@@ -351,11 +351,11 @@
         return
 
     def _getCharArcs (self, iAddr):
         "generator: yield all chars and addresses from node at address <iAddr>"
         for nVal, jAddr in self._getArcs(iAddr):
-            if nVal < self.nChar:
+            if nVal <= self.nChar:
                 yield (self.dCharVal[nVal], jAddr)
 
     def _getSimilarCharArcs (self, cChar, iAddr):
         "generator: yield similar char of <cChar> and address of the following node"
         for c in cp.d1to1.get(cChar, [cChar]):
@@ -373,11 +373,11 @@
 
     def _getTails (self, iAddr, sTail="", n=2):
         "return a list of suffixes ending at a distance of <n> from <iAddr>"
         aTails = set()
         for nVal, jAddr in self._getArcs(iAddr):
-            if nVal < self.nChar:
+            if nVal <= self.nChar:
                 if int.from_bytes(self.byDic[jAddr:jAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                     aTails.add(sTail + self.dCharVal[nVal])
                 if n and not aTails:
                     aTails.update(self._getTails(jAddr, sTail+self.dCharVal[nVal], n-1))
         return aTails
@@ -441,11 +441,11 @@
             nRawArc = 0
             while not (nRawArc & self._lastArcMask):
                 iEndArcAddr = iAddr + self.nBytesArc
                 nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
                 nArc = nRawArc & self._arcMask
-                if nArc >= self.nChar:
+                if nArc > self.nChar:
                     # This value is not a char, this is a stemming code 
                     sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
                     # Now , we go to the next node and retrieve all following arcs values, all of them are tags
                     iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
                     nRawArc2 = 0
@@ -472,11 +472,11 @@
             nRawArc = 0
             while not (nRawArc & self._lastArcMask):
                 iEndArcAddr = iAddr + self.nBytesArc
                 nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
                 nArc = nRawArc & self._arcMask
-                if nArc >= self.nChar:
+                if nArc > self.nChar:
                     # This value is not a char, this is a stemming code 
                     l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                 iAddr = iEndArcAddr+self.nBytesNodeAddress
             return l
         return []
@@ -539,11 +539,11 @@
             nRawArc = 0
             while not (nRawArc & self._lastArcMask):
                 iEndArcAddr = iAddr + self.nBytesArc
                 nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
                 nArc = nRawArc & self._arcMask
-                if nArc >= self.nChar:
+                if nArc > self.nChar:
                     # This value is not a char, this is a stemming code 
                     sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
                     # Now , we go to the next node and retrieve all following arcs values, all of them are tags
                     if not (nRawArc & self._addrBitMask):
                         iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
@@ -577,11 +577,11 @@
             nRawArc = 0
             while not (nRawArc & self._lastArcMask):
                 iEndArcAddr = iAddr + self.nBytesArc
                 nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
                 nArc = nRawArc & self._arcMask
-                if nArc >= self.nChar:
+                if nArc > self.nChar:
                     # This value is not a char, this is a stemming code 
                     l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                     # Now , we go to the next node
                     if not (nRawArc & self._addrBitMask):
                         iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
@@ -655,11 +655,11 @@
             iAddrNode = iAddr
             while not (nRawArc & self._lastArcMask):
                 iEndArcAddr = iAddr + self.nBytesArc
                 nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
                 nArc = nRawArc & self._arcMask
-                if nArc >= self.nChar:
+                if nArc > self.nChar:
                     # This value is not a char, this is a stemming code 
                     sStem = ">" + self.funcStemming(sWord, self.lArcVal[nArc])
                     # Now , we go to the next node and retrieve all following arcs values, all of them are tags
                     if not (nRawArc & self._addrBitMask):
                         iAddr2 = int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
@@ -690,11 +690,11 @@
             iAddrNode = iAddr
             while not (nRawArc & self._lastArcMask):
                 iEndArcAddr = iAddr + self.nBytesArc
                 nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
                 nArc = nRawArc & self._arcMask
-                if nArc >= self.nChar:
+                if nArc > self.nChar:
                     # This value is not a char, this is a stemming code 
                     l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                 iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr+self.nBytesOffset
             return l
         return []