diff --git a/dist/xrfragment.aframe.js b/dist/xrfragment.aframe.js
index cb29f96..9cdf499 100644
--- a/dist/xrfragment.aframe.js
+++ b/dist/xrfragment.aframe.js
@@ -252,12 +252,12 @@ xrfragment_Parser.parse = function(key,value,store) {
 	var v = new xrfragment_XRF(key,Frag_h[key]);
 	if(Object.prototype.hasOwnProperty.call(Frag_h,key)) {
 		if(!v.validate(value)) {
-			console.log("src/xrfragment/Parser.hx:79:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
+			console.log("src/xrfragment/Parser.hx:82:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
 			return false;
 		}
 		store[key] = v;
 		if(xrfragment_Parser.debug) {
-			console.log("src/xrfragment/Parser.hx:83:","✔ " + key + ": " + v.string);
+			console.log("src/xrfragment/Parser.hx:86:","✔ " + key + ": " + v.string);
 		}
 	} else {
 		if(typeof(value) == "string") {
diff --git a/dist/xrfragment.js b/dist/xrfragment.js
index 8374a5f..85d2f1f 100644
--- a/dist/xrfragment.js
+++ b/dist/xrfragment.js
@@ -252,12 +252,12 @@ xrfragment_Parser.parse = function(key,value,store) {
 	var v = new xrfragment_XRF(key,Frag_h[key]);
 	if(Object.prototype.hasOwnProperty.call(Frag_h,key)) {
 		if(!v.validate(value)) {
-			console.log("src/xrfragment/Parser.hx:79:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
+			console.log("src/xrfragment/Parser.hx:82:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
 			return false;
 		}
 		store[key] = v;
 		if(xrfragment_Parser.debug) {
-			console.log("src/xrfragment/Parser.hx:83:","✔ " + key + ": " + v.string);
+			console.log("src/xrfragment/Parser.hx:86:","✔ " + key + ": " + v.string);
 		}
 	} else {
 		if(typeof(value) == "string") {
diff --git a/dist/xrfragment.lua b/dist/xrfragment.lua
index b315695..84f6ea8 100644
--- a/dist/xrfragment.lua
+++ b/dist/xrfragment.lua
@@ -1614,12 +1614,12 @@ __xrfragment_Parser.parse = function(key,value,store)
   local v = __xrfragment_XRF.new(key, ret);
   if (Frag_h[key] ~= nil) then 
     if (not v:validate(value)) then 
-      __haxe_Log.trace(Std.string(Std.string(Std.string(Std.string("⚠ fragment '") .. Std.string(key)) .. Std.string("' has incompatible value (")) .. Std.string(value)) .. Std.string(")"), _hx_o({__fields__={fileName=true,lineNumber=true,className=true,methodName=true},fileName="src/xrfragment/Parser.hx",lineNumber=79,className="xrfragment.Parser",methodName="parse"}));
+      __haxe_Log.trace(Std.string(Std.string(Std.string(Std.string("⚠ fragment '") .. Std.string(key)) .. Std.string("' has incompatible value (")) .. Std.string(value)) .. Std.string(")"), _hx_o({__fields__={fileName=true,lineNumber=true,className=true,methodName=true},fileName="src/xrfragment/Parser.hx",lineNumber=82,className="xrfragment.Parser",methodName="parse"}));
       do return false end;
     end;
     store[key] = v;
     if (__xrfragment_Parser.debug) then 
-      __haxe_Log.trace(Std.string(Std.string(Std.string("✔ ") .. Std.string(key)) .. Std.string(": ")) .. Std.string(v.string), _hx_o({__fields__={fileName=true,lineNumber=true,className=true,methodName=true},fileName="src/xrfragment/Parser.hx",lineNumber=83,className="xrfragment.Parser",methodName="parse"}));
+      __haxe_Log.trace(Std.string(Std.string(Std.string("✔ ") .. Std.string(key)) .. Std.string(": ")) .. Std.string(v.string), _hx_o({__fields__={fileName=true,lineNumber=true,className=true,methodName=true},fileName="src/xrfragment/Parser.hx",lineNumber=86,className="xrfragment.Parser",methodName="parse"}));
     end;
   else
     if (__lua_Boot.__instanceof(value, String)) then 
diff --git a/dist/xrfragment.module.js b/dist/xrfragment.module.js
index d69b3ed..66637e8 100644
--- a/dist/xrfragment.module.js
+++ b/dist/xrfragment.module.js
@@ -252,12 +252,12 @@ xrfragment_Parser.parse = function(key,value,store) {
 	var v = new xrfragment_XRF(key,Frag_h[key]);
