diff --git a/src/fr/devinsy/xidyn/data/DisplayMode.java b/src/fr/devinsy/xidyn/data/DisplayMode.java
new file mode 100644
index 0000000..fe9218c
--- /dev/null
+++ b/src/fr/devinsy/xidyn/data/DisplayMode.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2006-2017,2020 Christian Pierre MOMON
+ * 
+ * This file is part of Xidyn.
+ * 
+ * Xidyn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Xidyn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Xidyn.  If not, see <http://www.gnu.org/licenses/>
+ */
+package fr.devinsy.xidyn.data;
+
+/**
+ * The Enum DisplayMode.
+ */
+public enum DisplayMode
+{
+    REPLACE,
+    APPEND,
+    IGNORE
+};
diff --git a/src/fr/devinsy/xidyn/data/SimpleTagData.java b/src/fr/devinsy/xidyn/data/SimpleTagData.java
index a0d553c..1afd821 100644
--- a/src/fr/devinsy/xidyn/data/SimpleTagData.java
+++ b/src/fr/devinsy/xidyn/data/SimpleTagData.java
@@ -20,6 +20,8 @@ package fr.devinsy.xidyn.data;
 
 import java.io.Serializable;
 
+import fr.devinsy.strings.StringsUtils;
+
 /**
  * The Class SimpleTagData.
  * 
@@ -47,17 +49,10 @@ public class SimpleTagData implements Serializable, TagData
         ALL_ROWS
     }
 
-    public enum MODE
-    {
-        REPLACE,
-        APPEND,
-        IGNORE
-    };
-
-    private IterationStrategy iterationStrategy;
+    IterationStrategy iterationStrategy;
     private TagAttributes attributes;
     private boolean excludeSection;
-    private MODE displayMode = MODE.REPLACE;
+    private DisplayMode displayMode = DisplayMode.REPLACE;
     private String content;
 
     /**
@@ -65,11 +60,7 @@ public class SimpleTagData implements Serializable, TagData
      */
     public SimpleTagData()
     {
-        this.attributes = null;
-        this.excludeSection = false;
-        this.displayMode = MODE.REPLACE;
-        this.content = null;
-        this.iterationStrategy = IterationStrategy.ALL_ROWS;
+        this(null);
     }
 
     /**
@@ -80,9 +71,9 @@ public class SimpleTagData implements Serializable, TagData
      */
     public SimpleTagData(final String text)
     {
-        this.attributes = null;
+        this.attributes = new TagAttributes();
         this.excludeSection = false;
-        this.displayMode = MODE.REPLACE;
+        this.displayMode = DisplayMode.REPLACE;
         this.content = text;
         this.iterationStrategy = IterationStrategy.ALL_ROWS;
     }
@@ -127,40 +118,20 @@ public class SimpleTagData implements Serializable, TagData
     {
         TagAttributes result;
 
-        if (this.attributes == null)
-        {
-            this.attributes = new TagAttributes();
-        }
-
         result = this.attributes;
 
         //
         return result;
     }
 
-    /**
-     * Display.
-     * 
-     * @return the string
-     */
-    public String display()
-    {
-        String result;
-
-        result = this.content;
-
-        //
-        return result;
-    }
-
     /**
      * Display mode.
      * 
      * @return the mode
      */
-    public MODE displayMode()
+    public DisplayMode displayMode()
     {
-        MODE result;
+        DisplayMode result;
 
         result = this.displayMode;
 
@@ -189,11 +160,76 @@ public class SimpleTagData implements Serializable, TagData
      *            the label
      * @return the attribute
      */
-    public String getAttribute(final String label)
+    public TagAttribute getAttribute(final String label)
+    {
+        TagAttribute result;
+
+        result = this.attributes.getAttribute(label);
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the attribute mode.
+     *
+     * @param label
+     *            the label
+     * @return the attribute mode
+     */
+    public DisplayMode getAttributeMode(final String label)
+    {
+        DisplayMode result;
+
+        TagAttribute attribute = this.attributes.get(label);
+        if (attribute == null)
+        {
+            result = null;
+        }
+        else
+        {
+            result = attribute.getMode();
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the attribute value.
+     *
+     * @param label
+     *            the label
+     * @return the attribute value
+     */
+    public String getAttributeValue(final String label)
     {
         String result;
 
