docs: update i3status manpage

_docs/i3status.man

@@ -1,19 +1,19 @@
 i3status(1)
 ===========
 Michael Stapelberg <michael@i3wm.org>
-v2.14, November 2021
+v2.15, August 2024
 
 == NAME
 
 i3status - Generates a status line for i3bar, dzen2, xmobar or lemonbar
 
 == SYNOPSIS
 
-i3status [-c configfile] [-h] [-v]
+i3status [-c configfile] [-h] [-v] [--run-once]
 
 == OPTIONS
 
--c::
+-c --config::
 Specifies an alternate configuration file path. By default, i3status looks for
 configuration files in the following order:
 
@@ -22,6 +22,16 @@ configuration files in the following order:
 3. ~/.i3status.conf
 4. /etc/i3status.conf
 
+-h --help::
+Print the verison and a minimal syntax.
+
+-v --version::
+Print the version and any build configuration.
+
+--run-once::
+Only run once instead of looping.
+
+
 == DESCRIPTION
 
 i3status is a small program for generating a status bar for i3bar, dzen2,
@@ -77,6 +87,7 @@ battery 0 {
         status_bat = "🔋 BAT"
         status_unk = "? UNK"
         status_full = "☻ FULL"
+        status_idle = "☻ IDLE"
         path = "/sys/class/power_supply/BAT%d/uevent"
         low_threshold = 10
 }
@@ -225,9 +236,10 @@ disk "/" {
 === IPv6
 
 This module gets the IPv6 address used for outgoing connections (that is, the
-best available public IPv6 address on your computer).
+best available public IPv6 address on your computer) and the interface it is
+assigned to.
 
-*Example format_up*: +%ip+
+*Example format_up*: +%iface: %ip+
 
 *Example format_down*: +no IPv6+
 
@@ -374,7 +386,7 @@ the number indicates the battery index as reported in /sys.
 
 Optionally custom strings including any UTF-8 symbols can be used for different
 battery states. This makes it possible to display individual symbols
-for each state (charging, discharging, unknown, full)
+for each state (charging, discharging, unknown, full).
 Of course it will also work with special iconic fonts, such as FontAwesome.
 If any of these special status strings are omitted, the default (CHR, BAT, UNK,
 FULL) is used.