### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: formatter/org/eclipse/jdt/core/formatter/IndentManipulation.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/formatter/org/eclipse/jdt/core/formatter/IndentManipulation.java,v
retrieving revision 1.8
diff -u -r1.8 IndentManipulation.java
--- formatter/org/eclipse/jdt/core/formatter/IndentManipulation.java	27 Jun 2008 16:04:12 -0000	1.8
+++ formatter/org/eclipse/jdt/core/formatter/IndentManipulation.java	14 Jul 2009 19:54:04 -0000
@@ -68,16 +68,17 @@
 	 * @return the number of indentation units that line is indented by
 	 * @exception IllegalArgumentException if:
 	 * <ul>
-	 * <li>the given <code>indentWidth</code> is lower or equals to zero</li>
+	 * <li>the given <code>indentWidth</code> is lower than zero</li>
 	 * <li>the given <code>tabWidth</code> is lower than zero</li>
 	 * <li>the given <code>line</code> is null</li>
 	 * </ul>
 	 */
 	public static int measureIndentUnits(CharSequence line, int tabWidth, int indentWidth) {
-		if (indentWidth <= 0 || tabWidth < 0 || line == null) {
+		if (indentWidth < 0 || tabWidth < 0 || line == null) {
 			throw new IllegalArgumentException();
 		}
 
+		if (indentWidth == 0) return 0;
 		int visualLength= measureIndentInSpaces(line, tabWidth);
 		return visualLength / indentWidth;
 	}