This section covers notes relating to deprecated usage - i.e. usage no longer recommended. In other words, things you may be able to do but shouldn't. This could be for one of more of these reasons:
- The feature has been removed - no longer supported at all.
- The feature has been replaced. Legacy support may continue but should not be assumed - update to the new syntax.
- The feature doesn't work properly or in contexts deprecated may not give expected outcome.
Deprecated aspects are: