866": "koi8r",
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"20866": "koi8r",
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"ibm878": "koi8r",
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"cskoi8r": "koi8r",
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"cp21866": "koi8u",
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"21866": "koi8u",
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"ibm1168": "koi8u",
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"strk10482002": "rk1048",
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"tcvn5712": "tcvn",
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"tcvn57121": "tcvn",
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"gb198880": "iso646cn",
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"cn": "iso646cn",
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"csiso14jisc6220ro": "iso646jp",
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"jisc62201969ro": "iso646jp",
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"jp": "iso646jp",
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"cshproman8": "hproman8",
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"r8": "hproman8",
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"roman8": "hproman8",
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"xroman8": "hproman8",
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"ibm1051": "hproman8",
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"mac": "macintosh",
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"csmacintosh": "macintosh",
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};
|
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|
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Reference in New Issue
Block a user