Text widgets with the same name must share the same value

[calixteman]

Attach (recommended) or Link to PDF file here:
multiple.pdf

Steps to reproduce the problem:

1. Write something in a field

What is the expected behavior? (add screenshot)
The 3 fields must have the same value

What went wrong? (add screenshot)
The 2 other fields are empty

The three fields share the same name Text3.
It works as expected in Adobe and Chrome.

[calixteman]

For information, in the pdf in #13269, there are such text widgets.

[timvandermeij]

For future reference, this is the part of the spec that seems to describe this behavior: https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf#page=442&zoom=auto,-215,555