[apparmor] [patch] Document empty quotes ("") as empty value of a variable

[Christian Boltz]

Hello,

$subject.


[ document-empty-quotes-in-variables.diff ]

=== modified file 'parser/apparmor.d.pod'
--- parser/apparmor.d.pod       2015-08-25 11:27:18 +0000
+++ parser/apparmor.d.pod       2015-11-15 19:40:58 +0000
@@ -1220,7 +1220,8 @@
 
 The parser will automatically expand variables to include all values
 that they have been assigned; it is an error to reference a variable
-without setting at least one value.
+without setting at least one value. You can use empty quotes ("") to
+explicitly add an empty value.
 
 At the time of this writing, the following variables are defined in the
 provided AppArmor policy:


Regards,

Christian Boltz
-- 
"The day Microsoft makes something that doesn't suck is probably
 the day they start making vacuum cleaners."  [Ernst Jan Plugge]