[semidet,multifile]prolog:message_line_element(+Stream,
+Term)Hook implementation that deals with ansi(+Attr, +Fmt, +Args)
in message specifications.
prolog:message_line_element(+Stream,
+Term)This hook is called to print the individual elements of a message from
print_message_lines/3.
This hook is used by e.g., library
library(ansi_term)
to colour messages on ANSI-capable
terminals.