Warichu
| Description | Denotes inline annotations or side comments that appear in a smaller type, typically used to offer additional explanation or commentary, especially in Japanese typography. |
|---|---|
| Namespace | 1.7 2.0 |
| Category | inline |
Attributes
Specifies how the element is placed relative to surrounding content (e.g., block-level or inline flow).
Defines the direction of text flow (e.g., left-to-right, right-to-left, or vertical).
Sets the background color for the element’s content area.
Specifies the color of the border around the element.
Indicates the style of the border (e.g., solid, dashed, dotted).
Defines the thickness of the border line in user space units (such as points).
Determines the space between the element’s border (or boundary) and its inner content.
Applies the primary color (fill or stroke) for the text or graphic content.
Main indicator of type. This semantic association allows tools to present and support interaction with the object in a manner that is consistent with user expectations about other objects of that type.
Differences
Well tagged PDF:
The 'Warichu' element in Well-Tagged PDF is used to denote interlinear annotations typically found in East Asian texts. It provides supplemental commentary or pronunciation guides in a reduced size, positioned adjacent to the main text.
It should be clearly associated with the corresponding base text and properly nested within the structure tree to ensure accurate content extraction and reflow.
PDFUA:
In PDF/UA, the 'Warichu' element ensures that supplementary annotations are accessible, allowing users to access additional information, such as pronunciation or commentary, in a structured manner.
It must be tagged with clear associations to its base text and include alternative text if needed, so that assistive technologies can interpret and relay the annotation effectively.
Use cases
Tag Relationships
Permitted Child Tags
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Related Matterhorn Protocol checkpoints
- Tags are not in logical reading order.
- Structure elements are nested in a semantically inappropriate manner. (e.g. a table inside a heading).
- The structure type (after applying any role-mapping as necessary) of a structure element is not semantically appropriate.
- A Warichu-related structure element is used in a way that does not conform to Table 338 in ISO 32000-1.