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Add "empty functions" to commonly overlooked edge cases #6023

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merged 1 commit into from Apr 18, 2022
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Add "empty functions" to commonly overlooked edge cases #6023

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1 change: 1 addition & 0 deletions docs/developer-guide/rules.md
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Expand Up @@ -130,6 +130,7 @@ You should ask yourself how does your rule handle:
- variables (e.g. `var(--custom-property)`)?
- CSS strings (e.g. `content: "anything goes";`)?
- CSS comments (e.g. `/* anything goes */`)?
- empty functions (e.g. `var()`)?
- `url()` functions, including data URIs (e.g. `url(anything/goes.jpg)`)?
- vendor prefixes (e.g. `@-webkit-keyframes name {}`)?
- case sensitivity (e.g. `@KEYFRAMES name {}`)?
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