diff --git a/TermTk/TTkCore/canvas.py b/TermTk/TTkCore/canvas.py
index 0098da68..3172906a 100644
--- a/TermTk/TTkCore/canvas.py
+++ b/TermTk/TTkCore/canvas.py
@@ -22,8 +22,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unicodedata
-
 from TermTk.TTkCore.TTkTerm.term import TTkTerm
 from TermTk.TTkCore.constant import TTkK
 from TermTk.TTkCore.log import TTkLog
@@ -197,8 +195,7 @@ class TTkCanvas:
         if self._data[y][x+a] == '':
             self._data[y][x+a]   = TTkCfg.theme.unicodeWideOverflowCh[0]
             self._colors[y][x+a] = TTkCfg.theme.unicodeWideOverflowColor
-        if ( len(ch:=self._data[y][x+b-1])==1
-             and unicodedata.east_asian_width(ch)=='W'):
+        if TTkString._isWideCharData(self._data[y][x+b-1]):
             self._data[y][x+b-1]   = TTkCfg.theme.unicodeWideOverflowCh[1]
             self._colors[y][x+b-1] = TTkCfg.theme.unicodeWideOverflowColor
 
@@ -620,19 +617,16 @@ class TTkCanvas:
             if self._data[y+iy][a]=='':
                 self._data[y+iy][a]   = TTkCfg.theme.unicodeWideOverflowCh[0]
                 self._colors[y+iy][a] = TTkCfg.theme.unicodeWideOverflowColor
-            if ( len(ch:=self._data[y+iy][b-1])==1
-                 and unicodedata.east_asian_width(ch)=='W'):
+            if TTkString._isWideCharData(self._data[y+iy][b-1]):
                 self._data[y+iy][b-1]   = TTkCfg.theme.unicodeWideOverflowCh[1]
                 self._colors[y+iy][b-1] = TTkCfg.theme.unicodeWideOverflowColor
-            if ( a and len(ch:=self._data[y+iy][a-1])==1
-                 and unicodedata.east_asian_width(ch)=='W'):
+            if TTkString._isWideCharData(self._data[y+iy][a-1]):
                 self._data[y+iy][a-1]   = TTkCfg.theme.unicodeWideOverflowCh[1]
                 self._colors[y+iy][a-1] = TTkCfg.theme.unicodeWideOverflowColor
             if ( b<self._width-1 and self._data[y+iy][b]=='' ):
                 self._data[y+iy][b]   = TTkCfg.theme.unicodeWideOverflowCh[0]
                 self._colors[y+iy][b] = TTkCfg.theme.unicodeWideOverflowColor
 
-
     def pushToTerminal(self, x, y, w, h):
         # TTkLog.debug("pushToTerminal")
         lastcolor = TTkColor.RST
diff --git a/TermTk/TTkCore/string.py b/TermTk/TTkCore/string.py
index 17539d38..c03a4878 100644
--- a/TermTk/TTkCore/string.py
+++ b/TermTk/TTkCore/string.py
@@ -537,7 +537,15 @@ class TTkString():
             ret += self + s
         return ret
 
-    # Zero/Half/Normal sized chars helpers:
+    # Unicode Zero/Half/Normal sized chars helpers:
+    @staticmethod
+    def _isWideCharData(ch):
+        if len(ch) == 1:
+            return unicodedata.east_asian_width(ch)=='W'
+        if len(ch) > 1:
+            return unicodedata.east_asian_width(ch[0])=='W'
+        return False
+
     @staticmethod
     def _isSpecialWidthChar(ch):
         return ( unicodedata.east_asian_width(ch) == 'W' or
@@ -594,7 +602,10 @@ class TTkString():
                 retCol += (self._colors[i],self._colors[i])
             elif unicodedata.category(ch) in ('Me','Mn'):
                 if retTxt:
-                    retTxt[-1]+=ch
+                    if len(retTxt)>1 and retTxt[-1] == '':
+                        retTxt[-2]+=ch
+                    else:
+                        retTxt[-1]+=ch
                 #else:
                 #    retTxt = [f"{ch}"]
                 #    retCol = [TTkColor.RST]
diff --git a/TermTk/TTkTestWidgets/testwidget.py b/TermTk/TTkTestWidgets/testwidget.py
index feb5109c..39eb44ab 100644
--- a/TermTk/TTkTestWidgets/testwidget.py
+++ b/TermTk/TTkTestWidgets/testwidget.py
@@ -33,7 +33,7 @@ from TermTk.TTkWidgets.frame import *
 class _TestContent(TTkWidget):
     def paintEvent(self):
         # TTkLog.debug(f"Test Paint - {self._name}")
-        y=0;  self._canvas.drawText(pos=(-5,y),text=TTkString(color=TTkColor.fg("#ff0000") ,text="     L😎rem ipsum dolor sit amet,"))
+        y=0;  self._canvas.drawText(pos=(-5,y),text=TTkString(color=TTkColor.fg("#ff0000") ,text="     L😎rem ipsum dolor sit amet, ⌚⌚︎⌚️  ❤❤︎❤️  🙋🙋︎🙋️'"))
         y+=1; self._canvas.drawText(pos=(0,y), text=TTkString(color=TTkColor.fg("#ff8800") ,text="consectetur adipiscing elit,"))
         y+=1; self._canvas.drawText(pos=(0,y), text=TTkString(color=TTkColor.fg("#ffff00") ,text="sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."))
         y+=1; self._canvas.drawText(pos=(0,y), text=TTkString(color=TTkColor.fg("#00ff00") ,text="Ut enim ad minim veniam,"))
diff --git a/tests/sandbox/sandbox.html b/tests/sandbox/sandbox.html
index 6127b799..995124f9 100644
--- a/tests/sandbox/sandbox.html
+++ b/tests/sandbox/sandbox.html
@@ -9,6 +9,7 @@
     <link  href="www/xterm/xterm.css" rel="stylesheet" />
     <script src="www/xterm/xterm.js"></script>
     <script src="www/xterm-addon-fit/xterm-addon-fit.js"></script>
+    <script src="www/xterm-addon-unicode11/xterm-addon-unicode11.js"></script>
     <!--
       <link  href="https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/www/xterm/xterm.css" rel="stylesheet" />
       <script src="https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/www/xterm/xterm.js"></script>
@@ -88,10 +89,16 @@
 
