Pages containing missing references - allowed failures

The constraint GtGlamorousToolkitBookPagesContainingMissingReferences GtPharoConstraint subclass: #GtGlamorousToolkitBookPagesContainingMissingReferences instanceVariableNames: '' classVariableNames: '' package: 'GToolkit-Constraints' checks that pages to not reference missing code entities, like methods and classes.

In case a page should reference missing code entities that page can add a link to this page. Those pages will be ignored by the constraint. This can be the case for example when making tutorials.