-        result = this.attributes.getAttribute(label);
+        TagAttribute attribute = this.attributes.get(label);
+        if (attribute == null)
+        {
+            result = null;
+        }
+        else
+        {
+            result = attribute.getValue();
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Display.
+     * 
+     * @return the string
+     */
+    public String getContent()
+    {
+        String result;
+
+        result = this.content;
 
         //
         return result;
@@ -224,7 +260,66 @@ public class SimpleTagData implements Serializable, TagData
      */
     public void setAttribute(final String label, final String value)
     {
-        this.attributes.put(label, value);
+        if (this.attributes.containsKey(label))
+        {
+            this.attributes.get(label).setValue(value);
+        }
+        else
+        {
+            if (StringsUtils.containsAnyIgnoreCase(label, "style", "class"))
+            {
+                this.attributes.put(label, new TagAttribute(label, value, DisplayMode.APPEND));
+            }
+            else
+            {
+                this.attributes.put(label, new TagAttribute(label, value));
+            }
+        }
+    }
+
+    /**
+     * Sets the attribute.
+     *
+     * @param label
+     *            the label
+     * @param value
+     *            the value
+     * @param mode
+     *            the mode
+     */
+    public void setAttribute(final String label, final String value, final DisplayMode mode)
+    {
+        if (this.attributes.containsKey(label))
+        {
+            TagAttribute attribute = this.attributes.get(label);
+            attribute.setValue(value);
+            attribute.setMode(mode);
+        }
+        else
+        {
+            this.attributes.put(label, new TagAttribute(label, value, mode));
+        }
+    }
+
+    /**
+     * Sets the attribute mode.
+     *
+     * @param label
+     *            the label
+     * @param mode
+     *            the mode
+     */
+    public void setAttributeMode(final String label, final DisplayMode mode)
+    {
+        if (this.attributes.containsKey(label))
+        {
+            this.attributes.get(label).setMode(mode);
+        }
+        else
+        {
+            TagAttribute tag = new TagAttribute(label, null, mode);
+            this.attributes.put(label, tag);
+        }
     }
 
