Emphasis mark support not interoperable
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- Dominant language
- HTML
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Description
This issue is applicable to Japanese & Chinese, in particular.
Chinese and Japanese have a native way of indicating emphasis for short ranges of inline text which involves placing a small mark above or below the characters being emphasised in horizontal text, and to the right/left in vertical text.
The actual marks used vary, depending on author preference, although some marks are more common in vertical text and others in horizontal. Typically, dots, circles, or 'sesame seed' shapes are used.
The following illustrates this:

For more details, see this GitHub issue, which is being used to track this gap.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the linked w3c/jlreq issue #173 and the surrounding Chinese Text Layout requirements to identify the interoperability gap. The issue names no repository files or tests, so the required change and completion criteria would need to be established before implementation.
Written by the indexing model from the issue text.
Assessment
- Domain
- internationalization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100