I was looking at 兩餸飯 in ABC Canto when I found that the simplified version of 餸 could not be directly interacted with. It looks like CJKV Ext. characters are unselectable.
I was able to work around it by selecting 两 and then sliding the selector just to highlight simp. 餸 only.
I was able to work around it by selecting 两 and then sliding the selector just to highlight simp. 餸 only.