Coloring files of the same file-type is my favorite feature. Is the extension used to group them or a MIME-header parser? I guess the extension, since it is faster.

▲ Symbiote a year ago | parent [-]

This is also part of GNU ls, at least.

  man dir_colors

I think.

	▲	johnisgood a year ago \| parent [-]
		You are right.