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"easier" → "more informative"; omit needless clause 

We don't want to leave the impression that spans are about making it
easier for compiler developers to perform the arduous task of emitting
an error; spans are about pointing to particular segments of code in the
emitted error messages. Also, we don't need to say "whenever an error
comes up"; that's implied by the phrase "error reporting."
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Zack M. Davis 2018-06-30 08:50:28 -07:00 committed by Who? Me?!
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@ -7,7 +7,7 @@ This chapter is about how to emit compile errors and lints from the compiler.
[`Span`][span] is the primary data structure in `rustc` used to represent a [`Span`][span] is the primary data structure in `rustc` used to represent a
location in the code being compiled. `Span`s are attached to most constructs in location in the code being compiled. `Span`s are attached to most constructs in
HIR and MIR, allowing for easier error reporting whenever an error comes up. HIR and MIR, allowing for more informative error reporting.
[span]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax/codemap/struct.Span.html [span]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax/codemap/struct.Span.html