font-unicode-range.json 9.2 KB

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  1. {
  2. "title":"Font unicode-range subsetting",
  3. "description":"This @font-face descriptor defines the set of Unicode codepoints that may be supported by the font face for which it is declared. The descriptor value is a comma-delimited list of Unicode range (<urange>) values. The union of these ranges defines the set of codepoints that serves as a hint for user agents when deciding whether or not to download a font resource for a given text run.",
  4. "spec":"https://drafts.csswg.org/css-fonts/#unicode-range-desc",
  5. "status":"cr",
  6. "links":[
  7. {
  8. "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/unicode-range",
  9. "title":"MDN Web Docs - CSS unicode-range"
  10. },
  11. {
  12. "url":"https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariCSSRef/Articles/StandardCSSProperties.html#//apple_ref/css/property/unicode-range",
  13. "title":"Safari CSS Reference: unicode-range"
  14. },
  15. {
  16. "url":"https://www.webplatform.org/docs/css/properties/unicode-range",
  17. "title":"Web Platform Docs: unicode-range"
  18. },
  19. {
  20. "url":"http://jsbin.com/jeqoguzeye/1/edit?html,output",
  21. "title":"Demo"
  22. },
  23. {
  24. "url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6510254-unicode-range",
  25. "title":"Microsoft Edge feature request on UserVoice"
  26. }
  27. ],
  28. "bugs":[
  29. {
  30. "description":"Firefox 37- [ignores the descriptor](https://developer.mozilla.org/en-US/docs/Web/CSS/unicode-range#Browser_compatibility) and the at-rule is then applied to the whole range of code points."
  31. },
  32. {
  33. "description":"IE ignores the unicode-range if the U is lowercase e.g 'u+0061'."
  34. }
  35. ],
  36. "categories":[
  37. "CSS3"
  38. ],
  39. "stats":{
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  281. },
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  446. "and_chr":{
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  480. "kaios":{
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  483. },
  484. "notes":"Partial support indicates that unnecessary code-ranges are downloaded by the browser - see [browser test matrix](https://docs.google.com/a/chromium.org/spreadsheets/d/18h-1gaosu4-KYxH8JUNL6ZDuOsOKmWfauoai3CS3hPY/edit?pli=1#gid=0).",
  485. "notes_by_num":{
  486. "1":"Can be enabled in Firefox using the `layout.css.unicode-range.enabled` flag"
  487. },
  488. "usage_perc_y":94.53,
  489. "usage_perc_a":1.94,
  490. "ucprefix":false,
  491. "parent":"",
  492. "keywords":"font face,unicode,unicode-range",
  493. "ie_id":"",
  494. "chrome_id":"",
  495. "firefox_id":"",
  496. "webkit_id":"",
  497. "shown":true
  498. }