A Friday afternoon observation, and I haven't had a beer yet, but this is just weird. (Not expecting any responses, this is just the mutterings of a guy driven crazy!)
I created a plan detail using the detail tool. The plan from which this originated used Gridline objects. I copied multiple instances of the 2D details, including gridlines to show alternative situations. Now my (exploded) gridlines have disappeared from their original location and I can't do anything to get them back. If I draw a new line with the same linetype, when I go to the layout where the detail is placed (which looks ok) then back to the detail window, the lines disappear. If grouping is suspended and I copy the copies of the originals back to the original location, the lines disappear. If I copy a different line to the same location it stays, until I change the colour and linetype to the same as the original gridline, then they disappear.
Upon lots more experimentation I have found a solution, though: same linetype but different colour - disappears. Same colour but different linetype - HALLELUJAH it STAYS! So I will make do with a different linetype.
Further edit: If I move everything 100mm in both directions the line stays too, so I have my original linetype back.
Is it 4 o'clock yet?
Move along, nothing to see here folks.
