Inform

1. news
2. if
   1. interactive fiction
   2. interpreters
   3. anthology
   4. standards
3. learn
   1. learn
   2. movies
   3. manuals
   4. Complete Examples
   5. support
   6. changes
   7. papers
4. download
5. write
   1. write
   2. collaborate
   3. extensions
   4. test
   5. publish
6. teach
   1. teach
   2. Resources by Grade
   3. Resources by Subject
7. contribute
   1. contribute
   2. extensions
   3. report
8. sources
   1. Architecture
   2. Interfaces
   3. Inweb
   4. Webs
   5. I6N

Landmark Events

version 2 by Jon Ingold

Provides a system for tracking events which have occured, and testing how recently they occured. Also includes some simple phrases for comparing times.

You can do three things here:

1. Download this extension,
2. View its documentation, or
3. View its source code.