Changed `Group` name to `PopupWindow` in `cssref.html` -------------
Commit messages: - Fix incorrect "Group" heading to "PopupWindow" in cssref.html Changes: https://git.openjdk.org/jfx/pull/1923/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1923&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8368511 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jfx/pull/1923.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1923/head:pull/1923 PR: https://git.openjdk.org/jfx/pull/1923
