Currently, the following types are supported:
.TP
\fB:armor\fR
-
Wrap a public key in ASCII armor.
.TP
+\fB:arraysize\fR
+Display number of elements in array tags.
+.TP
\fB:base64\fR
Encode binary data using base64.
.TP
\fB:perms\fR
Format file permissions.
.TP
+\fB:pgpsig\fR
+Display signature fingerprint and time.
+.TP
\fB:shescape\fR
Escape single quotes for use in a script.
.TP
\fB:triggertype\fR
Display trigger suffix.
+.TP
+\fB:xml\fR
+Wrap data in simple xml markup.
.PP
For example, to print only the names of the packages queried,
you could use \fB%{NAME}\fR as the format string.