In the HTML, remove all occurrences of the bgcolor attribute.
In the HTML, change all occurrences of the text "#Supportlevels" in hyperlinks to "#SupportLevels".
Table B.3, Material node
Replace field names "specularColour" and "emissiveColour" with "specularColor" and "emissiveColor".
Append period to text in Minimum browser support column for the TriangleSet row.