fansi.ErrorMode
Find the end of the unknown Ansi escape and skip over it's characters entirely, so no trace of them appear in the parsed fansi.Str.
Given an unknown Ansi escape was found at sourceIndex inside your raw: CharSequence, what index should you resume parsing at?
sourceIndex
raw: CharSequence
Find the end of the unknown Ansi escape and skip over it's characters entirely, so no trace of them appear in the parsed fansi.Str.