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We'd like to use colspan 3 on the table headers here https://www.drupal.org/node/3215948
Steps to reproduce
Proposed resolution
Allow colspan on th elements
Remaining tasks
User interface changes
API changes
Data model changes
Issue fork drupalorg-3219990
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Comments
Comment #2
larowlanActually it looks like we're not using wysiwyg_filter, just core's html_filter so attributes are probably off the table
Comment #3
drummD7 core doesn’t do a whole lot with arbitrary attributes, so we can allow this. It’s the CKEditor advanced content filter that is removing the attribute when you go back to edit content.
Comment #4
drummThis has been deployed.