hg: jdk/submit11: 8208164: (str) improve specification of String::lines

[james.laskey at oracle.com]

Changeset: 3fe0329588b8
Author:    jlaskey
Date:      2018-07-26 10:25 -0300
URL:       http://hg.openjdk.java.net/jdk/submit11/rev/3fe0329588b8

8208164: (str) improve specification of String::lines
Reviewed-by: smarks

! src/java.base/share/classes/java/lang/String.java