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Tweak wording regarding dangling references #4606

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Tweak wording regarding dangling references #4606

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8 changes: 4 additions & 4 deletions src/ch10-03-lifetime-syntax.md
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Expand Up @@ -26,10 +26,10 @@ lifetime syntax so that you can get comfortable with the concept.

### Dangling References

The main aim of lifetimes is to prevent dangling references, which, if they
were allowed to exist, would cause a program to reference data other than the
data it’s intended to reference. Consider the program in Listing 10-16, which
has an outer scope and an inner scope.
The main aim of lifetimes is to prevent dangling references, which, if allowed,
would cause a program to reference data other than the data it’s intended to
reference. Consider the program in Listing 10-16, which has an outer scope and
an inner scope.

<Listing number="10-16" caption="An attempt to use a reference whose value has gone out of scope">

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