But a button on a portal row in a portal that has the option for "Allow deletion of portal records" un-checked.
Click the same button, and the hit your delete key.
"Permanetly delete this one related record?"
And yes, saying Delete to this unextected dialog box, will do so.
This issue has previously been described here:
https://fmdev.filemaker.com/message/66725 - in January 2012
http://forums.filemaker.com/posts/be0363fec5 - in April 2010
The problem is not fixed in 12.0v4 and occures in a file converted from 12 to 13, this is if the layout is not edited in 13.
If a file is created in 13, or as soon as a layout in a converted file is edited (in 13) we're all good.
I am aware of a number of acceptable work-arounds for this, but I do consider it to be a risky one when it comes to data integrety.
Tested on Mac OS 10.8.5, FMPA 12.0v4 and FMPA 13.0v1.
Message was edited by: Swedenborg. Bad spelling.