Use tabs consistently with all other files.

src/main/java/ch/njol/skript/doc/DocumentationId.java

@@ -14,6 +14,7 @@
 @Retention(RetentionPolicy.RUNTIME)
 @Documented
 public @interface DocumentationId {
-
-    public String value();
+
+	public String value();
+
 }

src/main/java/ch/njol/skript/doc/RequiredPlugins.java

@@ -10,12 +10,13 @@
  * Provides a list of plugins other than Skript that the annotated
  * element requires to be used. Non-Spigot server software can be considered
  * to be plugins.
- * 
+ *
  */
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.RUNTIME)
 @Documented
 public @interface RequiredPlugins {
-
-    String[] value();
+
+	String[] value();
+
 }

src/main/java/ch/njol/skript/update/GithubChecker.java

@@ -15,63 +15,67 @@
  * Uses Github API to check for updates.
  */
 public class GithubChecker implements UpdateChecker {
-	
+
 	/**
 	 * Github API response for GSON deserialization.
 	 */
 	public static class ResponseEntry {
+
 		public String url;
-	    public String assets_url;
-	    public String upload_url;
-	    public String html_url;
-	    public int id;
-	    public String tag_name;
-	    public String target_commitish;
-	    public String name;
-	    public boolean draft;
-
-	    public boolean prerelease;
-	    public String created_at;
-	    public String published_at;
-
-	    public static class AssetsEntry {
-	    	public int size;
-	    	public int download_count;
-	    	public String browser_download_url;
-	    }
-
-	    public List<AssetsEntry> assets;
-	    public String body; // Description of release
-
-	    @Override
-	    public String toString() {
-	    	return tag_name;
-	    }
-
-	    public static class Author {
-	    	public String login;
-	    	public int id;
-	    }
-
-	    public Author author;
+		public String assets_url;
+		public String upload_url;
+		public String html_url;
+		public int id;
+		public String tag_name;
+		public String target_commitish;
+		public String name;
+		public boolean draft;
+
+		public boolean prerelease;
+		public String created_at;
+		public String published_at;
+
+		public static class AssetsEntry {
+
+			public int size;
+			public int download_count;
+			public String browser_download_url;
+
+		}
+
+		public List<AssetsEntry> assets;
+		public String body; // Description of release
+
+		@Override
+		public String toString() {
+			return tag_name;
+		}
+
+		public static class Author {
+
+			public String login;
+			public int id;
+
+		}
+
+		public Author author;
 	}
-	
+
 	/**
 	 * Used for deserializing Github API output.
 	 */
 	private final Gson gson;
-	
+
 	public GithubChecker() {
 		this.gson = new Gson();
 	}
-	
+
 	private List<ResponseEntry> deserialize(String str) {
 		assert str != null : "Cannot deserialize null string";
-		@SuppressWarnings("serial")
 		Type listType = new TypeToken<List<ResponseEntry>>() {}.getType();
 		List<ResponseEntry> responses = gson.fromJson(str, listType);
 		assert responses != null;
-		
+
 		return responses;
 	}
 
@@ -97,7 +101,7 @@ public CompletableFuture<UpdateManifest> check(ReleaseManifest manifest, Release
 			 * Latest release in the channel we're using.
 			 */
 			ResponseEntry latest = null;
-			
+
 			/**
 			 * Current release, if found.
 			 */
@@ -107,32 +111,32 @@ public CompletableFuture<UpdateManifest> check(ReleaseManifest manifest, Release
 			for (ResponseEntry release : releases) {
 				String name = release.tag_name;
 				assert name != null;
-				
+
 				// Check if this is a suitable latest release
 				if (latest == null && channel.check(name)) {
 					latest = release;
 				}
-				
+
 				// Check whether this is a current release
 				if (manifest.id.equals(name)) {
 					current = release;
 					break; // Update can't be older than current release
 				}
 			}
-			
+
 			if (latest == null) {
 				return null; // No updates for this channel available
 			}
-			
+
 			if (current != null && latest.id == current.id) {
 				return null; // Already running latest in this channel
 			}
-			
+
 			// Validate the latest release
 			if (latest.assets.isEmpty()) {
 				return null; // Update not (yet?) downloadable
 			}
-			
+
 			try {
 				String name = latest.tag_name;
 				assert name != null;
@@ -146,7 +150,7 @@ public CompletableFuture<UpdateManifest> check(ReleaseManifest manifest, Release
 				} else {
 					download = new URL(latest.assets.get(0).browser_download_url);
 				}
-				
+
 				return new UpdateManifest(name, createdAt, patchNotes, download);
 			} catch (MalformedURLException e) {
 				throw new RuntimeException(e);
@@ -155,5 +159,5 @@ public CompletableFuture<UpdateManifest> check(ReleaseManifest manifest, Release
 		assert future != null;
 		return future;
 	}
-	
+
 }