Add CSSLint rule to apply safecss_filter_attr()

WordPress / better-code-editing

[✅ Merged into 4.9-alpha] Better Code Editing WordPress plugin

https://wordpress.org/plugins/better-code-editing/

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Add CSSLint rule to apply safecss_filter_attr() #60

Closed westonruter closed 6 years ago

westonruter commented 7 years ago

The safecss_filter_attr() function is used by KSES to filter HTML style attributes, removing any properties that are illegal. This should be applied to CSS and style attributes in HTML, so that any illegal properties are flagged as such.

It seems that HTMLHint is not currently applying CSSLint to style attributes, but if it did, then a kses rule added to CSSLint could then apply to both HTML and CSS.

westonruter commented 6 years ago

Moved to Trac: https://core.trac.wordpress.org/ticket/41874