console_codes.4: Update \e[38m and \e[48m

Supported since cec5b2a97a11ade56a701e83044d0a2a984c67b4 (3.16).

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man4/console_codes.4 b/man4/console_codes.4
index d23f835261836e221ce0d2fa0a9f95befa58e38e..808ff02567af1ee8ccd85a3d7879bd2873ec8578 100644 (file)
--- a/man4/console_codes.4
+++ b/man4/console_codes.4
@@ -271,8 +271,8 @@ T}
 35     set magenta foreground
 36     set cyan foreground
 37     set white foreground
-38     set underscore on, set default foreground color
-39     set underscore off, set default foreground color
+38     256/24-bit foreground color follows, shoehorned into 16 basic colors
+39     set default foreground color
 40     set black background
 41     set red background
 42     set green background
@@ -281,9 +281,20 @@ T}
 45     set magenta background
 46     set cyan background
 47     set white background
+48     256/24-bit background color follows, shoehorned into 8 basic colors
 49     set default background color
 .TE
 .PP
+Commands 38 and 48 require further arguments:
+.TS
+l l.
+;5;x   T{
+256 color: values 0..15 are IBGR (black, red, green, ... white),
+16..231 a 6x6x6 color cube, 232..255 a grayscale ramp
+T}
+;2;r;g;b       24-bit color, components go 0..255
+.TE
+.PP
 .B ECMA-48 Mode Switches
 .TP
 ESC [ 3 h