fixed bug in array & richtext

src/Database.js

@@ -367,12 +367,16 @@ module.exports = function (Y /* :any */) {
           }
         }
         if (defined == null) {
-          var isGarbageCollected = yield* this.isGarbageCollected(op.id)
+          var opid = op.id
+          var isGarbageCollected = yield* this.isGarbageCollected(opid)
           if (!isGarbageCollected) {
             yield* Y.Struct[op.struct].execute.call(this, op)
             yield* this.addOperation(op)
             yield* this.store.operationAdded(this, op)
-
+            if (!Y.utils.compareIds(opid, op.id)) {
+              // operationAdded changed op
+              op = yield* this.getOperation(opid)
+            }
             // if insertion, try to combine with left
             yield* this.tryCombineWithLeft(op)
           }

src/SpecHelper.js

@@ -74,7 +74,7 @@ function getRandomNumber (n) {
 g.getRandomNumber = getRandomNumber
 
 function getRandomString () {
-  var chars = 'abcdefäö'
+  var chars = 'abcdefghijklmnopqrstuvwxyzäüöABCDEFGHIJKLMNOPQRSTUVWXYZÄÜÖ'
   var char = chars[getRandomNumber(chars.length)] // ü\n\n\n\n\n\n\n'
   var length = getRandomNumber(7)
   var string = ''