On Mon, 19 May 2025 20:56:55 GMT, Justin Lu <j...@openjdk.org> wrote:
> It is not clear that `Locale.Builder.setLanguageTag(String)` accepts > _extlang_ subtags in the input as well as what behavior occurs. Additionally, > both this method and `Locale.forLanguageTag(String)` should mention their > behavior when more than three _extlang_ subtags are provided. This PR > clarifies the lack of context in the specification. src/java.base/share/classes/java/util/Locale.java line 2792: > 2790: * tag). {@code languageTag} may contain up to three extlang > subtags. > 2791: + For such occurrences, the first extlang subtag is used as > the language, > 2792: * and the primary language subtag and other extlang subtags > are ignored. Should we throw an exeption here? I had an impression that the new description actually contradicts to the previous sentense, which asserts exception on ill-formed tag. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25309#discussion_r2096613695