     /**
@@ -244,7 +339,7 @@ public class SimpleTagData implements Serializable, TagData
      * @param displayMode
      *            the new display mode
      */
-    public void setDisplayMode(final MODE displayMode)
+    public void setDisplayMode(final DisplayMode displayMode)
     {
         this.displayMode = displayMode;
     }
diff --git a/src/fr/devinsy/xidyn/data/TagAttribute.java b/src/fr/devinsy/xidyn/data/TagAttribute.java
new file mode 100644
index 0000000..24ba9e9
--- /dev/null
+++ b/src/fr/devinsy/xidyn/data/TagAttribute.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2020 Christian Pierre MOMON
+ * 
+ * This file is part of Xidyn.
+ * 
+ * Xidyn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Xidyn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Xidyn.  If not, see <http://www.gnu.org/licenses/>
+ */
+package fr.devinsy.xidyn.data;
+
+/**
+ * The Class TagAttribute.
+ */
+public class TagAttribute
+{
+    private DisplayMode mode;
+    private String label;
+    private String value;
+
+    /**
+     * Instantiates a new tag attribute.
+     *
+     * @param value
+     *            the value
+     */
+    public TagAttribute(final String label, final String value)
+    {
+        this(label, value, DisplayMode.REPLACE);
+    }
+
+    /**
+     * Instantiates a new tag attribute.
+     *
+     * @param label
+     *            the label
+     * @param value
+     *            the value
+     * @param mode
+     *            the mode
+     */
+    public TagAttribute(final String label, final String value, final DisplayMode mode)
+    {
+        this.mode = mode;
+        this.label = label;
+        this.value = value;
+    }
+
+    /**
+     * Append value.
+     *
+     * @param value
+     *            the value
+     */
+    public void appendValue(final String value)
+    {
+        if (this.value == null)
+        {
+            this.value = value;
+        }
+        else
+        {
+            this.value = this.value + " " + value;
+        }
+    }
+
+    public String getLabel()
+    {
+        return this.label;
+    }
+
+    public DisplayMode getMode()
+    {
+        return this.mode;
+    }
+
+    public String getValue()
+    {
+        return this.value;
+    }
+
+    /**
+     * Sets the mode.
+     *
+     * @param mode
+     *            the new mode
+     */
+    public void setMode(final DisplayMode mode)
+    {
+        if (mode == null)
+        {
+            throw new IllegalArgumentException("Null parameter.");
+        }
+        else
+        {
+            this.mode = mode;
+        }
+    }
+
+    public void setValue(final String value)
+    {
+        this.value = value;
+    }
+}
diff --git a/src/fr/devinsy/xidyn/data/TagAttributes.java b/src/fr/devinsy/xidyn/data/TagAttributes.java
index 0fcfdb9..d7e2c47 100644
--- a/src/fr/devinsy/xidyn/data/TagAttributes.java
+++ b/src/fr/devinsy/xidyn/data/TagAttributes.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2017 Christian Pierre MOMON
+ * Copyright (C) 2006-2017,2020 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -19,6 +19,7 @@
 package fr.devinsy.xidyn.data;
 
 import java.util.HashMap;
+import java.util.Iterator;
 
 /**
  * The Class TagAttributes.
@@ -26,8 +27,7 @@ import java.util.HashMap;
  * Note: no more AttrValue as in Brill, because the exception of style is
  * managed in the attribute merging on the "style" string detection.
  */
-
-public class TagAttributes extends HashMap<String, String>
+public class TagAttributes extends HashMap<String, TagAttribute> implements Iterable<TagAttribute>
 {
     private static final long serialVersionUID = 2802739066295665336L;
 
@@ -62,11 +62,11 @@ public class TagAttributes extends HashMap<String, String>
     {
         if (this.containsKey(label))
         {
-            this.put(label, this.get(label) + " " + value);
+            this.get(label).appendValue(value);
         }
         else
         {
-            this.put(label, value);
+            this.put(label, new TagAttribute(label, value));
         }
     }
 
@@ -77,9 +77,9 @@ public class TagAttributes extends HashMap<String, String>
      *            the label
      * @return the attribute
      */
-    public String getAttribute(final String label)
+    public TagAttribute getAttribute(final String label)
     {
-        String result;
+        TagAttribute result;
 
         if (this.containsKey(label))
         {
@@ -95,15 +95,18 @@ public class TagAttributes extends HashMap<String, String>
     }
 
     /**
-     * Sets the attribute.
+     * Iterator.
      *
-     * @param label
-     *            the label
-     * @param value
-     *            the value
+     * @return the iterator
      */
-    public void setAttribute(final String label, final String value)
+    @Override
+    public Iterator<TagAttribute> iterator()
     {
-        this.put(label, value);
+        Iterator<TagAttribute> result;
+
+        result = this.values().iterator();
+
+        //
+        return result;
     }
 }
diff --git a/src/fr/devinsy/xidyn/data/TagDataManager.java b/src/fr/devinsy/xidyn/data/TagDataManager.java
index ed50eb4..9e27a10 100644
--- a/src/fr/devinsy/xidyn/data/TagDataManager.java
+++ b/src/fr/devinsy/xidyn/data/TagDataManager.java
@@ -428,7 +428,7 @@ public class TagDataManager
     {
         SimpleTagData tag = this.getIdData(id);
 
