Index: compile_rules.py
==================================================================
--- compile_rules.py
+++ compile_rules.py
@@ -148,11 +148,11 @@
             print("Error. Graph call can be made only after the first pass (sentence by sentence)")
             exit()
         return ["@@@@", s[4:], sLineId]
 
     #### OPTIONS
-    sOption = False         # False or [a-z0-9]+ name
+    sOption = ""            # empty string or [a-z0-9]+ name
     nPriority = 4           # Default is 4, value must be between 0 and 9
     tGroups = None          # code for groups positioning (only useful for JavaScript)
     cCaseMode = 'i'         # i: case insensitive,  s: case sensitive,  u: uppercasing allowed
     cWordLimitLeft = '['    # [: word limit, <: no specific limit
     cWordLimitRight = ']'   # ]: word limit, >: no specific limit
@@ -159,11 +159,11 @@
     m = re.match("^__(?P<borders_and_case>[\\[<]\\w[\\]>])(?P<option>/[a-zA-Z0-9]+|)(?P<ruleid>\\(\\w+\\))(?P<priority>![0-9]|)__ *", s)
     if m:
         cWordLimitLeft = m.group('borders_and_case')[0]
         cCaseMode = m.group('borders_and_case')[1]
         cWordLimitRight = m.group('borders_and_case')[2]
-        sOption = m.group('option')[1:]  if m.group('option')  else False
+        sOption = m.group('option')[1:]  if m.group('option')  else ""
         sRuleId =  m.group('ruleid')[1:-1]
         if sRuleId in aRULESET:
             print(f"# Error. Several rules have the same id: {sRuleId}")
             exit()
         aRULESET.add(sRuleId)
@@ -410,12 +410,11 @@
 
 def createRulesAsString (lRules):
     "create rules as a string of arrays (to be bundled in a JSON string)"
     sArray = "[\n"
     for sOption, aRuleGroup in lRules:
-        sOption = "False"  if not sOption  else  f'"{sOption}"'
-        sArray += f'  [{sOption}, [\n'
+        sArray += f'  ["{sOption}", [\n'
         for aRule in aRuleGroup:
             sArray += f'    {aRule},\n'
         sArray += "  ]],\n"
     sArray += "]"
     return sArray

Index: compile_rules_js_convert.py
==================================================================
--- compile_rules_js_convert.py
+++ compile_rules_js_convert.py
@@ -134,25 +134,22 @@
 
 def writeRulesToJSArray (lRules):
     "create rules as a string of arrays (to be bundled in a JSON string)"
     sArray = "[\n"
     for sOption, aRuleGroup in lRules:
+        sArray += f'  ["{sOption}", [\n'
         if sOption != "@@@@":
-            sOption = "false"  if not sOption  else  f'"{sOption}"'
-            sArray += f'  [{sOption}, [\n'
             for sRegex, bCaseInsensitive, sLineId, sRuleId, nPriority, lActions, aGroups, aNegLookBehindRegex in aRuleGroup:
                 sCaseSensitive = "true" if bCaseInsensitive  else "false"
                 sActions = json.dumps(lActions, ensure_ascii=False)
                 sGroups = json.dumps(aGroups, ensure_ascii=False)
                 sNLBRegex = json.dumps(aNegLookBehindRegex, ensure_ascii=False)
                 sArray += f'    [{sRegex}, {sCaseSensitive}, "{sLineId}", "{sRuleId}", {nPriority}, {sActions}, {sGroups}, {sNLBRegex}],\n'
-            sArray += "  ]],\n"
         else:
-            sArray += f'  ["{sOption}", [\n'
-            for sGraphName, sLineId in aRuleGroup:
-                sArray += f'    ["{sGraphName}", "{sLineId}"],\n'
-            sArray += "  ]],\n"
+            for aRule in aRuleGroup:
+                sArray += f'    {aRule},\n'
+        sArray += "  ]],\n"
     sArray += "]"
     return sArray
 
 
 def groupsPositioningCodeToList (sGroupsPositioningCode):