Version 6121

pom.xml

@@ -36,7 +36,7 @@
 
     <groupId>net.sourceforge.plantuml</groupId>
     <artifactId>plantuml</artifactId>
-    <version>6085-SNAPSHOT</version>
+    <version>6121-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>PlantUML</name>

src/net/sourceforge/plantuml/FileUtils.java

@@ -33,8 +33,14 @@
  */
 package net.sourceforge.plantuml;
 
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Collection;
 
@@ -79,7 +85,7 @@ public class FileUtils {
 			Log.error("Cannot delete: " + f);
 		}
 	}
-	
+
 	static public File createTempFile(String prefix, String suffix) throws IOException {
 		if (suffix.startsWith(".") == false) {
 			throw new IllegalArgumentException();
@@ -92,6 +98,18 @@ public class FileUtils {
 		return f;
 	}
 
-
+	static public void copyToFile(File src, File dest) throws IOException {
+		if (dest.isDirectory()) {
+			dest = new File(dest, src.getName());
+		}
+		final InputStream fis = new BufferedInputStream(new FileInputStream(src));
+		final OutputStream fos = new BufferedOutputStream(new FileOutputStream(dest));
+		int lu;
+		while ((lu = fis.read()) != -1) {
+			fos.write(lu);
+		}
+		fos.close();
+		fis.close();
+	}
 
 }

src/net/sourceforge/plantuml/OptionFlags.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  *
- * Revision $Revision: 5977 $
+ * Revision $Revision: 6096 $
  *
  */
 package net.sourceforge.plantuml;
@@ -67,6 +67,7 @@ public class OptionFlags {
 	private String dotExecutable = null;
 	private boolean gui = false;
 	private boolean quiet = false;
+	private boolean checkDotError = false;
 
 	private OptionFlags() {
 		reset();
@@ -164,4 +165,12 @@ public class OptionFlags {
 		this.quiet = quiet;
 	}
 
+	public final boolean isCheckDotError() {
+		return checkDotError;
+	}
+
+	public final void setCheckDotError(boolean checkDotError) {
+		this.checkDotError = checkDotError;
+	}
+
 }

src/net/sourceforge/plantuml/StringUtils.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  *
- * Revision $Revision: 6060 $
+ * Revision $Revision: 6110 $
  *
  */
 package net.sourceforge.plantuml;
@@ -329,7 +329,8 @@ public class StringUtils {
 
 	public static String uncommentSource(String source) {
 		final StringReader sr = new StringReader(source);
-		final UncommentReadLine un = new UncommentReadLine(new ReadLineReader(sr));
+		final UncommentReadLine un = new UncommentReadLine(new ReadLineReader(
+				sr));
 		final StringBuilder sb = new StringBuilder();
 		String s = null;
 		try {
@@ -346,4 +347,18 @@ public class StringUtils {
 		return sb.toString();
 	}
 
+	public static boolean isDiagramCacheable(String uml) {
+		uml = uml.toLowerCase();
+		if (uml.startsWith("@startuml\nversion\n")) {
+			return false;
+		}
+		if (uml.startsWith("@startuml\ntestdot\n")) {
+			return false;
+		}
+		if (uml.startsWith("@startuml\nsudoku\n")) {
+			return false;
+		}
+		return true;
+		
+	}
 }

src/net/sourceforge/plantuml/UmlDiagram.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  *
- * Revision $Revision: 5811 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml;
@@ -40,6 +40,7 @@ import net.sourceforge.plantuml.graphic.HorizontalAlignement;
 public abstract class UmlDiagram extends AbstractPSystem implements PSystem {
 
 	private boolean rotation;
+	private boolean hideUnlinkedData;
 
 	private int minwidth = Integer.MAX_VALUE;
 
@@ -142,4 +143,12 @@ public abstract class UmlDiagram extends AbstractPSystem implements PSystem {
 		return getSkinParam().getDpi();
 	}
 
+	public final boolean isHideUnlinkedData() {
+		return hideUnlinkedData;
+	}
+
+	public final void setHideUnlinkedData(boolean hideUnlinkedData) {
+		this.hideUnlinkedData = hideUnlinkedData;
+	}
+
 }

src/net/sourceforge/plantuml/activitydiagram/command/CommandIf.java

@@ -58,12 +58,12 @@ public class CommandIf extends SingleLineCommand2<ActivityDiagram> {
 	static RegexConcat getRegexConcat() {
 		return new RegexConcat(new RegexLeaf("^"),
 					new RegexOr("FIRST", true,
-							new RegexLeaf("STAR", "(\\(\\*\\))"),
+							new RegexLeaf("STAR", "(\\(\\*(top)?\\))"),
 							new RegexLeaf("CODE", "([\\p{L}0-9_.]+)"),
 							new RegexLeaf("BAR", "(?:==+)\\s*([\\p{L}0-9_.]+)\\s*(?:==+)"),
 							new RegexLeaf("QUOTED", "\"([^\"]+)\"(?:\\s+as\\s+([\\p{L}0-9_.]+))?")),
 					new RegexLeaf("\\s*"),
-					new RegexLeaf("ARROW", "([=-]+(?:left|right|up|down|le?|ri?|up?|do?)?[=-]*\\>)?"),
+					new RegexLeaf("ARROW", "([=-]+(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?[=-]*\\>)?"),
 					new RegexLeaf("\\s*"),
 					new RegexLeaf("BRACKET", "(?:\\[([^\\]*]+[^\\]]*)\\])?"),
 					new RegexLeaf("\\s*"),

src/net/sourceforge/plantuml/activitydiagram/command/CommandLinkActivity.java

@@ -58,20 +58,33 @@ public class CommandLinkActivity extends SingleLineCommand2<ActivityDiagram> {
 	}
 
