Multiple Colored Plot Title — multi

Make multiple colored base plot title.

multi_title(...)

multi_color_title(color_vec, text_vec, sep = ", ")

multi_color_multi_line_title(color_vec, text_vec, sep = "\n\n")

Arguments

...	Color and text interwoven in order. See example. Note some spaces need to be placed around text.
color_vec	Vector of colors. Should have same length with `text_vec`
text_vec	Vector of text segments. Will have the cooresponding color in `color_vec`.
sep	Separator to be placed among the text segments

multi_title: The original function taken from mailing list by Barry Rowlingson. The only change is the NULL return value was made invisible.
multi_color_title: Instead of taking interwoven color and text input, color vector and text vector are used.
multi_color_multi_line_title: Place each text segment in a new line.

plot(1, 2)
multi_title(color="red", "Traffic",
           color="orange", " light ",
           color="green", "signal")