-        tag.attributes().setAttribute("class", DomPresenterCore.NODISPLAY_CLASS);
+        tag.setAttribute("class", DomPresenterCore.NODISPLAY_CLASS);
     }
 
     /**
@@ -464,7 +464,7 @@ public class TagDataManager
     {
         SimpleTagData tag = this.getIdData(id, line);
 
-        tag.attributes().setAttribute(label, value);
+        tag.setAttribute(label, value);
     }
 
     /**
@@ -504,7 +504,7 @@ public class TagDataManager
     {
         SimpleTagData tag = this.getIdData(id, line, column);
 
-        tag.attributes().setAttribute(label, value);
+        tag.setAttribute(label, value);
     }
 
     /**
@@ -536,7 +536,7 @@ public class TagDataManager
     {
         SimpleTagData tag = this.getIdData(id);
 
-        tag.attributes().setAttribute(label, value);
+        tag.setAttribute(label, value);
     }
 
     /**
diff --git a/src/fr/devinsy/xidyn/demo/XidynDemo.java b/src/fr/devinsy/xidyn/demo/XidynDemo.java
index bc60b16..a492a5c 100644
--- a/src/fr/devinsy/xidyn/demo/XidynDemo.java
+++ b/src/fr/devinsy/xidyn/demo/XidynDemo.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2018 Christian Pierre MOMON
+ * Copyright (C) 2006-2018,2020 Christian Pierre MOMON
  * 
  * This file is part of Xidyn.
  * 
@@ -73,7 +73,7 @@ class XidynDemo
             }
             catch (Exception exception)
             {
-                System.out.println(exception.getMessage());
+                System.out.println("Demo failed: " + exception.getMessage());
                 exception.printStackTrace();
             }
         }
@@ -107,7 +107,8 @@ class XidynDemo
             }
             catch (Exception exception)
             {
-                System.out.println(exception.getMessage());
+                System.out.println("Demo failed: " + exception.getMessage());
+                exception.printStackTrace();
             }
         }
 
@@ -148,7 +149,8 @@ class XidynDemo
             }
             catch (Exception exception)
             {
-                System.out.println(exception.getMessage());
+                System.out.println("Demo failed: " + exception.getMessage());
+                exception.printStackTrace();
             }
         }
 
@@ -190,7 +192,8 @@ class XidynDemo
             }
             catch (Exception exception)
             {
-                System.out.println(exception.getMessage());
+                System.out.println("Demo failed: " + exception.getMessage());
+                exception.printStackTrace();
             }
         }
 
diff --git a/src/fr/devinsy/xidyn/presenters/DomPresenterCore.java b/src/fr/devinsy/xidyn/presenters/DomPresenterCore.java
index 1614517..bdf1424 100644
--- a/src/fr/devinsy/xidyn/presenters/DomPresenterCore.java
+++ b/src/fr/devinsy/xidyn/presenters/DomPresenterCore.java
@@ -34,7 +34,9 @@ import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
 import fr.devinsy.xidyn.XidynException;
+import fr.devinsy.xidyn.data.DisplayMode;
 import fr.devinsy.xidyn.data.SimpleTagData;
+import fr.devinsy.xidyn.data.TagAttribute;
 import fr.devinsy.xidyn.data.TagAttributes;
 import fr.devinsy.xidyn.data.TagData;
 import fr.devinsy.xidyn.data.TagDataListById;
@@ -349,26 +351,26 @@ public class DomPresenterCore
         // Put model attributes in the merged attributes list.
         if (dataAttributes != null)
         {
-            Iterator<Map.Entry<String, String>> iterator = dataAttributes.entrySet().iterator();
-
-            while (iterator.hasNext())
+            for (TagAttribute attribute : dataAttributes)
             {
-                Map.Entry<String, String> attribute = iterator.next();
-
-                if (mergedAttributes.containsKey(attribute.getKey()))
+                if (mergedAttributes.containsKey(attribute.getLabel()))
                 {
-                    if (attribute.getKey().equalsIgnoreCase("style"))
+                    if (attribute.getMode() == DisplayMode.APPEND)
                     {
-                        mergedAttributes.put(attribute.getKey(), mergedAttributes.get(attribute.getKey()) + attribute.getValue());
+                        mergedAttributes.put(attribute.getLabel(), mergedAttributes.get(attribute.getLabel()) + " " + attribute.getValue());
+                    }
+                    else if (attribute.getMode() == DisplayMode.REPLACE)
+                    {
+                        mergedAttributes.put(attribute.getLabel(), attribute.getValue());
                     }
                     else
                     {
-                        mergedAttributes.put(attribute.getKey(), attribute.getValue());
+                        // Keep the already merged value.
                     }
                 }
                 else
                 {
-                    mergedAttributes.put(attribute.getKey(), attribute.getValue());
+                    mergedAttributes.put(attribute.getLabel(), attribute.getValue());
                 }
             }
         }
@@ -619,7 +621,7 @@ public class DomPresenterCore
         {
             SimpleTagData data = (SimpleTagData) dataCore;
 
