McrUndoAction: Fix preview
authorBrad Jorsch <bjorsch@wikimedia.org>
Fri, 21 Sep 2018 14:43:48 +0000 (10:43 -0400)
committerBrad Jorsch <bjorsch@wikimedia.org>
Fri, 21 Sep 2018 14:50:03 +0000 (10:50 -0400)
commit2e345debf2382480ff2d02d9824524eb15521890
tree0fae2ed9148ddd4a088194cf2bfb75e913f3c81d
parent1de7117197761961736ea43b237599569eee93a2
McrUndoAction: Fix preview

Apparently DifferenceEngine::renderNewRevision() never really worked
right, it only functions when diffing *saved* revisions. Replace the
preview code with code adapted from EditPage::getPreviewText(), using
RevisionRenderer for the actual rendering.

Bug: T205101
Change-Id: I416ede84c8d10fc28866e608c9cfc3a2a7410e48
includes/actions/McrUndoAction.php
languages/i18n/en.json
languages/i18n/qqq.json