TinyMCE:Configuration/extended valid elements
From Moxiecode Documentation Wiki
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Option: extended_valid_elements
This option is very similar to valid_elements. The only difference between this option and valid_elements is that this one gets added to the existing rule set. This can be very useful if the existing rule set is fine but you want to add some specific elements that also should be valid.
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Example of usage of the extended_valid_elements option:
tinyMCE.init({
...
extended_valid_elements : "img[class|src|border=0|alt|title|hspace|vspace|width|height|align|onmouseover|onmouseout|name]"
});
Also see valid_elements and invalid_elements for more configuration options.
