To: Magus069 and MinusZero
Thanks for your help.
I have ruled out the use of PDF processors other than Adobe Acrobat or Reader because this has actually proved to seriously corrupt our forms.
From additional information I gathered from the user who experiences this weird form behavior, I now understand that:
1. the issue is not wide spread and it may actually user specific
2. however, his computer+Windows+PDF processor do not seem to be the issue: Lenovo X1 Tablet / Win 10 Enterprise 2016 / Adobe Acrobat X
3. The form behavior issue is not limited to one field but seams to appear on any multi-line text field, of which I don't think any includes custom script
4. It seems to happen after clipboard paste operations (especially from Word), but it’s not a pinpoint fact, definitely doesn’t happen all the time
I am now trying to figure out when this started happening, whether it is something introduced by a specific version of the form.
I must say it is a pretty complex form: many pages long, lots of scripts so I am reluctant rebuild the form from scratch, especially considering the user sees that as an annoyance rather than a true impediment.
Thanks again