### Eclipse Workspace Patch 1.0
#P org.eclipse.pde.build
Index: src_ant/org/eclipse/pde/internal/build/tasks/IdReplaceTask.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.pde.build/src_ant/org/eclipse/pde/internal/build/tasks/IdReplaceTask.java,v
retrieving revision 1.31.4.2
diff -u -r1.31.4.2 IdReplaceTask.java
--- src_ant/org/eclipse/pde/internal/build/tasks/IdReplaceTask.java	20 Aug 2007 15:02:51 -0000	1.31.4.2
+++ src_ant/org/eclipse/pde/internal/build/tasks/IdReplaceTask.java	2 Oct 2007 18:06:52 -0000
@@ -243,7 +243,7 @@
 			}
 
 			startVersionId++;
-			String replacementVersion = null;
+			String replacementVersion = "";
 			Version v = new Version(new String(versionId));
 			String lookupKey = new String(elementId) + ':' + v.getMajor() + '.' + v.getMinor() + '.' + v.getMicro();
 			if (isPlugin) {
@@ -251,13 +251,14 @@
 			} else {
 				replacementVersion = (String) featureIds.get(lookupKey);
 			}
+			int change = 0;
 			if (replacementVersion == null) {
 				System.err.println("Could not find " + new String(elementId)); //$NON-NLS-1$
 			} else {
 				buffer.replace(startVersionId, endVersionId, replacementVersion);
 				contentChanged = true;
+				change = endVersionId - startVersionId - replacementVersion.length();
 			}
-			int change = endVersionId - startVersionId - replacementVersion.length();
 			startElement = (endElementId > endVersionId) ? endElementId - change: endVersionId - change;
 		}