mapbox/tilemill — Issue #1095: Custom image format dropbox not working
Author: willwhite
Created: 2012-01-06 21:21:10+00:00
State: open

When you chose "Custom" in the image format dropdown and specify a custom string, that string is not saved in the project file. Setting it manually in the project file result in it being displayed properly in the UI, so I think there is just a problem that occurs during saving.