[x3d-public] Metadata tooltips for X3D 4.0

[Andreas Plesch]

The tooltips for Metadata nodes mention in a warning that in X3D 4.0
the default value for the containerField attribute changed to 'value'
but actual description of the attribute still has 'metadata' as the
default value:

https://www.web3d.org/x3d/content/X3dTooltips.html#MetadataString.containerField

is an example but all Metadata node tooltips are affected.

-Andreas

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Andreas Plesch
Waltham, MA 02453