3 summary = activate color output
5 arg_info = required_arg
7 values = {COLOR_YES = "yes", COLOR_NO = "no", COLOR_AUTO = "auto"}
10 summary = select a color for one type of log message
12 arg_info = required_arg
16 The format of <color_spec> is [<fg> [<bg>]] [<attr>].
18 Valid colors for <fg> and <bg> are "normal", "black", "red", "green",
19 "yellow", "blue", "magenta", "cyan", and "white".
21 The <attr> value must be one of "bold", "dim", "ul", "blink",
26 --log-color "debug:green"
27 --log-color "info:yellow bold"
28 --log-color "notice:white red bold"