Pass through the current document when available, otherwise
assume the current surface's document.
Also add a getter for getPageName, so that can vary based
on the target document.
Bug: T193856
Change-Id: Ifdc951fdc6a43b924d102e3fcd7e59e52023757b
The duplicate header, especially the duplicate elements with identical
IDs, were difficult to handle for other scripts.
Now instead of hiding the entire wikitext diff, we only hide the
"content" rows but keep the header, and adjust our attributes on the
header back-and-forth when switching diff modes.
Bug: T192755
Change-Id: I3a6bb4730fefd81f533b786ec3b20241c4cb8d13
This also removes an undeclared dependency on mediawiki.Uri.
Bug: T169574
Depends-On: Ic4abaae6e9c74509f7a114a697cdbb78dd1b89b6
Change-Id: I76803da5f1a52171a1af8de1f3e31ea127a2da78
Only shown if VisualEditorEnableDiffPage is set, or query
string param 'visualdiff' is present.
Currently:
* All VE javascript is loaded (could be cut down to just DM code)
* The entire Parsoid HTML of both revisions being compared is loaded
* Both Parsoid HTML docs are parsed into VE DM trees and diffed
Bug: T167508
Change-Id: I151fc9bab3d3032f50c8d11be6b54e45a06fcc34
