Ignore all Comment=... rule parts

rules_shipping_base.php

@@ -707,6 +707,7 @@ class ShippingRule {
 			case 'shipping': $this->shipping = $value; $this->includes_tax = False; break;
 			case 'shippingwithtax': $this->shipping = $value; $this->includes_tax = True; break;
 			case 'name': $this->name = $value; break;
+			case 'comment': break; // Completely ignore all comments!
 			default: JFactory::getApplication()->enqueueMessage(JText::sprintf('VMSHIPMENT_RULES_UNKNOWN_VARIABLE', $var, $rulepart), 'error');
 		}
 	}