[gtk] (12 commits) Created branch wip/otte/nodeeditor

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/nodeeditor' was created.

Summary of new commits:

  e520a80... testsuite: Port gl tests to text-based format
  82fb490... Parse render nodes from text files
  b3d8b95... renderer: Remove display property
  639d284... renderer: Make gsk_renderer_is_realized() public
  7208531... revealer: Always use identity transform for revealed child
  16c4216... magnifier: Add renderings with alternative renderers
  b0e0514... singleselection: Add forgotten notify emission
  4a3ae55... xxx: rendererpaintable
  145aac7... Add GtkDiffPaintable and use it in the magnifier
  2c5fa61... paned: Refactor
  c722265... paned: hide the handle widget when <2 children are visible
  c17d5f2... Add gtk4-node-editor