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[Bug 1193] description of valid "bool" operator input excludes empty string
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http://bugs.exim.org/show_bug.cgi?id=1193

Phil Pennock <pdp@exim.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED




--- Comment #1 from Phil Pennock <pdp@exim.org> 2012-01-03 07:44:08 ---
Oops, thanks, good catch.

Fixed in commit 8ebb1c9ea93eb27500756a578640d890b53264d3.


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[Bug 1193] description of valid "bool" operator input excludes empty string [ In reply to ]
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http://bugs.exim.org/show_bug.cgi?id=1193

Git Commit <git@exim.org> changed:

What |Removed |Added
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CC| |git@exim.org




--- Comment #2 from Git Commit <git@exim.org> 2012-01-03 08:17:05 ---
Git commit:
http://git.exim.org/exim.git/commitdiff/8ebb1c9ea93eb27500756a578640d890b53264d3

commit 8ebb1c9ea93eb27500756a578640d890b53264d3
Author: Phil Pennock <pdp@exim.org>
AuthorDate: Tue Jan 3 02:41:57 2012 -0500
Commit: Phil Pennock <pdp@exim.org>
CommitDate: Tue Jan 3 02:41:57 2012 -0500

bool{} is false for empty strings

fixes bug 1193
reported by Jasen Betts.
---
doc/doc-docbook/spec.xfpt | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 951cd52..12d8137 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -9871,7 +9871,10 @@ zero.
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 and trailing whitespace is ignored.
+false if zero.
+An empty string is treated as false.
+Leading and trailing whitespace is ignored;
+thus a string consisting only of whitespace is false.
All other string values will result in expansion failure.

When combined with ACL variables, this expansion condition will let you


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