yams #83813 Generic mechanism to add meta attribute related to another [validation pending]
``RichString`` use a dedicated hack but a generic mechanism would be nicer
A good candidate for using such mechanism is the ``Bytes`` attribute which is often associated with ``_format`` and ``_name`` metadata | |
| priority | normal |
|---|---|
| type | enhancement |
| done in | 0.35.0 |
| load | 0.500 |
| load left | 0.000 |
| closed by | #4d25fa7c13d9 add a generic mechanisme to specify metadata (closes #83813) |