# The previous post has been updated

> A site update notification.

FYI, the previous post, '[Extend-the-end: a deep-dive](/22.00.0133/)' has been updated.

Added:

- Pattern 1 > [Example](/blog/0133-extend-the-end-deep-dive/#example).
- Pattern 1 > [Folders in your filesystem](/blog/0133-extend-the-end-deep-dive/#folders-in-your-filesystem).
- Pattern 2 > [Date as short code](/blog/0133-extend-the-end-deep-dive/#date-as-short-code).
- Pattern 2 > [Double-chain short codes](/blog/0133-extend-the-end-deep-dive/#double-chain-short-codes).
- [Pattern 3](/blog/0133-extend-the-end-deep-dive/#pattern-3-use-it-to-store-notes-outside-your-main-system).