IDEA-80378 Event Log: &nbsp is not replaced in text

platform/platform-impl/src/com/intellij/notification/EventLog.java

@@ -133,6 +133,7 @@ public class EventLog implements Notifications {
       mainText += content;
     }
 
+    mainText = StringUtil.replace(mainText, " ", " ");
     int nlIndex = eolIndex(mainText);
     if (nlIndex >= 0) {
       mainText = mainText.substring(0, nlIndex);

platform/platform-tests/testSrc/com/intellij/notification/EventLogTest.groovy

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.notification;
+
+import com.intellij.testFramework.UsefulTestCase;
+
+/**
+ * @author peter
+ */
+class EventLogTest extends UsefulTestCase {
+
+  public void testNbsp() {
+    def entry = EventLog.formatForLog(new Notification("xxx", "Title", "Hello world", NotificationType.ERROR))
+    assert entry.message == 'Title: Hello world'
+  }
+
+}