0.1.2   2021-02-22  Released-By: PERLANCAR; Urgency: low

	- No spec changes.

	- Fix example, typos.

	- Revise some wording, add description.


0.1.1   2021-02-21  Released-By: PERLANCAR; Urgency: low

	- No spec changes.

        - In Declaring Features section, mention about required features that
          must be declared by user module.

	- Fix wording, typos, formatting.


0.1.0   2021-02-21  Released-By: PERLANCAR

        - First release.