-            String theClass = data.attributes().getAttribute("class");
+            String theClass = data.getAttributeValue("class");
 
             if ((theClass == null) || (!theClass.equals(NODISPLAY_CLASS)))
             {
@@ -630,7 +632,7 @@ public class DomPresenterCore
                 // Build attributes.
                 result.append(processAttributes(attrs, data.attributes(), suffix));
 
-                if (((node.getChildNodes() == null) || (node.getChildNodes().getLength() == 0)) && ((data == null) || (data.display() == null)))
+                if (((node.getChildNodes() == null) || (node.getChildNodes().getLength() == 0)) && ((data == null) || (data.getContent() == null)))
                 {
                     // Close the tag.
                     result.append(" />");
@@ -639,16 +641,14 @@ public class DomPresenterCore
                 {
                     result.append('>');
 
-                    // CHANGED, cpm:
-
                     // Insert data.
-                    if ((data == null) || (data.display() == null))
+                    if ((data == null) || (data.getContent() == null))
                     {
                         processChildren(result, node, datas, suffix);
                     }
                     else
                     {
-                        result.append(data.display());
+                        result.append(data.getContent());
                     }
 
                     // Close the tag.
@@ -662,20 +662,20 @@ public class DomPresenterCore
         {
             TagDataListByIndex tags = (TagDataListByIndex) dataCore;
 
-            int nbLines = tags.size();
-            for (int nLine = 0; nLine < nbLines; nLine++)
+            int lineCount = tags.size();
+            for (int lineIndex = 0; lineIndex < lineCount; lineIndex++)
             {
-                if (tags.elementAt(nLine) instanceof SimpleTagData)
+                if (tags.elementAt(lineIndex) instanceof SimpleTagData)
                 {
-                    SimpleTagData data = (SimpleTagData) tags.elementAt(nLine);
+                    SimpleTagData data = (SimpleTagData) tags.elementAt(lineIndex);
 
                     // Open the tag.
                     result.append("<");
                     result.append(node.getNodeName());
 
-                    result.append(processAttributes(attrs, data.attributes(), Integer.toString(nLine)));
+                    result.append(processAttributes(attrs, data.attributes(), Integer.toString(lineIndex)));
 
-                    if (((node.getChildNodes() == null) || (node.getChildNodes().getLength() == 0)) && ((data == null) || (data.display() == null)))
+                    if (((node.getChildNodes() == null) || (node.getChildNodes().getLength() == 0)) && ((data == null) || (data.getContent() == null)))
                     {
                         // Close the tag.
                         result.append(" />\n");
@@ -687,13 +687,13 @@ public class DomPresenterCore
                         // CHANGED, cpm
 
