Valid Lang Attributes

Checks that all lang attributes on the page have valid values


Rule ID	`a11y/valid-lang`
Category	Accessibility
Scope	Per-page
Severity	warning
Weight	5/10

Solution

All lang attributes should use valid BCP 47 language tags. This includes lang attributes on any element, not just <html>. Use lang to mark up content in a different language from the page default.

Enable / Disable

Disable this rule

squirrel.toml

toml

[rules]
disable = ["a11y/valid-lang"]

Disable all Accessibility rules

squirrel.toml

toml

[rules]
disable = ["a11y/*"]

Enable only this rule

squirrel.toml

toml

[rules]
enable = ["a11y/valid-lang"]
disable = ["*"]

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