[udev] man page with included placeholder list

[Kay Sievers <kay.sievers@vrfy.org>]

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06-udev.8-placeholder.diff
  mention the printf-like support for string substitution in the NAME field

thanks,
Kay

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--- ../udev/udev.8	2003-11-18 02:19:33.000000000 +0100
+++ udev.8	2003-11-19 04:19:03.000000000 +0100
@@ -72,6 +72,23 @@
 .br
 keys: \fBBUS\fP, \fBPROGRAM\fP, \fBID\fP
 .P
+The name field supports simple printf-like string subtitution:
+.RS
+.TP
+.B %n
+the "kernel number" of the device
+for example, 'sda3' has a "kernel number" of '3'
+.TP
+.B %M
+the kernel major number for the device
+.TP
+.B %m
+the kernel minor number for the device
+.TP
+.B %b
+the bus id for the device
+.RE
+.P
 A sample \fIudev.conf\fP might look like this:
 .sp
 .nf
@@ -89,6 +106,9 @@
 
 # if /sbin/scsi_id returns "OEM 0815" device will be called disk1
 CALLOUT, PROGRAM="/sbin/scsi_id" BUS="scsi", ID="OEM 0815" NAME="disk1"
+
+# USB webcams to be called webcam0, webcam1, ...
+LABEL, BUS="usb", model="WebCam Version 3", NAME="webcam%n"
 .fi
 .P
 Permissions and ownership for the created device files may specified at