Default implementation of JFormattedTextField.AbstractFormatter.getDocumentFilter()/getNavigationFilter() returns null but it is not mentioned in the spec. It is now explicitly mentioned in the spec by @impNote tag.
------------- Commit messages: - 8263768: JFormattedTextField.AbstractFormatter.getDocumentFilter()/getNavigationFilter() spec doesn't mention what the default impls return and what does it mean Changes: https://git.openjdk.java.net/jdk/pull/3064/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3064&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8263768 Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/3064.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/3064/head:pull/3064 PR: https://git.openjdk.java.net/jdk/pull/3064