1.1 --- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Tue Apr 29 16:22:23 2014 +0200
     1.2 +++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Tue Apr 29 16:28:06 2014 +0200
     1.3 @@ -366,6 +366,7 @@
     1.4          int topMostLabel = 0;
     1.5          for (int i = 0; i < byteCodes.length; i++) {
     1.6              int prev = i;
     1.7 +            outChanged = false;
     1.8              stackMapIterator.advanceTo(i);
     1.9              boolean changeInCatch = trap.advanceTo(i);
    1.10              if (changeInCatch || lastStackFrame != stackMapIterator.getFrameIndex()) {
    1.11 @@ -1338,7 +1339,9 @@
    1.12              if (debug(" //")) {
    1.13                  generateByteCodeComment(prev, i, byteCodes);
    1.14              }
    1.15 -            append("\n");            
    1.16 +            if (outChanged) {
    1.17 +                append("\n");
    1.18 +            }
    1.19          }
    1.20          if (previousTrap != null) {
    1.21              generateCatch(previousTrap, byteCodes.length, topMostLabel);