 	static RegexConcat getRegexConcat() {
-		return new RegexConcat(new RegexLeaf("^"), new RegexOr("FIRST", true, new RegexLeaf("STAR", "(\\(\\*\\))"),
+		return new RegexConcat(
-				new RegexLeaf("CODE", "([\\p{L}0-9_.]+)"), new RegexLeaf("BAR",
+				new RegexLeaf("^"), // 
-						"(?:==+)\\s*([\\p{L}0-9_.]+)\\s*(?:==+)"), new RegexLeaf("QUOTED",
+				new RegexOr("FIRST", true, // 
-						"\"([^\"]+)\"(?:\\s+as\\s+([\\p{L}0-9_.]+))?")), new RegexLeaf("\\s*"), new RegexLeaf(
+						new RegexLeaf("STAR", "(\\(\\*(top)?\\))"), //
-				"STEREOTYPE", "(\\<\\<.*\\>\\>)?"), new RegexLeaf("\\s*"), new RegexLeaf("BACKCOLOR", "(#\\w+)?"),
+						new RegexLeaf("CODE", "([\\p{L}0-9_.]+)"), // 
-				new RegexLeaf("\\s*"),
+						new RegexLeaf("BAR", "(?:==+)\\s*([\\p{L}0-9_.]+)\\s*(?:==+)"), //
-				new RegexLeaf("ARROW", "([=-]+(?:left|right|up|down|le?|ri?|up?|do?)?[=-]*\\>)"),
+						new RegexLeaf("QUOTED", "\"([^\"]+)\"(?:\\s+as\\s+([\\p{L}0-9_.]+))?")), //
-				new RegexLeaf("\\s*"), new RegexLeaf("BRACKET", "(?:\\[([^\\]*]+[^\\]]*)\\])?"), new RegexLeaf("\\s*"),
+				new RegexLeaf("\\s*"), //
-				new RegexOr("FIRST2", new RegexLeaf("STAR2", "(\\(\\*\\))"), new RegexLeaf("OPENBRACKET2", "(\\{)"),
+				new RegexLeaf("STEREOTYPE", "(\\<\\<.*\\>\\>)?"), //
-						new RegexLeaf("CODE2", "([\\p{L}0-9_.]+)"), new RegexLeaf("BAR2",
+				new RegexLeaf("\\s*"), //
-								"(?:==+)\\s*([\\p{L}0-9_.]+)\\s*(?:==+)"), new RegexLeaf("QUOTED2",
+				new RegexLeaf("BACKCOLOR", "(#\\w+)?"), // 
-								"\"([^\"]+)\"(?:\\s+as\\s+([\\p{L}0-9_.]+))?")), new RegexLeaf("\\s*"), new RegexLeaf(
+				new RegexLeaf("\\s*"), // 
-						"STEREOTYPE2", "(\\<\\<.*\\>\\>)?"), new RegexLeaf("\\s*"), new RegexLeaf("BACKCOLOR2",
+				new RegexLeaf("ARROW", "([=-]+(?:left|right|up|down|le?|ri?|up?|do?)?[=-]*\\>)"), //
-						"(#\\w+)?"), new RegexLeaf("$"));
+				new RegexLeaf("\\s*"), //
+				new RegexLeaf("BRACKET", "(?:\\[([^\\]*]+[^\\]]*)\\])?"), // 
+				new RegexLeaf("\\s*"), //
+				new RegexOr("FIRST2", // 
+						new RegexLeaf("STAR2", "(\\(\\*(top)?\\))"), // 
+						new RegexLeaf("OPENBRACKET2", "(\\{)"), // 
+						new RegexLeaf("CODE2", "([\\p{L}0-9_.]+)"), // 
+						new RegexLeaf("BAR2", "(?:==+)\\s*([\\p{L}0-9_.]+)\\s*(?:==+)"), // 
+						new RegexLeaf("QUOTED2", "\"([^\"]+)\"(?:\\s+as\\s+([\\p{L}0-9_.]+))?")),
+				new RegexLeaf("\\s*"), // 
+				new RegexLeaf("STEREOTYPE2", "(\\<\\<.*\\>\\>)?"), //
+				new RegexLeaf("\\s*"), //
+				new RegexLeaf("BACKCOLOR2", "(#\\w+)?"), //
+				new RegexLeaf("$"));
 	}
 
 	@Override
@@ -124,6 +137,9 @@ public class CommandLinkActivity extends SingleLineCommand2<ActivityDiagram> {
 		}
 		if (arg.get("STAR" + suf).get(0) != null) {
 			if (start) {
+				if (arg.get("STAR" + suf).get(1) != null) {
+					system.getStart().setTop(true);
+				}
 				return system.getStart();
 			}
 			return system.getEnd();

src/net/sourceforge/plantuml/activitydiagram/command/CommandLinkLongActivity.java

@@ -65,7 +65,7 @@ public class CommandLinkLongActivity extends CommandMultilines2<ActivityDiagram>
 	static RegexConcat getRegexConcat() {
 		return new RegexConcat(new RegexLeaf("^"),
 				new RegexOr("FIRST", true,
-						new RegexLeaf("STAR", "(\\(\\*\\))"),
+						new RegexLeaf("STAR", "(\\(\\*(top)?\\))"),
 						new RegexLeaf("CODE", "([\\p{L}0-9_.]+)"),
 						new RegexLeaf("BAR", "(?:==+)\\s*([\\p{L}0-9_.]+)\\s*(?:==+)"),
 						new RegexLeaf("QUOTED", "\"([^\"]+)\"(?:\\s+as\\s+([\\p{L}0-9_.]+))?")),
@@ -74,7 +74,7 @@ public class CommandLinkLongActivity extends CommandMultilines2<ActivityDiagram>
 				new RegexLeaf("\\s*"),
 				new RegexLeaf("BACKCOLOR", "(#\\w+)?"),
 				new RegexLeaf("\\s*"),
-				new RegexLeaf("ARROW", "([=-]+(?:left|right|up|down|le?|ri?|up?|do?)?[=-]*\\>)"),
+				new RegexLeaf("ARROW", "([=-]+(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=]))?[=-]*\\>)"),
 				new RegexLeaf("\\s*"),
 				new RegexLeaf("BRACKET", "(?:\\[([^\\]*]+[^\\]]*)\\])?"),
 				new RegexLeaf("\\s*"),

src/net/sourceforge/plantuml/classdiagram/AbstractEntityDiagram.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  *
- * Revision $Revision: 5350 $
+ * Revision $Revision: 6095 $
  *
  */
 package net.sourceforge.plantuml.classdiagram;
@@ -43,7 +43,7 @@ public abstract class AbstractEntityDiagram extends CucaDiagram {
 
 	abstract public IEntity getOrCreateClass(String code);
 
-	final protected List<String> getDotStrings() {
+	protected List<String> getDotStrings() {
 //		return Arrays.asList("nodesep=.5;", "ranksep=0.8;", "edge [fontsize=11,labelfontsize=11];",
 //		"node [fontsize=11,height=.35,width=.55];");
 		return Arrays.asList("nodesep=.35;", "ranksep=0.8;", "edge [fontsize=11,labelfontsize=11];",

src/net/sourceforge/plantuml/classdiagram/command/CommandLinkClass2.java

@@ -73,13 +73,13 @@ final public class CommandLinkClass2 extends SingleLineCommand2<AbstractClassOrO
 				new RegexLeaf("FIRST_LABEL", "(?:\"([^\"]+)\")?"),
 				new RegexLeaf("\\s*"),
 				new RegexOr(new RegexLeaf("LEFT_TO_RIGHT",
-						"(([-=.]+)(left|right|up|down|le?|ri?|up?|do?)?([-=.]*)(o +|[\\]>*+]|\\|[>\\]])?)"),
+						"(([-=.]+)(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?([-=.]*)(o +|[\\]>*+]|\\|[>\\]])?)"),
 						new RegexLeaf("RIGHT_TO_LEFT",
 								"(( +o|[\\[<*+]|[<\\[]\\|)?([-=.]*)(left|right|up|down|le?|ri?|up?|do?)?([-=.]+))"),
 						new RegexLeaf("NAV_AGREG_OR_COMPO_INV",
 								"(\\<([-=.]*)(left|right|up|down|le?|ri?|up?|do?[-=.]+)?([-=.]+)(o +|\\*))"),
 						new RegexLeaf("NAV_AGREG_OR_COMPO",
-								"(( +o|\\*)([-=.]+)(left|right|up|down|le?|ri?|up?|do?)?([-=.]*)\\>)")),
+								"(( +o|\\*)([-=.]+)(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?([-=.]*)\\>)")),
 				new RegexLeaf("\\s*"),
 				new RegexLeaf("SECOND_LABEL", "(?:\"([^\"]+)\")?"),
 				new RegexLeaf("\\s*"),

