Module - WYSIWYG Filter

The WYSIWYG Filter module provides an input filter that allows site administrators configure which HTML elements, attributes and style properties are allowed. It also may add rel="nofollow" to posted links based on filter options. It can do so with no additional parsing on user input. That is, it may apply nofollow rules while parsing HTML elements and attributes.
The filter is based on whitelists that can be defined from the filter settings panel. Rules for HTML element and attributes are defined using the same syntax of the TinyMCE valid_elements option.

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