Nuance of the first sentence of 6.8.6 Writing suggestions #11894
Description
https://html.spec.whatwg.org/multipage/interaction.html#writing-suggestions
6.8.6 Writing suggestions
User agents offer writing suggestions as users type into editable regions, either in form controls (e.g., the textarea element) or in elements in an editing host.
Which of the following is the nuance of the above sentence?
- User agents MUST offer writing suggestions as......
- User agents SHOULD offer writing suggestions as......
- User agents are RECOMMENDED to offer writing suggestions as......
- User agents MAY support writing suggestions as......
- User agents can support writing suggestions as......
- Some user agents are offering writing suggestions as......