src/net/sourceforge/plantuml/command/AbstractUmlSystemCommandFactory.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6002 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.command;
@@ -99,6 +99,8 @@ public abstract class AbstractUmlSystemCommandFactory implements PSystemCommandF
 		addCommand(new CommandScale(system));
 		addCommand(new CommandScaleWidthAndHeight(system));
 		addCommand(new CommandScaleWidthOrHeight(system));
+		addCommand(new CommandHideUnlinked(system));
+
 	}
 
 	protected final void addCommand(Command cmd) {

src/net/sourceforge/plantuml/componentdiagram/command/CommandLinkComponent2.java

@@ -58,13 +58,20 @@ public class CommandLinkComponent2 extends SingleLineCommand2<ComponentDiagram>
 	}
 
 	static RegexConcat getRegex() {
-		return new RegexConcat(new RegexLeaf("^"), getRegexGroup("G1"), new RegexLeaf("\\s*"), new RegexOr(
+		return new RegexConcat(new RegexLeaf("^"), //
-				new RegexLeaf("AR_TO_RIGHT",
+				getRegexGroup("G1"),//
-						"(([-=.]+)(left|right|up|down|le?|ri?|up?|do?)?([-=.]*?\\.*)([\\]>]|\\|[>\\]])?)"),
+				new RegexLeaf("\\s*"),//
-				new RegexLeaf("AR_TO_LEFT",
+				new RegexOr(
-						"(([\\[<]|[<\\[]\\|)?([-=.]*)(left|right|up|down|le?|ri?|up?|do?)?([-=.]+))")),
+				//
-				new RegexLeaf("\\s*"), getRegexGroup("G2"), new RegexLeaf("\\s*"), new RegexLeaf("END",
+						new RegexLeaf("AR_TO_RIGHT",
-						"(?::\\s*([^\"]+))?$"));
+								"(([-=.]+)(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?([-=.]*)([\\]>]|\\|[>\\]])?)"),
+								// "(([-=.]+)(left|right|up|down|le?|ri?|up?|do?)?([-=.]*?\\.*)([\\]>]|\\|[>\\]])?)"),
+						new RegexLeaf("AR_TO_LEFT",
+								"(([\\[<]|[<\\[]\\|)?([-=.]*)(left|right|up|down|le?|ri?|up?|do?)?([-=.]+))")),
+				new RegexLeaf("\\s*"),//
+				getRegexGroup("G2"),//
+				new RegexLeaf("\\s*"),//
+				new RegexLeaf("END", "(?::\\s*([^\"]+))?$"));
 	}
 
 	private static RegexLeaf getRegexGroup(String name) {
@@ -86,8 +93,7 @@ public class CommandLinkComponent2 extends SingleLineCommand2<ComponentDiagram>
 
 		final IEntity cl1 = getSystem().getOrCreateClass(g1);
 		final IEntity cl2 = getSystem().getOrCreateClass(g2);
-		
+
-		
 		if (arg.get("G1").get(1) != null) {
 			cl1.setStereotype(new Stereotype(arg.get("G1").get(1)));
 		}
@@ -105,22 +111,21 @@ public class CommandLinkComponent2 extends SingleLineCommand2<ComponentDiagram>
 			linkType = getLinkTypeNormal(queue, arg.get("AR_TO_LEFT").get(1)).getInv();
 		}
 		final Direction dir = getDirection(arg);
-		
+
 		if (dir == Direction.LEFT || dir == Direction.RIGHT) {
 			queue = "-";
 		}
 
 		Link link = new Link(cl1, cl2, linkType, arg.get("END").get(0), queue.length());
-		
+
 		if (dir == Direction.LEFT || dir == Direction.UP) {
 			link = link.getInv();
 		}
 
-		
 		getSystem().addLink(link);
 		return CommandExecutionResult.ok();
 	}
-	
+
 	private Direction getDirection(Map<String, RegexPartialMatch> arg) {
 		if (arg.get("AR_TO_RIGHT").get(2) != null) {
 			return StringUtils.getQueueDirection(arg.get("AR_TO_RIGHT").get(2));
@@ -131,8 +136,6 @@ public class CommandLinkComponent2 extends SingleLineCommand2<ComponentDiagram>
 		return null;
 	}
 
-
-
 	private CommandExecutionResult executePackageLink(Map<String, RegexPartialMatch> arg) {
 		final String g1 = arg.get("G1").get(0);
 		final String g2 = arg.get("G2").get(0);

src/net/sourceforge/plantuml/cucadiagram/Entity.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5694 $
+ * Revision $Revision: 6121 $
  *
  */
 package net.sourceforge.plantuml.cucadiagram;
@@ -60,10 +60,19 @@ public class Entity implements IEntity {
 
 	private DrawFile imageFile;
 	private String url;
+	
+	private boolean top;
+
+	public final boolean isTop() {
+		return top;
+	}
+
+	public final void setTop(boolean top) {
+		this.top = top;
+	}
 
 	public Entity(String code, String display, EntityType type, Group entityPackage) {
 		this("cl" + UniqueSequence.getValue(), code, display, type, entityPackage);
-
 	}
 
 	public Entity(String uid, String code, String display, EntityType type, Group entityPackage) {

src/net/sourceforge/plantuml/cucadiagram/EntityUtils.java

@@ -118,6 +118,14 @@ public abstract class EntityUtils {
 				return ent.getImageFile(searched);
 			}
 
+			public boolean isTop() {
+				return ent.isTop();
+			}
+
+			public void setTop(boolean top) {
+				ent.setTop(top);
+			}
+
 		};
 	}
 

src/net/sourceforge/plantuml/cucadiagram/IEntity.java

@@ -63,5 +63,10 @@ public interface IEntity extends Imaged, SpecificBackcolorable {
 	public String getCode();
 
 	public DrawFile getImageFile(File searched) throws IOException;
+	
+	public boolean isTop();
+
+	public void setTop(boolean top);
+
 
 }

src/net/sourceforge/plantuml/cucadiagram/dot/AbstractGraphviz.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6005 $
+ * Revision $Revision: 6104 $
  *
  */
 package net.sourceforge.plantuml.cucadiagram.dot;
@@ -90,10 +90,11 @@ abstract class AbstractGraphviz implements Graphviz {
 			return;
 		}
 		final String cmd = getCommandLine();
+		ProcessRunner p = null;
 		try {
 			Log.info("Starting Graphviz process " + cmd);
 			Log.info("DotString size: " + dotString.length());
-			final ProcessRunner p = new ProcessRunner(cmd);
+			p = new ProcessRunner(cmd);
 			p.run(dotString.getBytes(), os);
 			Log.info("Ending process ok");
 		} catch (Throwable e) {
@@ -105,8 +106,20 @@ abstract class AbstractGraphviz implements Graphviz {
 			Log.error("");
 		} finally {
 			Log.info("Ending Graphviz process");
-
 		}
+		if (OptionFlags.getInstance().isCheckDotError() && p != null && p.getError().length() > 0) {
+			Log.error("GraphViz error stream : " + p.getError());
+			if (OptionFlags.getInstance().isCheckDotError()) {
+				throw new IllegalStateException("Dot error " + p.getError());
+			}
+		}
+		if (OptionFlags.getInstance().isCheckDotError() && p != null && p.getOut().length() > 0) {
+			Log.error("GraphViz out stream : " + p.getOut());
+			if (OptionFlags.getInstance().isCheckDotError()) {
+				throw new IllegalStateException("Dot out " + p.getOut());
+			}
+		}
+
 	}
 
 	private boolean illegalDotExe() {

src/net/sourceforge/plantuml/cucadiagram/dot/DotMaker.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6035 $
+ * Revision $Revision: 6121 $
  *
  */
 package net.sourceforge.plantuml.cucadiagram.dot;
@@ -99,6 +99,8 @@ final public class DotMaker implements GraphvizMaker {
 
 	private final Set<String> hasAlreadyOneIncommingArrowLenghtOne;
 
