diff --git a/README.md b/README.md
index da2632d..6229879 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,9 @@ IBAN: BE60 9671 0556 5870
 SWIFT / BIC: TRWIBEB1XXX
 ```
 
+* G1: `A5DdXxCKPw3QKWVdDVs7CzkNugNUW1sHu5zDJFWxCU2h`
 * BCH: `qztd3l00xle5tffdqvh2snvadkuau2ml0uqm4n875d`
 
-* ETH: `0x61a4f614a30ff686445751ed8328b82b77ecfc69`
-* XRP: `rLSn6Z3T8uCxbcd1oxwfGQN1Fdn5CyGujK` Tag: `6643162`
-* LTC: `MBcgQ3LQJA4W2wsXknTdm2fxRSysLaBJHS`
-* BTC: `3FhiXcXmAesmQzrNEngjHFnvaJRhU1AGWV`
-
 
 ## Extensions develop with ZAZ
 
diff --git a/doc/source/main/calc.rst b/doc/source/main/calc.rst
index f26ad34..e8db469 100644
--- a/doc/source/main/calc.rst
+++ b/doc/source/main/calc.rst
@@ -1,5 +1,5 @@
 Calc
-----
+====
 
 Remember, always import library.
 
diff --git a/source/easymacro.py b/source/easymacro.py
index ef4eeb7..663cad0 100644
--- a/source/easymacro.py
+++ b/source/easymacro.py
@@ -253,7 +253,7 @@ IS_MAC = OS == 'Darwin'
 USER = getpass.getuser()
 PC = platform.node()
 DESKTOP = os.environ.get('DESKTOP_SESSION', '')
-INFO_DEBUG = f"{sys.version}\n\n{platform.platform()}\n\n" + '\n'.join(sys.path)
+INFO_DEBUG = f"Python: {sys.version}\n\n{platform.platform()}\n\n" + '\n'.join(sys.path)
 
 PYTHON = 'python'
 if IS_WIN:
diff --git a/source/easymacro.py.bk b/source/easymacro.py.bk
index 689270c..45d7320 100644
--- a/source/easymacro.py.bk
+++ b/source/easymacro.py.bk
@@ -5646,74 +5646,3 @@ def install_locales(path, domain='base', dir_locales=DIR['locales']):
         from gettext import gettext as _
         error(e)
     return _
-
-
-class LIBOServer(object):
-    HOST = 'localhost'
-    PORT = '8100'
-    ARG = 'socket,host={},port={};urp;StarOffice.ComponentContext'.format(HOST, PORT)
-    CMD = ['soffice',
-        '-env:SingleAppInstance=false',
-        '-env:UserInstallation=file:///tmp/LIBO_Process8100',
-        '--headless', '--norestore', '--invisible',
-        '--accept={}'.format(ARG)]
-
-    def __init__(self):
-        self._server = None
-        self._ctx = None
-        self._sm = None
-        self._start_server()
-        self._init_values()
-
-    def _init_values(self):
-        global CTX
-        global SM
-
-        if not self.is_running:
-            return
-
-        ctx = uno.getComponentContext()
-        service = 'com.sun.star.bridge.UnoUrlResolver'
-        resolver = ctx.ServiceManager.createInstanceWithContext(service, ctx)
-        self._ctx = resolver.resolve('uno:{}'.format(self.ARG))
-        self._sm = self._ctx.getServiceManager()
-        CTX = self._ctx
-        SM = self._sm
-        return
-
-    @property
-    def is_running(self):
-        try:
-            s = socket.create_connection((self.HOST, self.PORT), 5.0)
-            s.close()
-            debug('LibreOffice is running...')
-            return True
-        except ConnectionRefusedError:
-            return False
-
-    def _start_server(self):
-        if self.is_running:
-            return
-
-        for i in range(3):
-            self._server = subprocess.Popen(self.CMD,
-                stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-            time.sleep(3)
-            if self.is_running:
-                break
-        return
-
-    def stop(self):
-        if self._server is None:
-            print('Search pgrep soffice')
-        else:
-            self._server.terminate()
-        debug('LibreOffice is stop...')
-        return
-
-    def create_instance(self, name, with_context=True):
-        if with_context:
-            instance = self._sm.createInstanceWithContext(name, self._ctx)
-        else:
-            instance = self._sm.createInstance(name)
-        return instance
diff --git a/source/zaz.py b/source/zaz.py
index 4846605..254bec1 100755
--- a/source/zaz.py
+++ b/source/zaz.py
@@ -74,15 +74,23 @@ class LiboXML(object):
         'manifest': 'urn:oasis:names:tc:opendocument:xmlns:manifest:1.0',
         'xmlns:loext': 'urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0',
     }
+
+    xmlns = 'http://openoffice.org/extensions/description/2006'
+    xmlns_xlink = 'http://www.w3.org/1999/xlink'
+    xmlns_l = 'http://libreoffice.org/extensions/description/2011'
+
     NS_DESCRIPTION = {
-        'xmlns': 'http://openoffice.org/extensions/description/2006',
-        'xmlns:xlink': 'http://www.w3.org/1999/xlink',
-        'xmlns:d': 'http://openoffice.org/extensions/description/2006',
+        'xmlns': xmlns,
+        'xmlns:xlink': xmlns_xlink,
+        'xmlns:d': xmlns,
+        'xmlns:l': xmlns_l,
     }
+
     NS_ADDONS = {
         'xmlns:xs': 'http://www.w3.org/2001/XMLSchema',
         'xmlns:oor': 'http://openoffice.org/2001/registry',
     }
+
     NS_UPDATE = {
         'xmlns': 'http://openoffice.org/extensions/update/2006',
         'xmlns:d': 'http://openoffice.org/extensions/description/2006',
@@ -157,6 +165,12 @@ class LiboXML(object):
         key = 'version'
         ET.SubElement(doc, key, data[key])
 
+        key = 'minimal'
+        if data[key]:
+            node = ET.SubElement(doc, 'dependencies')
+            attr = {'value': data[key], 'l:name': f'LibreOffice {data[key]}'}
+            ET.SubElement(node, 'LibreOffice-minimal-version', attr)
+
         key = 'display-name'
         node = ET.SubElement(doc, key)
         for k, v in data[key].items():