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[CssSelector] tweaked README file (closes #8287)

This commit is contained in:
Fabien Potencier 2013-06-17 09:15:51 +02:00
parent 46cb3b8095
commit caaaec3155
1 changed files with 9 additions and 12 deletions
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21
src/Symfony/Component/CssSelector/README.md
View File

@ -13,24 +13,21 @@ equivalents:
HTML and XML are different
--------------------------
- The `CssSelector` component comes with an `HTML` extension which is enabled by default.
- If you need to use this component with `XML` documents, you have to disable `HTML` extension.
- `HTML` tag & attribute names are always lower-cased, with `XML` they are case-sensistive.
Disable & enable `HTML` extension:
The `CssSelector` component comes with an `HTML` extension which is enabled by
default. If you need to use this component with `XML` documents, you have to
disable this `HTML` extension. That's because, `HTML` tag & attribute names
are always lower-cased, but case-sensitive in `XML`:
// disable `HTML` extension:
CssSelector::disableHtmlExtension();
// re-enable `HTML` extension:
CssSelector::enableHtmlExtension();
What brings `HTML` extension?
- Tag names are lower-cased
- Attribute names are lower-cased
- Adds following pseudo-classes:
- `checked`, `link`, `disabled`, `enabled`, `selected`: used with form tags
- `invalid`, `hover`, `visited`: always select nothing
- Adds `lang()` function
When the `HTML` extension is enabled, tag names are lower-cased, attribute
names are lower-cased, the following extra pseudo-classes are supported:
`checked`, `link`, `disabled`, `enabled`, `selected`, `invalid`, `hover`,
`visited`, and the `lang()` function is also added.
Resources
---------