+	final private Set<String> rankMin = new HashSet<String>();
+
 	public static void goJunit() {
 		isJunit = true;
 	}
@@ -123,6 +125,7 @@ final public class DotMaker implements GraphvizMaker {
 		printGroups(sb, null);
 		printEntities(sb, getUnpackagedEntities());
 		printLinks(sb, data.getLinks());
+		printRanking(sb);
 		sb.append("}");
 
 		// System.err.println(sb);
@@ -132,6 +135,20 @@ final public class DotMaker implements GraphvizMaker {
 		return sb.toString();
 	}
 
+	private void printRanking(StringBuilder sb) {
+		if (rankMin.size() == 0) {
+			return;
+		}
+		sb.append("{ rank = min;");
+		for (String id : rankMin) {
+			sb.append(id);
+			sb.append(";");
+		}
+		sb.append("}");
+
+	}
+
+
 	private void initPrintWriter(StringBuilder sb) {
 
 		Log.info("Entities = " + data.getEntities().size());
@@ -891,6 +908,11 @@ final public class DotMaker implements GraphvizMaker {
 		} else {
 			throw new IllegalStateException(type.toString() + " " + data.getUmlDiagramType());
 		}
+		
+		if (entity.isTop()) {
+			rankMin.add(entity.getUid());
+		}
+
 	}
 
 	private ColorParam getEndColorParam() {

src/net/sourceforge/plantuml/cucadiagram/dot/DrawFile.java

@@ -80,9 +80,10 @@ public class DrawFile {
 
 	private DrawFile(File fPng, String svg, File fEps) {
 		this(new Unlazy<File>(fPng), new Unlazy<String>(svg), new Unlazy<File>(fEps));
-		if (svg.contains("\\")) {
+//		if (svg.contains("\\")) {
-			throw new IllegalArgumentException();
+//			System.err.println("svg="+svg);
-		}
+//			throw new IllegalArgumentException();
+//		}
 	}
 
 	public File getPngOrEps(boolean isEps) throws IOException {

src/net/sourceforge/plantuml/cucadiagram/dot/ProcessRunner.java

@@ -28,11 +28,12 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5650 $
+ * Revision $Revision: 6107 $
  *
  */
 package net.sourceforge.plantuml.cucadiagram.dot;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -49,11 +50,15 @@ public class ProcessRunner {
 	public ProcessRunner(String cmd) {
 		this.cmd = cmd;
 	}
-	
+
 	static private int cpt = 0;
 
 	public void run(byte in[], OutputStream redirection) throws IOException, InterruptedException {
-		final Process process = Runtime.getRuntime().exec(cmd);
+		run(in, redirection, null);
+	}
+
+	public void run(byte in[], OutputStream redirection, File dir) throws IOException, InterruptedException {
+		final Process process = Runtime.getRuntime().exec(cmd, null, dir);
 		final ThreadStream errorStream = new ThreadStream(process.getErrorStream(), null);
 		final ThreadStream outStream = new ThreadStream(process.getInputStream(), redirection);
 		errorStream.start();
@@ -68,7 +73,7 @@ public class ProcessRunner {
 		outStream.join(10000L);
 		this.out = outStream.sb.toString();
 		this.error = errorStream.sb.toString();
-		Log.info("RUN nb = "+(++cpt));
+		Log.info("RUN nb = " + (++cpt));
 	}
 
 	static class ThreadStream extends Thread {

src/net/sourceforge/plantuml/preproc/IfManager.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5200 $
+ * Revision $Revision: 6107 $
  *
  */
 package net.sourceforge.plantuml.preproc;
@@ -39,9 +39,9 @@ import java.util.regex.Pattern;
 
 class IfManager implements ReadLine {
 
-	protected static final Pattern ifdefPattern = Pattern.compile("^!if(n)?def\\s+([A-Za-z_][A-Za-z_0-9]*)$");
+	protected static final Pattern ifdefPattern = Pattern.compile("^\\s*!if(n)?def\\s+([A-Za-z_][A-Za-z_0-9]*)$");
-	protected static final Pattern elsePattern = Pattern.compile("^!else$");
+	protected static final Pattern elsePattern = Pattern.compile("^\\s*!else$");
-	protected static final Pattern endifPattern = Pattern.compile("^!endif$");
+	protected static final Pattern endifPattern = Pattern.compile("^\\s*!endif$");
 
 	private final Defines defines;
 	private final ReadLine source;

src/net/sourceforge/plantuml/preproc/Preprocessor.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6070 $
+ * Revision $Revision: 6107 $
  *
  */
 package net.sourceforge.plantuml.preproc;
@@ -41,8 +41,8 @@ import java.util.regex.Pattern;
 
 public class Preprocessor implements ReadLine {
 
-	private static final Pattern definePattern = Pattern.compile("^!define\\s+([A-Za-z_][A-Za-z_0-9]*)(?:\\s+(.*))?$");
+	private static final Pattern definePattern = Pattern.compile("^\\s*!define\\s+([A-Za-z_][A-Za-z_0-9]*)(?:\\s+(.*))?$");
-	private static final Pattern undefPattern = Pattern.compile("^!undef\\s+([A-Za-z_][A-Za-z_0-9]*)$");
+	private static final Pattern undefPattern = Pattern.compile("^\\s*!undef\\s+([A-Za-z_][A-Za-z_0-9]*)$");
 
 	private final Defines defines;
 	private final PreprocessorInclude rawSource;

src/net/sourceforge/plantuml/preproc/PreprocessorInclude.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6070 $
+ * Revision $Revision: 6107 $
  *
  */
 package net.sourceforge.plantuml.preproc;
@@ -45,7 +45,7 @@ import net.sourceforge.plantuml.FileSystem;
 
 class PreprocessorInclude implements ReadLine {
 
-	private static final Pattern includePattern = Pattern.compile("^!include\\s+\"?([^\"]+)\"?$");
+	private static final Pattern includePattern = Pattern.compile("^\\s*!include\\s+\"?([^\"]+)\"?$");
 
 	private final ReadLine reader2;
 	private int numLine = 0;

src/net/sourceforge/plantuml/sequencediagram/Delay.java

@@ -47,4 +47,8 @@ public class Delay implements Event {
 		return text;
 	}
 
+	public boolean dealWith(Participant someone) {
+		return false;
+	}
+
 }

src/net/sourceforge/plantuml/sequencediagram/Divider.java

@@ -46,5 +46,10 @@ public class Divider implements Event {
 	public final List<String> getText() {
 		return text;
 	}
+	
+	public boolean dealWith(Participant someone) {
+		return false;
+	}
+
 
