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rgachuhi
approved these changes
Feb 19, 2026
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Conversion of some elements (jmol applet, command buttons, side-by-side materials containing activities) could give rise to iframes or paragraphs nested within paragraphs. This is illegal block nesting. While there was code that attempted to clean it up, some instances were not getting cleaned up correctly by existing code sequence, causing missing elements in the presentation in authoring where content normalization is applied.
This PR corrects by moving the cleanup step to the end of the restructuring pass, to ensure it happens after all restructuring that might introduce invalid block nesting.