--- ./com.redhat.eclipse.cdt.autotools/src/com/redhat/eclipse/cdt/autotools/ui/editors/RecursiveSingleLineRule.java.fix	2007-05-01 17:53:06.000000000 -0400

+++ ./com.redhat.eclipse.cdt.autotools/src/com/redhat/eclipse/cdt/autotools/ui/editors/RecursiveSingleLineRule.java	2007-05-01 17:53:53.000000000 -0400

@@ -125,10 +125,12 @@ public class RecursiveSingleLineRule ext

 	}

 	public IToken evaluate(ICharacterScanner scanner, boolean resume) {

-		int column;

+		int column = scanner.getColumn();

+		// Check if we are at EOF, in which case rules don't hold

+		if (column < 0)

+			return Token.UNDEFINED;

 		if (!resume) {

 			evalIndex = 0;

-			column = scanner.getColumn();

 			// Check if we are within outer rule boundaries.

 			if (column >= endIndex || column < startIndex) {

 				// If not, then we should evaluate to see if the