doc: document base64url encoding support
Documents that creating a buffer from base64 encoded string transparently supports "URL and Filename Safe Alphabet" base64url encoding. PR-URL: https://github.com/nodejs/node/pull/5243 Reviewed-By: Ben Noorhduis <info@bnoordhuis.nl> Reviewed-By: Benjamin Gruenbaum <inglor@gmail.com> Reviewed-By: Alejandro Oviedo <alejandro.oviedo.g@gmail.com>
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@ -62,7 +62,9 @@ The character encodings currently supported by Node.js include:
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* `'ucs2'` - Alias of `'utf16le'`.
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* `'base64'` - Base64 string encoding.
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* `'base64'` - Base64 string encoding. When creating a buffer from a string,
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this encoding will also correctly accept "URL and Filename Safe Alphabet" as
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specified in [RFC 4648, Section 5].
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* `'binary'` - A way of encoding the buffer into a one-byte (`latin-1`)
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encoded string. The string `'latin-1'` is not supported. Instead, pass
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@ -1379,3 +1381,4 @@ has observed undue memory retention in their applications.
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[`String.prototype.length`]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/length
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[`util.inspect()`]: util.html#util_util_inspect_object_options
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[iterator]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols
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[RFC 4648, Section 5]: https://tools.ietf.org/html/rfc4648#section-5
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