[xwiki-notifications] [xwiki/xwiki-platform] 285319: XWIKI-21579: Invalid lang HTML Tag when "German (G...

Branch: refs/heads/stable-15.5.x Home: https://github.com/xwiki/xwiki-platform Commit: 285319ac232fb0402e7d3e93baaa713996e18410 https://github.com/xwiki/xwiki-platform/commit/285319ac232fb0402e7d3e93baaa… Author: Sereza7 <lucas.charpentier(a)imt-atlantique.net> Date: 2023-12-01 (Fri, 01 Dec 2023) Changed paths: M xwiki-platform-core/xwiki-platform-ckeditor/xwiki-platform-ckeditor-ui/src/main/resources/CKEditor/ContentSheet.xml M xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/htmlheader.vm M xwiki-platform-core/xwiki-platform-web/xwiki-platform-web-templates/src/main/resources/templates/office.vm Log Message: ----------- XWIKI-21579: Invalid lang HTML Tag when "German (Germany)" locale is set (#2627) * Used the method from the java Locale object that's appropriate for our use case (cherry picked from commit bb19b6a21664b59ce8ccf77a508a08350fccc01c) (cherry picked from commit 887aa678ae39ed9eef285ee0c21faa1b8f4910e9)