svn commit: r832937 - /ant/core/trunk/WHATSNEW

[jg...@apache.org]

Author: jglick
Date: Thu Nov  5 00:45:29 2009
New Revision: 832937

URL: http://svn.apache.org/viewvc?rev=832937&view=rev
Log:
Noting new if/unless behavior.

Modified:
    ant/core/trunk/WHATSNEW

Modified: ant/core/trunk/WHATSNEW
URL: http://svn.apache.org/viewvc/ant/core/trunk/WHATSNEW?rev=832937&r1=832936&r2=832937&view=diff
==============================================================================
--- ant/core/trunk/WHATSNEW (original)
+++ ant/core/trunk/WHATSNEW Thu Nov  5 00:45:29 2009
@@ -4,6 +4,15 @@
 Changes that could break older environments:
 -------------------------------------------
 
+ * if and unless attributes (on <target> as well as various tasks and other
+   elements) have long permitted ${property} interpolation. Now, if the result
+   evaluates to "true" or "false" (or "yes", "no", "on", "off"), that boolean
+   value will be used; otherwise the traditional behavior of treating the value
+   as a property name (defined ~ true, undefined ~ false) is used. Existing
+   scripts could be broken if they perversely defined a property named "false"
+   and expected if="false" to be true, or used if="true" expecting this to be
+   triggered only if a property named "true" were defined.
+
  * Ant now requires Java 1.4 or later.
 
  * Improved handling of InterruptException (lets suppose someone/thing