     <script type="text/javascript">
       /* xterm.js demo */
+      /* https://www.npmjs.com/package/xterm-addon-fit */
       const fitAddon = new FitAddon.FitAddon();
+      /* https://www.npmjs.com/package/xterm-addon-unicode11 */
+      const unicode11Addon = new Unicode11Addon.Unicode11Addon();
 
-      var term = new Terminal();
+      var term = new Terminal({allowProposedApi: true});
       term.loadAddon(fitAddon);
+      term.loadAddon(unicode11Addon);
+
+      term.unicode.activeVersion = '11';
 
       term.open(document.getElementById('terminal'));
 
diff --git a/tests/sandbox/standalone.fullscreen.html b/tests/sandbox/standalone.fullscreen.html
index 7ee4ff8a..1569d98c 100644
--- a/tests/sandbox/standalone.fullscreen.html
+++ b/tests/sandbox/standalone.fullscreen.html
@@ -9,7 +9,7 @@
     <link  href="www/xterm/xterm.css" rel="stylesheet" />
     <script src="www/xterm/xterm.js"></script>
     <script src="www/xterm-addon-fit/xterm-addon-fit.js"></script>
-
+    <script src="www/xterm-addon-unicode11/xterm-addon-unicode11.js"></script>
     <!--
       <link  href="https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/www/xterm/xterm.css" rel="stylesheet" />
       <script src="https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/www/xterm/xterm.js"></script>
@@ -22,10 +22,16 @@
 
     <script type="text/javascript">
       /* xterm.js demo */
+      /* https://www.npmjs.com/package/xterm-addon-fit */
       const fitAddon = new FitAddon.FitAddon();
+      /* https://www.npmjs.com/package/xterm-addon-unicode11 */
+      const unicode11Addon = new Unicode11Addon.Unicode11Addon();
 
-      var term = new Terminal();
+      var term = new Terminal({allowProposedApi: true});
       term.loadAddon(fitAddon);
+      term.loadAddon(unicode11Addon);
+
+      term.unicode.activeVersion = '11';
 
       term.open(document.getElementById('terminal'));
 
diff --git a/tests/sandbox/standalone.html b/tests/sandbox/standalone.html
index 99d8e623..516250cf 100644
--- a/tests/sandbox/standalone.html
+++ b/tests/sandbox/standalone.html
@@ -8,6 +8,7 @@
 
     <link  href="www/xterm/xterm.css" rel="stylesheet" />
     <script src="www/xterm/xterm.js"></script>
+    <script src="www/xterm-addon-unicode11/xterm-addon-unicode11.js"></script>
     <!--
       <link  href="https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/www/xterm/xterm.css" rel="stylesheet" />
       <script src="https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/www/xterm/xterm.js"></script>
@@ -19,7 +20,14 @@
 
     <script type="text/javascript">
       /* xterm.js demo */
-      var term = new Terminal();
+      /* https://www.npmjs.com/package/xterm-addon-unicode11 */
+      const unicode11Addon = new Unicode11Addon.Unicode11Addon();
+
+      var term = new Terminal({allowProposedApi: true});
+      term.loadAddon(unicode11Addon);
+
+      term.unicode.activeVersion = '11';
+
       term.open(document.getElementById('terminal'));
 
       term.write('xterm.js - Loaded\n\r')