-. $Cambridge: exim/doc/doc-docbook/spec.xfpt,v 1.84 2010/06/07 08:23:20 pdp Exp $
+. $Cambridge: exim/doc/doc-docbook/spec.xfpt,v 1.85 2010/06/07 08:42:15 pdp Exp $
.
. /////////////////////////////////////////////////////////////////////////////
. This is the primary source of the Exim Manual. It is an xfpt document that is
This condition turns a string holding a true or false representation into
a boolean state. It parses &"true"&, &"false"&, &"yes"& and &"no"&
(case-insensitively); also positive integer numbers map to true if non-zero,
-false if zero. Leading whitespace is ignored.
+false if zero. Leading and trailing whitespace is ignored.
All other string values will result in expansion failure.
When combined with ACL variables, this expansion condition will let you
where &%bool%& accepts a strict set of strings, &%bool_lax%& uses the same
loose definition that the Router &%condition%& option uses. The empty string
and the values &"false"&, &"no"& and &"0"& map to false, all others map to
-true.
+true. Leading and trailing whitespace is ignored.
Note that where &"bool{00}"& is false, &"bool_lax{00}"& is true.