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doc: fix the exception description

A value shouldn't be described as doing inherit from some class, more
strictly, the value is an instance of the class `Error`.

PR-URL: #3658
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Stephan Belanger <admin@stephenbelanger.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
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yorkie authored and rvagg committed Nov 4, 2015
1 parent 098a311 commit aaeced915ed66c153401a0f000410bc3ce9da848
Showing with 4 additions and 3 deletions.
  1. +4 −3 doc/api/errors.markdown
@@ -357,9 +357,10 @@ of argument validation.

<!--type=misc-->

A JavaScript "exception" is a value that is thrown as a result of an invalid operation or
as the target of a `throw` statement. While it is not required that these values inherit from
`Error`, all exceptions thrown by Node.js or the JavaScript runtime *will* be instances of Error.
A JavaScript exception is a value that is thrown as a result of an invalid operation or
as the target of a `throw` statement. While it is not required that these values are instances of
`Error` or classes which inherit from `Error`, all exceptions thrown by Node.js or the JavaScript
runtime *will* be instances of Error.

Some exceptions are *unrecoverable* at the JavaScript layer. These exceptions will always bring
down the process. These are usually failed `assert()` checks or `abort()` calls in the C++ layer.

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