[456057] Additional confirmatory test
[unrelated] Regenereate usng M4 EMF
[ocl25] Promote CSI to ElementCS
[unrelated] Make look retry a .option
[ocl25] Introduce a true CSI implementation
[ocl25] Add test for OCL stdlib editing
[ocl25] Avoid use of stale type when resolving specialization
[releng] Reintroduce old promoted plugins by dummies
[releng] Add old promoted plugins to build
[releng] Ensure src exists