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Hariharan Srinath authored
Adds the clarification that these functions return empty string if the requested element is not available Added fullstops Fixes #11664 Change-Id: I84173862bc785240f7d3ee75a5023673264d172b Reviewed-on: https://go-review.googlesource.com/12061Reviewed-by: Rob Pike <r@golang.org>
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