Default:
Expand the Paste Mask by 10mil:
Set the Paste Mask Expansion to **-**10mil:
Paste Mask resets to the default value of 0mil expansion BUT the indicated value of the expansion attribute remains at 10mil:
Default:
Expand the Paste Mask by 10mil:
Set the Paste Mask Expansion to **-**10mil:
Paste Mask resets to the default value of 0mil expansion BUT the indicated value of the expansion attribute remains at 10mil: