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doc: minor format fixes in book/error-handling

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lnmx 2015-12-18 10:27:39 -05:00
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src/doc/book/error-handling.md
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@ -182,7 +182,7 @@ analysis is the only way to get at the value stored inside an `Option<T>`. This
means that you, as the programmer, must handle the case when an `Option<T>` is
`None` instead of `Some(t)`.
But wait, what about `unwrap`,which we used [`previously`](#code-unwrap-double)?
But wait, what about `unwrap`, which we used [previously](#code-unwrap-double)?
There was no case analysis there! Instead, the case analysis was put inside the
`unwrap` method for you. You could define it yourself if you want: