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Alan Agius
077f6b4674
Currently we are unsafely unquoting CSS values which in some cases causes valid values to become invalid and invalid values to become valid.
Example:
```html
<div style="width:"1px;""></div>
```
In the above case, `width` has an invalid value of `"1px"`, however the compiler will transform it to `1px` which makes it valid.
On the other hand, in the below case
```html
<div style="content:"foo""></div>
```
`content` has a valid value of `"foo"`, but since the compiler unwraps it to `foo` it becomes invalid. For correctness, we should not remove quotes.
```js
const div = document.createElement('div');
div.style.width='"1px"';
div.style.content='foo';
div.style.width; // ''
div.style.content; // ''
div.style.width='1px';
div.style.content='"foo"';
div.style.width; // '1px'
div.style.content; // '"foo"'
```
More information about values can be found https://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
PR Close #49460
Angular
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Usage information and reference details can be found in Angular documentation.
License: MIT