 }

src/net/sourceforge/plantuml/sequencediagram/Event.java

@@ -28,11 +28,13 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 3835 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
 
 public interface Event {
 
+	boolean dealWith(Participant someone);
+
 }

src/net/sourceforge/plantuml/sequencediagram/GroupingLeaf.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 4321 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -74,4 +74,9 @@ public class GroupingLeaf extends Grouping {
 		}
 		return backColorGeneral;
 	}
+	
+	public boolean dealWith(Participant someone) {
+		return false;
+	}
+
 }

src/net/sourceforge/plantuml/sequencediagram/GroupingStart.java

@@ -72,5 +72,10 @@ public class GroupingStart extends Grouping {
 	public HtmlColor getBackColorGeneral() {
 		return backColorGeneral;
 	}
+	
+	public boolean dealWith(Participant someone) {
+		return false;
+	}
+
 
 }

src/net/sourceforge/plantuml/sequencediagram/LifeEvent.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 4243 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -54,10 +54,13 @@ public class LifeEvent implements Event {
 	public LifeEventType getType() {
 		return type;
 	}
-	
+
 	public HtmlColor getSpecificBackColor() {
 		return backcolor;
 	}
 
+	public boolean dealWith(Participant someone) {
+		return this.p == someone;
+	}
 
 }

src/net/sourceforge/plantuml/sequencediagram/Message.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5923 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -57,4 +57,8 @@ public class Message extends AbstractMessage {
 		return p2;
 	}
 
+	public boolean dealWith(Participant someone) {
+		return someone == p1 || someone == p2;
+	}
+
 }

src/net/sourceforge/plantuml/sequencediagram/MessageExo.java

@@ -57,4 +57,8 @@ public class MessageExo extends AbstractMessage {
 		return type;
 	}
 
+	public boolean dealWith(Participant someone) {
+		return participant == someone;
+	}
+
 }

src/net/sourceforge/plantuml/sequencediagram/Newpage.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 3835 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -46,5 +46,10 @@ public class Newpage implements Event {
 	public final List<String> getTitle() {
 		return title;
 	}
+	
+	public boolean dealWith(Participant someone) {
+		return false;
+	}
+
 
 }

src/net/sourceforge/plantuml/sequencediagram/Note.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 4237 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -78,7 +78,7 @@ public class Note implements Event, SpecificBackcolorable {
 	}
 
 	private HtmlColor specificBackcolor;
-	
+
 	public HtmlColor getSpecificBackColor() {
 		return specificBackcolor;
 	}
@@ -87,4 +87,7 @@ public class Note implements Event, SpecificBackcolorable {
 		this.specificBackcolor = HtmlColor.getColorIfValid(s);
 	}
 
+	public boolean dealWith(Participant someone) {
+		return p == someone || p2 == someone;
+	}
 }

src/net/sourceforge/plantuml/sequencediagram/Participant.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 4836 $
+ * Revision $Revision: 6099 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -69,6 +69,11 @@ public class Participant implements SpecificBackcolorable {
 	public String getCode() {
 		return code;
 	}
+	
+	@Override
+	public String toString() {
+		return getCode();
+	}
 
 	public List<CharSequence> getDisplay() {
 		return Collections.unmodifiableList(display);

src/net/sourceforge/plantuml/sequencediagram/ParticipantEnglober.java

@@ -40,28 +40,13 @@ import net.sourceforge.plantuml.graphic.HtmlColor;
 public class ParticipantEnglober {
 
 	final private List<String> title;
-	final private Participant first;
-	final private Participant last;
 	final private HtmlColor boxColor;
 
-	public ParticipantEnglober(Participant first, Participant last, List<String> title, HtmlColor boxColor) {
+	public ParticipantEnglober(List<String> title, HtmlColor boxColor) {
-		if (first == null || last == null) {
-			throw new IllegalArgumentException();
-		}
-		this.first = first;
-		this.last = last;
 		this.title = title;
 		this.boxColor = boxColor;
 	}
 
-	public final Participant getFirst() {
-		return first;
-	}
-
-	public final Participant getLast() {
-		return last;
-	}
-
 	public final List<String> getTitle() {
 		return title;
 	}
@@ -70,4 +55,5 @@ public class ParticipantEnglober {
 		return boxColor;
 	}
 
+
 }

src/net/sourceforge/plantuml/sequencediagram/SequenceDiagram.java

@@ -38,7 +38,7 @@ import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.Iterator;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -63,7 +63,7 @@ public class SequenceDiagram extends UmlDiagram {
 
 	private final List<Event> events = new ArrayList<Event>();
 
-	private final List<ParticipantEnglober> participantEnglobers = new ArrayList<ParticipantEnglober>();
+	private final Map<Participant, ParticipantEnglober> participantEnglobers2 = new HashMap<Participant, ParticipantEnglober>();
 
 	private Skin skin = new ProtectedSkin(new Rose());
 
@@ -77,6 +77,7 @@ public class SequenceDiagram extends UmlDiagram {
 		if (result == null) {
 			result = new Participant(ParticipantType.PARTICIPANT, code, display);
 			participants.put(code, result);
+			participantEnglobers2.put(result, participantEnglober);
 		}
 		return result;
 	}
@@ -96,6 +97,7 @@ public class SequenceDiagram extends UmlDiagram {
 		}
 		final Participant result = new Participant(type, code, display);
 		participants.put(code, result);
+		participantEnglobers2.put(result, participantEnglober);
 		return result;
 	}
 
@@ -266,65 +268,98 @@ public class SequenceDiagram extends UmlDiagram {
 		return UmlDiagramType.SEQUENCE;
 	}
 
-	private Participant boxStart;
+//	private Participant boxStart;
-	private List<String> boxStartComment;
+//	private List<String> boxStartComment;
-	private HtmlColor boxColor;
+//	private HtmlColor boxColor;
-	private boolean boxPending = false;
+//	private boolean boxPending = false;
+	
+	private ParticipantEnglober participantEnglober;
 
 	public void boxStart(List<String> comment, HtmlColor color) {
-		if (boxPending) {
+		if (participantEnglober != null) {
 			throw new IllegalStateException();
 		}
-		this.boxStart = getLastParticipant();
+		this.participantEnglober = new ParticipantEnglober(comment, color);
-		this.boxStartComment = comment;
-		this.boxColor = color;
-		this.boxPending = true;
 	}
 
 	public void endBox() {
-		if (boxPending == false) {
+		if (participantEnglober == null) {
 			throw new IllegalStateException();
 		}
-		final Participant last = getLastParticipant();
+		this.participantEnglober = null;
-		this.participantEnglobers.add(new ParticipantEnglober(next(boxStart), last, boxStartComment, boxColor));
-		this.boxStart = null;
-		this.boxStartComment = null;
-		this.boxColor = null;
-		this.boxPending = false;
 	}
 
 	public boolean isBoxPending() {
-		return boxPending;
+		return participantEnglober != null;
 	}
 
