gistfile1.diff

Index: sapphire/core/model/SiteTree.php
===================================================================
--- sapphire/core/model/SiteTree.php	(revision 100671)
+++ sapphire/core/model/SiteTree.php	(working copy)
@@ -1313,6 +1313,14 @@
 		
 		$this->syncLinkTracking();
 
+		// Check to see if we've only altered fields that shouldn't affect versioning
+		$fieldsIgnoredByVersioning = array('HasBrokenLink', 'Status', 'HasBrokenFile', 'ToDo');
+		$changedFields = array_keys($this->getChangedFields(false, 2));
+		if(!array_diff($changedFields, $fieldsIgnoredByVersioning)) {
+			// This will have the affect of preserving the version
+			$this->migrateVersion($this->Version);
+		}
+
 		parent::onBeforeWrite();
 	}