text-spacing-trim 的 trim-both 和 trim-start 属性
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i:spacing
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Description
trim-both:
每行开头的全角起始括号/引号使用半角字形，每行结尾的全角结束括号/引号使用半角字形。挤压连续标点符号。
trim-start:
每行开头的全角起始括号/引号使用半角字形，其他情况和normal相同。
normal:
每行开头的全角起始括号/引号使用全角字形。如果在两端对齐之前标点在每行末尾放不下，则把行尾的结束括号/引号变为半角。如果能放下，则使用全角字形。挤压连续标点符号。
大部分时候，trim-both似乎比trim-start更有用。trim-start是否有可以用到的地方？
感谢 @realfish 指出这个问题。
CSSWG issue: https://github.com/w3c/csswg-drafts/issues/13779
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 CSSWG issue 13779 and compare its discussion with the trim-both, trim-start, and normal behaviors described here. Done means reaching a clear conclusion about practical uses for trim-start and documenting or forwarding that conclusion to the relevant Chinese text layout requirements discussion.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- internationalization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100