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+Pigeonhole Sieve: Variables Extension
+=====================================
+
+The Sieve *variables* extension (RFC5229 [http://tools.ietf.org/html/rfc5229/])
+adds the concept of variables to the Sieve language.
+
+Configuration
+=============
+
+The *variables* extension is available by default. The *variables* extension
+has its own specific settings. The following settings can be configured for the
+*variables* extension (default values are indicated):
+
+sieve_variables_max_scope_size = 255 (v0.5.0+) :
+  The maximum number of variables that can be declared in a scope. There are
+  currently two variable scopes: the normal script scope and the global scope
+  created by the "include" extension. The minimum value for this setting is
+  128.
+
+sieve_variables_max_variable_size = 4k (v0.5.0+) :
+  The maximum allowed size for the value of a variable. If exceeded at runtime,
+  the value is always truncated to the configured maximum. The minimum value
+  for this setting is 4000 bytes. The value is in bytes, unless followed by a
+  k(ilo).
+
+(This file was created from the wiki on 2019-06-19 12:42)