kiss.1: update

FossilOrigin-Name: 8b133330d31e9ab066ef018d10edb90aa3c4b52cc1594e58c2787b2288e6aeeb

man/kiss.1

@@ -7,7 +7,7 @@ written in POSIX sh. Forked from KISS Linux.
 .PP
 .SH SYNOPSIS
 .IP kiss
-[a|b|c|f|i|l|r|s|u|v] [pkg] [pkg] [pkg]
+[a|b|c|e|f|i|l|r|s|u|v] [pkg] [pkg] [pkg]
 .PP
 .SH OPTIONS
 .TP
@@ -17,6 +17,8 @@ written in POSIX sh. Forked from KISS Linux.
 .TP
 \fBchecksum\fR     Generate checksums
 .TP
+\fBextension\fR    List available kiss extensions
+.TP
 \fBfetch\fR        Fetch repositories
 .TP
 \fBinstall\fR      Install a package
@@ -160,6 +162,16 @@ Unset by default.
 .IP
 export KISS_PID=
 .PP
+.SS ENABLING/DISABLING COLOUR
+
+If run in a subshell, \fBKISS\fR disables colour output. However, this behaviour
+can be overriden. If a user defines a \fIKISS_COLOUR\fR environment value, it will
+be enabled or disabled globally
+.IP
+export KISS_COLOUR=1 # Enables globally
+.IP
+export KISS_COLOUR=0 # Disables globally
+.PP
 .SH ALTERNATIVES SYSTEM
 When a package with conflicts is installed the conflicting
 files will be added as "choices" to the alternatives system.