Rollup merge of #40692 - SamWhited:consistent_str_docs_punctuation, r=bstrie

str: Make docs consistently punctuated

Every so slightly pointless one character PR, but this was driving me nuts while reading the docs a moment ago (all the [other public structs](https://doc.rust-lang.org/std/str/index.html#structs) have descriptions that end in a full-stop).
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Corey Farwell 2017-03-22 19:30:30 -04:00 committed by GitHub
commit baaa253659

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@ -332,7 +332,7 @@ impl fmt::Display for Utf8Error {
Section: Iterators
*/
/// Iterator for the char (representing *Unicode Scalar Values*) of a string
/// Iterator for the char (representing *Unicode Scalar Values*) of a string.
///
/// Created with the method [`chars`].
///