-	private Participant next(Participant p) {
+//	private Participant next(Participant p) {
-		if (p == null) {
+//		if (p == null) {
-			return participants.values().iterator().next();
+//			return participants.values().iterator().next();
-		}
+//		}
-		for (final Iterator<Participant> it = participants.values().iterator(); it.hasNext();) {
+//		for (final Iterator<Participant> it = participants.values().iterator(); it.hasNext();) {
-			final Participant current = it.next();
+//			final Participant current = it.next();
-			if (current == p && it.hasNext()) {
+//			if (current == p && it.hasNext()) {
-				return it.next();
+//				return it.next();
-			}
+//			}
-		}
+//		}
-		throw new IllegalArgumentException("p=" + p.getCode());
+//		throw new IllegalArgumentException("p=" + p.getCode());
-	}
+//	}
-
+//
-	private Participant getLastParticipant() {
+//	private Participant getLastParticipant() {
-		Participant result = null;
+//		Participant result = null;
-		for (Participant p : participants.values()) {
+//		for (Participant p : participants.values()) {
-			result = p;
+//			result = p;
-		}
+//		}
-		return result;
+//		return result;
-	}
+//	}
-
+//
-	public final List<ParticipantEnglober> getParticipantEnglobers() {
+//	public final List<ParticipantEnglober> getParticipantEnglobers() {
-		return Collections.unmodifiableList(participantEnglobers);
+//		return Collections.unmodifiableList(participantEnglobers);
-	}
+//	}
 
 	@Override
 	public int getNbImages() {
 		return getSequenceDiagramPngMaker(new FileFormatOption(FileFormat.PNG)).getNbPages();
 	}
 
+	public void removeHiddenParticipants() {
+		for (Participant p : new ArrayList<Participant>(participants.values())) {
+			if (isAlone(p)) {
+				remove(p);
+			}
+		}
+	}
+
+	private void remove(Participant p) {
+		final boolean ok = participants.values().remove(p);
+		if (ok==false) {
+			throw new IllegalArgumentException();
+		}
+		participantEnglobers2.remove(p);
+	}
+
+	private boolean isAlone(Participant p) {
+		for (Event ev : events) {
+			if (ev.dealWith(p)) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	public void putParticipantInLast(String code) {
+		final Participant p = participants.get(code);
+		if (p == null) {
+			throw new IllegalArgumentException(code);
+		}
+		participants.remove(code);
+		participants.put(code, p);
+		participantEnglobers2.put(p, participantEnglober);
+	}
+
+	public ParticipantEnglober getEnglober(Participant p) {
+		return participantEnglobers2.get(p);
+	}
+
 }

src/net/sourceforge/plantuml/sequencediagram/SequenceDiagramFactory.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5933 $
+ * Revision $Revision: 6097 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram;
@@ -106,5 +106,14 @@ public class SequenceDiagramFactory extends AbstractUmlSystemCommandFactory {
 	public SequenceDiagram getSystem() {
 		return system;
 	}
+	
+	
+	@Override
+	public String checkFinalError() {
+		if (system.isHideUnlinkedData()) {
+			system.removeHiddenParticipants();
+		}
+		return super.checkFinalError();
+	}
 
 }

src/net/sourceforge/plantuml/sequencediagram/command/CommandParticipant.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5728 $
+ * Revision $Revision: 6109 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram.command;
@@ -55,7 +55,8 @@ public class CommandParticipant extends SingleLineCommand<SequenceDiagram> {
 	protected CommandExecutionResult executeArg(List<String> arg) {
 		final String code = arg.get(2);
 		if (getSystem().participants().containsKey(code)) {
-			return CommandExecutionResult.error("Duplicate participant : "+code);
+			getSystem().putParticipantInLast(code);
+			return CommandExecutionResult.ok();
 		}
 
 		List<String> strings = null;

src/net/sourceforge/plantuml/sequencediagram/command/CommandParticipant2.java

@@ -55,7 +55,8 @@ public class CommandParticipant2 extends SingleLineCommand<SequenceDiagram> {
 	protected CommandExecutionResult executeArg(List<String> arg) {
 		final String code = arg.get(1);
 		if (getSystem().participants().containsKey(code)) {
-			return CommandExecutionResult.error("Duplicate participant : " + code);
+			getSystem().putParticipantInLast(code);
+			return CommandExecutionResult.ok();
 		}
 
 		final List<String> strings = StringUtils.getWithNewlines(arg.get(2));

src/net/sourceforge/plantuml/sequencediagram/graphic/DrawableSet.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5829 $
+ * Revision $Revision: 6113 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram.graphic;
@@ -51,6 +51,7 @@ import net.sourceforge.plantuml.sequencediagram.Event;
 import net.sourceforge.plantuml.sequencediagram.Newpage;
 import net.sourceforge.plantuml.sequencediagram.Participant;
 import net.sourceforge.plantuml.sequencediagram.ParticipantEnglober;
+import net.sourceforge.plantuml.sequencediagram.ParticipantEngloberContexted;
 import net.sourceforge.plantuml.skin.Component;
 import net.sourceforge.plantuml.skin.ComponentType;
 import net.sourceforge.plantuml.skin.Context2D;
@@ -63,7 +64,8 @@ class DrawableSet {
 
 	private final Map<Participant, LivingParticipantBox> participants = new LinkedHashMap<Participant, LivingParticipantBox>();
 	private final Map<Event, GraphicalElement> events = new HashMap<Event, GraphicalElement>();
-	private final List<ParticipantEnglober> participantEnglobers = new ArrayList<ParticipantEnglober>();
+	private final Map<Participant, ParticipantEnglober> participantEnglobers2 = new LinkedHashMap<Participant, ParticipantEnglober>();
+
 	private final List<Event> eventsList = new ArrayList<Event>();
 	private final Skin skin;
 	private final ISkinParam skinParam;
@@ -129,19 +131,41 @@ class DrawableSet {
 	public double getHeadAndEngloberHeight(Participant p, StringBounder stringBounder) {
 		final LivingParticipantBox box = participants.get(p);
 		final double height = box.getParticipantBox().getHeadHeight(stringBounder);
-		final ParticipantEnglober englober = getParticipantEnglober(p);
+		final ParticipantEngloberContexted englober = getParticipantEnglober(p);
 		if (englober == null) {
 			return height;
 		}
-		final Component comp = skin.createComponent(ComponentType.ENGLOBER, skinParam, englober.getTitle());
+		final Component comp = skin.createComponent(ComponentType.ENGLOBER, skinParam, englober
+				.getParticipantEnglober().getTitle());
 		final double heightEnglober = comp.getPreferredHeight(stringBounder);
 		return height + heightEnglober;
 	}
 
+	public List<ParticipantEngloberContexted> getExistingParticipantEnglober2() {
+		final List<ParticipantEngloberContexted> result = new ArrayList<ParticipantEngloberContexted>();
+		ParticipantEngloberContexted pending = null;
+		for (Map.Entry<Participant, ParticipantEnglober> ent : participantEnglobers2.entrySet()) {
+			final ParticipantEnglober englober = ent.getValue();
+			if (englober == null) {
+				pending = null;
+				continue;
+			}
+			assert englober != null;
+			if (pending != null && englober == pending.getParticipantEnglober()) {
+				pending.add(ent.getKey());
+				continue;
+			}
+			pending = new ParticipantEngloberContexted(englober, ent.getKey());
+			result.add(pending);
+		}
+		return Collections.unmodifiableList(result);
+	}
+
 	public double getOffsetForEnglobers(StringBounder stringBounder) {
 		double result = 0;
-		for (ParticipantEnglober englober : participantEnglobers) {
+		for (ParticipantEngloberContexted englober : getExistingParticipantEnglober2()) {
-			final Component comp = skin.createComponent(ComponentType.ENGLOBER, skinParam, englober.getTitle());
+			final Component comp = skin.createComponent(ComponentType.ENGLOBER, skinParam, englober
+					.getParticipantEnglober().getTitle());
 			final double height = comp.getPreferredHeight(stringBounder);
 			if (height > result) {
 				result = height;
@@ -154,7 +178,7 @@ class DrawableSet {
 	static private final int MARGIN_FOR_ENGLOBERS1 = 2;
 
 	public double getTailHeight(StringBounder stringBounder, boolean showTail) {
-		final double marginForEnglobers = this.participantEnglobers.size() > 0 ? MARGIN_FOR_ENGLOBERS : 0;
+		final double marginForEnglobers = getExistingParticipantEnglober2().size() > 0 ? MARGIN_FOR_ENGLOBERS : 0;
 
 		if (showTail == false) {
 			return 1 + marginForEnglobers;
@@ -167,7 +191,15 @@ class DrawableSet {
 		return r + marginForEnglobers;
 	}
 
