Hygienic macro

Hygienic macros are special kinds of computer program instructions which help to make sure your computer's programs and data stay clean and safe. The idea of hygiene in this context has to do with keeping things clean and avoiding contamination. When a computer program is created, it can often contain potentially dangerous code that can damage the system and lead to security issues. Hygienic macros make sure that those dangerous bits of code are removed, so that your computer can stay safe and healthy.