Disable start-up warning messages about unknown options in .prism file.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@4478 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/prism/PrismSettings.java

@@ -609,6 +609,9 @@ public class PrismSettings implements Observer
 							}
 							else
 							{
+								// Warning for unused options disabled for now
+								// (it's a pain when you have lots of branches with lots of new options)
+								if (false) {
 									// Make sure this is not an old PRISM setting and if not print a warning
 									boolean isOld = false;
 									for (int i = 0; i < oldPropertyNames.length; i++) {
@@ -617,7 +620,9 @@ public class PrismSettings implements Observer
 											break;
 										}
 									}
-								if (!isOld) System.err.println("Warning: PRISM setting \""+key+"\" is unknown.");
+									if (!isOld)
+										System.err.println("Warning: PRISM setting \"" + key + "\" is unknown.");
+								}
 							}
 						}
 					}