-	public void addParticipant(Participant p, LivingParticipantBox box) {
+	public void addParticipant(Participant p, ParticipantEnglober participantEnglober) {
+		participants.put(p, null);
+		participantEnglobers2.put(p, participantEnglober);
+	}
+
+	public void setLivingParticipantBox(Participant p, LivingParticipantBox box) {
+		if (participants.containsKey(p) == false) {
+			throw new IllegalArgumentException();
+		}
 		participants.put(p, box);
 	}
 
@@ -283,16 +315,17 @@ class DrawableSet {
 	}
 
 	private void drawEnglobers(UGraphic ug, double height, Context2D context) {
-		for (ParticipantEnglober englober : participantEnglobers) {
+		for (ParticipantEngloberContexted englober : getExistingParticipantEnglober2()) {
 			double x1 = getX1(englober);
 			final double x2 = getX2(ug.getStringBounder(), englober);
 
-			final Component comp = getEngloberComponent(englober);
+			final Component comp = getEngloberComponent(englober.getParticipantEnglober());
 
 			final double width = x2 - x1;
-			final double preferedWidth = getEngloberPreferedWidth(ug.getStringBounder(), englober);
+			final double preferedWidth = getEngloberPreferedWidth(ug.getStringBounder(),
+					englober.getParticipantEnglober());
 			if (preferedWidth > width) {
-				if (englober.getFirst() == englober.getLast()) {
+				if (englober.getFirst2() == englober.getLast2()) {
 					x1 -= (preferedWidth - width) / 2;
 				}
 				final Dimension2DDouble dim = new Dimension2DDouble(preferedWidth, height);
@@ -313,19 +346,19 @@ class DrawableSet {
 	}
 
 	private Component getEngloberComponent(ParticipantEnglober englober) {
-		final ISkinParam s = englober.getBoxColor() == null ? skinParam : new SkinParamBackcolored(skinParam, englober
+		final ISkinParam s = englober.getBoxColor() == null ? skinParam : new SkinParamBackcolored(skinParam,
-				.getBoxColor());
+				englober.getBoxColor());
 		return skin.createComponent(ComponentType.ENGLOBER, s, englober.getTitle());
 	}
 
-	private double getX1(ParticipantEnglober englober) {
+	private double getX1(ParticipantEngloberContexted englober) {
-		final Participant first = englober.getFirst();
+		final Participant first = englober.getFirst2();
 		final ParticipantBox firstBox = participants.get(first).getParticipantBox();
 		return firstBox.getStartingX() + 1;
 	}
 
-	private double getX2(StringBounder stringBounder, ParticipantEnglober englober) {
+	private double getX2(StringBounder stringBounder, ParticipantEngloberContexted englober) {
-		final Participant last = englober.getLast();
+		final Participant last = englober.getLast2();
 		final ParticipantBox lastBox = participants.get(last).getParticipantBox();
 		return lastBox.getMaxX(stringBounder) - 1;
 	}
@@ -337,32 +370,32 @@ class DrawableSet {
 		line.drawU(ug, getSkin(), skinParam);
 	}
 
-	public void addParticipantEnglober(ParticipantEnglober englober) {
+	// public void addParticipantEnglober(ParticipantEnglober englober) {
-		participantEnglobers.add(englober);
+	// participantEnglobers.add(englober);
-	}
+	// }
 
-	private boolean contains(ParticipantEnglober englober, Participant toTest) {
+	// private boolean contains(ParticipantEngloberContexted englober, Participant toTest) {
-		if (toTest == englober.getFirst() || toTest == englober.getLast()) {
+	// if (toTest == englober.getFirst2() || toTest == englober.getLast2()) {
-			return true;
+	// return true;
-		}
+	// }
-		boolean inside = false;
+	// boolean inside = false;
-		for (Participant p : participants.keySet()) {
+	// for (Participant p : participants.keySet()) {
-			if (p == englober.getFirst()) {
+	// if (p == englober.getFirst2()) {
-				inside = true;
+	// inside = true;
-			}
+	// }
-			if (p == toTest) {
+	// if (p == toTest) {
-				return inside;
+	// return inside;
-			}
+	// }
-			if (p == englober.getLast()) {
+	// if (p == englober.getLast2()) {
-				inside = false;
+	// inside = false;
-			}
+	// }
-		}
+	// }
-		throw new IllegalArgumentException();
+	// throw new IllegalArgumentException();
-	}
+	// }
 
-	private ParticipantEnglober getParticipantEnglober(Participant p) {
+	private ParticipantEngloberContexted getParticipantEnglober(Participant p) {
-		for (ParticipantEnglober pe : participantEnglobers) {
+		for (ParticipantEngloberContexted pe : getExistingParticipantEnglober2()) {
-			if (contains(pe, p)) {
+			if (pe.contains(p)) {
 				return pe;
 			}
 		}
@@ -373,8 +406,8 @@ class DrawableSet {
 		this.topStartingY = topStartingY;
 	}
 
-	public final List<ParticipantEnglober> getParticipantEnglobers() {
+	// public final List<ParticipantEnglober> getParticipantEnglobers() {
-		return Collections.unmodifiableList(participantEnglobers);
+	// return Collections.unmodifiableList(participantEnglobers);
-	}
+	// }
 
 }

src/net/sourceforge/plantuml/sequencediagram/graphic/DrawableSetInitializer.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6046 $
+ * Revision $Revision: 6113 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram.graphic;
@@ -57,6 +57,7 @@ import net.sourceforge.plantuml.sequencediagram.Newpage;
 import net.sourceforge.plantuml.sequencediagram.Note;
 import net.sourceforge.plantuml.sequencediagram.Participant;
 import net.sourceforge.plantuml.sequencediagram.ParticipantEnglober;
+import net.sourceforge.plantuml.sequencediagram.ParticipantEngloberContexted;
 import net.sourceforge.plantuml.sequencediagram.ParticipantType;
 import net.sourceforge.plantuml.skin.Component;
 import net.sourceforge.plantuml.skin.ComponentType;
@@ -164,10 +165,11 @@ class DrawableSetInitializer {
 	}
 
