⟨b.ylw⟩warning: tabstop
⟨blu⟩  --> foo.proto:6:9
⟨blu⟩   |
⟨blu⟩ 6 | ⟨reset⟩        field
⟨blu⟩   | ⟨b.blu⟩--------⟨b.ylw⟩^^^^^ ⟨b.ylw⟩this is in front of some tabstops
⟨blu⟩   |  ⟨b.blu⟩|
⟨blu⟩   |  ⟨b.blu⟩specifically these
⟨reset⟩
⟨b.ylw⟩warning: partial tabstop
⟨blu⟩  --> foo.proto:7:2
⟨blu⟩   |
⟨blu⟩ 7 | ⟨reset⟩    field
⟨blu⟩   | ⟨b.blu⟩-⟨b.ylw⟩^^^ ⟨b.ylw⟩tabstop
⟨blu⟩   | ⟨b.blu⟩|
⟨blu⟩   | ⟨b.blu⟩spaces
⟨reset⟩
⟨b.ylw⟩encountered 2 warnings
⟨reset⟩