Hi Montasir,
Thank you for your
interest in Syncfusion products
We are not able to reproduce
the mention font preservation while modifying field value. For your reference
please find the sample that we have used to reproduce the mention issue from
the attachment.
Could you please
provide us the runnable sample along with input document to reproduce the mentioned issue and the details of your current DocIO version? So that we can
analyse on the exact cause of the issue and provide you the proper solution.
Regards
Ramkumar
Sample_2bf08d07.zip