 	private void takeParticipantEngloberTitleWidth(StringBounder stringBounder) {
-		for (ParticipantEnglober pe : drawableSet.getParticipantEnglobers()) {
+		for (ParticipantEngloberContexted pe : drawableSet.getExistingParticipantEnglober2()) {
-			final double preferredWidth = drawableSet.getEngloberPreferedWidth(stringBounder, pe);
+			final double preferredWidth = drawableSet.getEngloberPreferedWidth(stringBounder,
-			final ParticipantBox first = drawableSet.getLivingParticipantBox(pe.getFirst()).getParticipantBox();
+					pe.getParticipantEnglober());
-			final ParticipantBox last = drawableSet.getLivingParticipantBox(pe.getLast()).getParticipantBox();
+			final ParticipantBox first = drawableSet.getLivingParticipantBox(pe.getFirst2()).getParticipantBox();
+			final ParticipantBox last = drawableSet.getLivingParticipantBox(pe.getLast2()).getParticipantBox();
 			if (first == last) {
 				final Constraint constraint1 = constraintSet.getConstraintBefore(first);
 				final Constraint constraint2 = constraintSet.getConstraintAfter(last);
@@ -420,21 +422,21 @@ class DrawableSetInitializer {
 				drawableSet.getSkinParam(), null);
 
 		final LifeLine lifeLine = new LifeLine(box, comp.getPreferredWidth(stringBounder));
-		drawableSet.addParticipant(p, new LivingParticipantBox(box, lifeLine));
+		drawableSet.setLivingParticipantBox(p, new LivingParticipantBox(box, lifeLine));
 
 		this.freeX = box.getMaxX(stringBounder);
 	}
 
-	public void addParticipant(Participant p) {
+	public void addParticipant(Participant p, ParticipantEnglober participantEnglober) {
-		drawableSet.addParticipant(p, null);
+		drawableSet.addParticipant(p, participantEnglober);
 	}
 
 	public void addEvent(Event event) {
 		drawableSet.addEvent(event, null);
 	}
 
-	public void addParticipantEnglober(ParticipantEnglober englober) {
+	// public void addParticipantEnglober(ParticipantEnglober englober) {
-		drawableSet.addParticipantEnglober(englober);
+	// drawableSet.addParticipantEnglober(englober);
-	}
+	// }
 
 }

src/net/sourceforge/plantuml/sequencediagram/graphic/SequenceDiagramFileMaker.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 5872 $
+ * Revision $Revision: 6113 $
  *
  */
 package net.sourceforge.plantuml.sequencediagram.graphic;
@@ -103,11 +103,11 @@ public class SequenceDiagramFileMaker implements FileMaker {
 				sequenceDiagram.isShowFootbox(), sequenceDiagram.getAutonewpage());
 
 		for (Participant p : sequenceDiagram.participants().values()) {
-			initializer.addParticipant(p);
+			initializer.addParticipant(p, sequenceDiagram.getEnglober(p));
-		}
-		for (ParticipantEnglober englober : sequenceDiagram.getParticipantEnglobers()) {
-			initializer.addParticipantEnglober(englober);
 		}
+//		for (ParticipantEnglober englober : sequenceDiagram.getParticipantEnglobers()) {
+//			initializer.addParticipantEnglober(englober);
+//		}
 
 		for (Event ev : sequenceDiagram.events()) {
 			initializer.addEvent(ev);

src/net/sourceforge/plantuml/sequencediagram/graphic/SequenceDiagramTxtMaker.java

@@ -73,7 +73,7 @@ public class SequenceDiagramTxtMaker implements FileMaker {
 				sequenceDiagram.isShowFootbox(), sequenceDiagram.getAutonewpage());
 
 		for (Participant p : sequenceDiagram.participants().values()) {
-			initializer.addParticipant(p);
+			initializer.addParticipant(p, null);
 		}
 		for (Event ev : sequenceDiagram.events()) {
 			initializer.addEvent(ev);

src/net/sourceforge/plantuml/sequencediagram/graphic/Step1Abstract.java

@@ -89,7 +89,12 @@ abstract class Step1Abstract {
 			return;
 		}
 		assert n.getType() == LifeEventType.ACTIVATE;
-		line.addSegmentVariation(LifeSegmentVariation.LARGER, pos, n.getSpecificBackColor());
+
+		int delta = 0;
+		if (message.isCreate()) {
+			delta += 10;
+		}
+		line.addSegmentVariation(LifeSegmentVariation.LARGER, pos + delta, n.getSpecificBackColor());
 	}
 
 	protected final void afterMessage(StringBounder stringBounder, LifeEvent n, final double pos) {
@@ -150,7 +155,8 @@ abstract class Step1Abstract {
 		freeY += v;
 	}
 
-	protected final NoteBox createNoteBox(StringBounder stringBounder, Arrow arrow, Component noteComp, NotePosition notePosition) {
+	protected final NoteBox createNoteBox(StringBounder stringBounder, Arrow arrow, Component noteComp,
+			NotePosition notePosition) {
 		final LivingParticipantBox p = arrow.getParticipantAt(stringBounder, notePosition);
 		final NoteBox noteBox = new NoteBox(arrow.getStartingY(), noteComp, p, null, notePosition);
 

src/net/sourceforge/plantuml/statediagram/StateDiagram.java

@@ -28,11 +28,14 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6085 $
+ * Revision $Revision: 6095 $
  *
  */
 package net.sourceforge.plantuml.statediagram;
 
+import java.util.Arrays;
+import java.util.List;
+
 import net.sourceforge.plantuml.UmlDiagramType;
 import net.sourceforge.plantuml.UniqueSequence;
 import net.sourceforge.plantuml.classdiagram.AbstractEntityDiagram;
@@ -102,5 +105,14 @@ public class StateDiagram extends AbstractEntityDiagram {
 	public UmlDiagramType getUmlDiagramType() {
 		return UmlDiagramType.STATE;
 	}
+	
+//	@Override
+//	final protected List<String> getDotStrings() {
+//		return Arrays.asList("nodesep=1.95;", "ranksep=1.8;", "edge [fontsize=11,labelfontsize=11];",
+//		"node [fontsize=11,height=.35,width=.55];");
+//	}
+
+	
+	
 
 }

src/net/sourceforge/plantuml/usecasediagram/command/CommandLinkUsecase2.java

@@ -61,7 +61,7 @@ public class CommandLinkUsecase2 extends SingleLineCommand2<UsecaseDiagram> {
 				getGroup("ENT1"),
 				new RegexLeaf("\\s*"),
 				new RegexOr(
-						new RegexLeaf("LEFT_TO_RIGHT", "(([-=.]+)(left|right|up|down|le?|ri?|up?|do?)?([-=.]*)([\\]>]|\\|[>\\]])?)"),
+						new RegexLeaf("LEFT_TO_RIGHT", "(([-=.]+)(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?([-=.]*)([\\]>]|\\|[>\\]])?)"),
 						new RegexLeaf("RIGHT_TO_LEFT", "(([\\[<]|[<\\[]\\|)?([-=.]*)(left|right|up|down|le?|ri?|up?|do?)?([-=.]+))")),
 				new RegexLeaf("\\s*"),
 				getGroup("ENT2"),

src/net/sourceforge/plantuml/version/Version.java

@@ -28,7 +28,7 @@
  *
  * Original Author:  Arnaud Roques
  * 
- * Revision $Revision: 6086 $
+ * Revision $Revision: 6122 $
  *
  */
 package net.sourceforge.plantuml.version;
@@ -36,11 +36,11 @@ package net.sourceforge.plantuml.version;
 public class Version {
 
 	public static int version() {
-		return 6085;
+		return 6121;
 	}
 
 	public static long compileTime() {
-		return 1296252260468L;
+		return 1297683757562L;
 	}
 
 }