I was laying out a number keypad of UIButtons. I gave a button a 1:1 aspect 
ratio constraint, and set up a few other constraints. Then I option-dragged it. 
The aspect ratio constraint was copied with it, and I created additional 
external constraints (e.g. next to the previous button, same height, same 
bottom). I did this for all the digits 0-9.

Then I noticed that many of the buttons had multiple 1:1 aspect ratio 
constraints. I figured IB has a bug that it was creating more than one each 
time I option-drag-copied them. No biggie, I selected the redundant ones and 
deleted them.

Only they didn't delete, they turned grey (i.e. disabled), and still exist.

What's going on?

-- 
Rick Mann
rm...@latencyzero.com



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