                         // Insert data.
-                        if ((data == null) || (data.display() == null))
+                        if ((data == null) || (data.getContent() == null))
                         {
                             processChildren(result, node, datas, suffix);
                         }
                         else
                         {
-                            result.append(data.display());
+                            result.append(data.getContent());
                         }
 
                         // Close the tag.
@@ -705,9 +705,9 @@ public class DomPresenterCore
                 else
                 {
                     // Manage a Hashmap.
-                    TagDataListById data = (TagDataListById) tags.elementAt(nLine);
+                    TagDataListById data = (TagDataListById) tags.elementAt(lineIndex);
 
-                    processElementWithId(result, node, attrs, idAttr, data, Integer.toString(nLine));
+                    processElementWithId(result, node, attrs, idAttr, data, Integer.toString(lineIndex));
                     result.append('\n');
                 }
             }
diff --git a/test/fr/devinsy/xidyn/data/TagDataManagerTest.java b/test/fr/devinsy/xidyn/data/TagDataManagerTest.java
index 3ea9c3f..24e0738 100644
--- a/test/fr/devinsy/xidyn/data/TagDataManagerTest.java
+++ b/test/fr/devinsy/xidyn/data/TagDataManagerTest.java
@@ -67,4 +67,192 @@ public class TagDataManagerTest
 
         Assertions.assertThat(target).isEqualTo(source);
     }
+
+    /**
+     * Test 03.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test03a() throws Exception
+    {
+        String source = "<span id='foo' class='bare'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "class", "goodClass");
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span id=\"foo\" class=\"bare goodClass\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 04.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test03b() throws Exception
+    {
+        String source = "<span id='foo' class='bare'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "class", "goodClass");
+        data.getIdData("foo").setAttributeMode("class", DisplayMode.APPEND);
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span id=\"foo\" class=\"bare goodClass\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 05.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test03c() throws Exception
+    {
+        String source = "<span id='foo' class='bare'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "class", "goodClass");
+        data.getIdData("foo").setAttributeMode("class", DisplayMode.REPLACE);
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span id=\"foo\" class=\"goodClass\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 06.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test06a() throws Exception
+    {
+        String source = "<span id='foo' style='width: 100px;'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "style", "goodStyle;");
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span style=\"width: 100px; goodStyle;\" id=\"foo\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    @Test
+    public void test06b() throws Exception
+    {
+        String source = "<span id='foo' style='width: 100px;'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "style", "goodStyle;");
+        data.getIdData("foo").setAttributeMode("style", DisplayMode.APPEND);
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span style=\"width: 100px; goodStyle;\" id=\"foo\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 06 c.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test06c() throws Exception
+    {
+        String source = "<span id='foo' style='width: 100px;'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "style", "goodStyle;");
+        data.getIdData("foo").setAttributeMode("style", DisplayMode.REPLACE);
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span style=\"goodStyle;\" id=\"foo\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 9a.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test09a() throws Exception
+    {
+        String source = "<span id='foo' name='bare'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "name", "good;");
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span name=\"good;\" id=\"foo\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 9 b.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test09b() throws Exception
+    {
+        String source = "<span id='foo' name='bare'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "name", "good;");
+        data.getIdData("foo").setAttributeMode("name", DisplayMode.REPLACE);
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span name=\"good;\" id=\"foo\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
+
+    /**
+     * Test 9 c.
+     *
+     * @throws Exception
+     *             the exception
+     */
+    @Test
+    public void test09c() throws Exception
+    {
+        String source = "<span id='foo' name='bare'>FOOO</span>";
+
+        TagDataManager data = new TagDataManager();
+        data.setAttribute("foo", "name", "good;");
+        data.getIdData("foo").setAttributeMode("name", DisplayMode.APPEND);
+
+        String target = PresenterUtils.dynamize(source, data).toString();
+
+        String goal = "<span name=\"bare good;\" id=\"foo\">FOOO</span>";
+
+        Assertions.assertThat(target).isEqualTo(goal);
+    }
 }