Removes unnecessary whitespace from user assistance

Change-Id: I87aae462d9e2aa50a34c14f0b64c3f5fa916a816
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/org.eclipse.help.base/src/org/eclipse/help/internal/base/scope/ScopeRegistry.java b/org.eclipse.help.base/src/org/eclipse/help/internal/base/scope/ScopeRegistry.java
index 35bf98f..5ef5b65 100644
--- a/org.eclipse.help.base/src/org/eclipse/help/internal/base/scope/ScopeRegistry.java
+++ b/org.eclipse.help.base/src/org/eclipse/help/internal/base/scope/ScopeRegistry.java
@@ -219,14 +219,14 @@
 					return format(next,current);
 				next+=current;
 			}
-			if (next.isEmpty()) 
+			if (next.isEmpty())
 				return null;
 			return next;
 		}
 
 		private String format(String next,char current)
 		{
-			if (next.isEmpty()) 
+			if (next.isEmpty())
 			{
 				cursor++;
 				return current+""; //$NON-NLS-1$
diff --git a/org.eclipse.help.base/src/org/eclipse/help/search/HelpIndexBuilder.java b/org.eclipse.help.base/src/org/eclipse/help/search/HelpIndexBuilder.java
index 6e29ee7..825a77d 100644
--- a/org.eclipse.help.base/src/org/eclipse/help/search/HelpIndexBuilder.java
+++ b/org.eclipse.help.base/src/org/eclipse/help/search/HelpIndexBuilder.java
@@ -536,7 +536,7 @@
 			href = getAttribute(topic, "topic"); //$NON-NLS-1$
 		}
 		if (href != null
-				&& !href.isEmpty() && !href.startsWith("http://") && !href.startsWith("https://")) { //$NON-NLS-1$ //$NON-NLS-2$ 
+				&& !href.isEmpty() && !href.startsWith("http://") && !href.startsWith("https://")) { //$NON-NLS-1$ //$NON-NLS-2$
 			href = SearchIndex.getIndexableHref(href);
 			if (href != null)
 				hrefs.add(href);
@@ -545,7 +545,7 @@
 		for (int i = 0; i < subtopics.getLength(); i++) {
 			Element subtopic = (Element) subtopics.item(i);
 			href = getAttribute(subtopic, "href"); //$NON-NLS-1$
-			if (href != null && !href.isEmpty() && !href.startsWith("http://") && !href.startsWith("https://")) { //$NON-NLS-1$ //$NON-NLS-2$ 
+			if (href != null && !href.isEmpty() && !href.startsWith("http://") && !href.startsWith("https://")) { //$NON-NLS-1$ //$NON-NLS-2$
 				href = SearchIndex.getIndexableHref(href);
 				if (href != null)
 					hrefs.add(href);
diff --git a/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/data/TopicFinder.java b/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/data/TopicFinder.java
index 3c2e533..a8d17f8 100644
--- a/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/data/TopicFinder.java
+++ b/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/data/TopicFinder.java
@@ -215,7 +215,7 @@
 	 * @return -1 if the toc is not found
 	 */
 	private int findTocContainingTopic(String topic) {
-		if (topic == null || topic.isEmpty()) 
+		if (topic == null || topic.isEmpty())
 			return -1;
 
 		int index = topic.indexOf("/topic/"); //$NON-NLS-1$
@@ -246,7 +246,7 @@
 		if (index != -1)
 			topic = topic.substring(0, index);
 
-		if (topic == null || topic.isEmpty()) 
+		if (topic == null || topic.isEmpty())
 			return -1;
 
 		// try to find in enabled tocs first
@@ -303,7 +303,7 @@
 		if (index != -1)
 			topic = topic.substring(0, index);
 
-		if (topic == null || topic.isEmpty()) 
+		if (topic == null || topic.isEmpty())
 			return null;
 
 		if (selectedToc < 0)