bisect: build a displayer only once
There is multiple spot using this, building it early will help to extract more
of the logic into the bisect module.
# See http://EditorConfig.org for the specificationroot = true[*.py]indent_size = 4indent_style = spacetrim_trailing_whitespace = true[*.{c,h}]indent_size = 8indent_style = tabtrim_trailing_whitespace = true