5.11.4 The language pseudo-class: :lang

Chapter 5 - Selectors - 5.11.4 The language pseudo-class: :lang

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lang-pseudoclass-001 (HTMLonly)

:lang pseudoclass
:lang pseudoclass in HTML should not be case-sensitive, and match a substring

lang-pseudoclass-002 (nonHTML)

:lang pseudoclass
:lang pseudoclass in XHTML should be case sensitive, and match a substring

lang-selector-001

Selectors :lang pseudo-class
The :lang pseudo-class selector matches any element with a matching lang attribute.

lang-selector-002 (invalid)

Empty :lang selector
Language identifier cannot be empty.

lang-selector-003

Invalid language name for :lang selector
The language identifier in the :lang selector doesn't have to be a valid language name.

lang-selector-004

Inherited lang attribute selected
Lang attribute is inherited and lang selector works on children.

lang-selector-005 (http)

Lang selector and document language set via server's content-language
Lang attribute is selectable when specified by HTTP header.

lang-selector-006

Lang selector and document language set via meta tag
Lang attribute is selectable when specified in a meta tag.