51 commits

Author	SHA1	Message	Date
Sam Wilson	411be83bc3	Add toggle button and two-pane layout for realtime preview ... * Toolbar button to toggle a two-pane layout on and off. * Resizable bar for the width of the two panes. * Resizable bar for the edit box height, even when realtime preview is off. * Only enabled when $wgWikiEditorRealtimePreview = true. * Fires JS hooks when enabled, resized, and disabled. Bug: T293347 Change-Id: Id09d44519249c0b7f5c33d48d524b7c92a5a9106	2022-03-13 07:28:01 +08:00