 	if(Object.prototype.hasOwnProperty.call(Frag_h,key)) {
 		if(!v.validate(value)) {
-			console.log("src/xrfragment/Parser.hx:79:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
+			console.log("src/xrfragment/Parser.hx:82:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
 			return false;
 		}
 		store[key] = v;
 		if(xrfragment_Parser.debug) {
-			console.log("src/xrfragment/Parser.hx:83:","✔ " + key + ": " + v.string);
+			console.log("src/xrfragment/Parser.hx:86:","✔ " + key + ": " + v.string);
 		}
 	} else {
 		if(typeof(value) == "string") {
diff --git a/dist/xrfragment.three.js b/dist/xrfragment.three.js
index 392bd0b..15caeec 100644
--- a/dist/xrfragment.three.js
+++ b/dist/xrfragment.three.js
@@ -252,12 +252,12 @@ xrfragment_Parser.parse = function(key,value,store) {
 	var v = new xrfragment_XRF(key,Frag_h[key]);
 	if(Object.prototype.hasOwnProperty.call(Frag_h,key)) {
 		if(!v.validate(value)) {
-			console.log("src/xrfragment/Parser.hx:79:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
+			console.log("src/xrfragment/Parser.hx:82:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
 			return false;
 		}
 		store[key] = v;
 		if(xrfragment_Parser.debug) {
-			console.log("src/xrfragment/Parser.hx:83:","✔ " + key + ": " + v.string);
+			console.log("src/xrfragment/Parser.hx:86:","✔ " + key + ": " + v.string);
 		}
 	} else {
 		if(typeof(value) == "string") {
diff --git a/dist/xrfragment.three.module.js b/dist/xrfragment.three.module.js
index a48f216..2c1222d 100644
--- a/dist/xrfragment.three.module.js
+++ b/dist/xrfragment.three.module.js
@@ -252,12 +252,12 @@ xrfragment_Parser.parse = function(key,value,store) {
 	var v = new xrfragment_XRF(key,Frag_h[key]);
 	if(Object.prototype.hasOwnProperty.call(Frag_h,key)) {
 		if(!v.validate(value)) {
-			console.log("src/xrfragment/Parser.hx:79:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
+			console.log("src/xrfragment/Parser.hx:82:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
 			return false;
 		}
 		store[key] = v;
 		if(xrfragment_Parser.debug) {
-			console.log("src/xrfragment/Parser.hx:83:","✔ " + key + ": " + v.string);
+			console.log("src/xrfragment/Parser.hx:86:","✔ " + key + ": " + v.string);
 		}
 	} else {
 		if(typeof(value) == "string") {
diff --git a/make b/make
index 6d9cbdd..6cefa29 100755
--- a/make
+++ b/make
@@ -55,6 +55,8 @@ build(){
 }
 
 build_js(){
+  # prepend license to vanilla lib
+  #echo "// https://xrfragment.org\n// SPDX-License-Identifier: MPL-2.0\n$(cat dist/xrfragment.js)" > dist/xrfragment.js
   # add js module
   cat dist/xrfragment.js             > dist/xrfragment.module.js
   echo "export default xrfragment;" >> dist/xrfragment.module.js
diff --git a/src/xrfragment/Query.hx b/src/xrfragment/Query.hx
index 4030963..d66c42b 100644
--- a/src/xrfragment/Query.hx
+++ b/src/xrfragment/Query.hx
@@ -97,6 +97,7 @@ class Query {
         if( str.indexOf("<")  != -1 ) oper = "<";          // 1. then scan for `<` operator
         if( str.indexOf(">=") != -1 ) oper = ">=";         // 1. then scan for `>=` operator
         if( str.indexOf("<=") != -1 ) oper = "<=";         // 1. then scan for `<=` operator
+        if( isExclude.match(k) ){
           oper = "!=";
           k = k.substr(1);      //  1. then strip key-operator: convert "-foo" into "foo" 
         }else v = v.substr(oper.length); // 1. then strip value operator: change value ">=foo" into "foo" 
diff --git a/test/generated/test.js b/test/generated/test.js
index 5562b22..5054f06 100644
--- a/test/generated/test.js
+++ b/test/generated/test.js
@@ -366,12 +366,12 @@ xrfragment_Parser.parse = function(key,value,store) {
 	var v = new xrfragment_XRF(key,Frag_h[key]);
 	if(Object.prototype.hasOwnProperty.call(Frag_h,key)) {
 		if(!v.validate(value)) {
-			console.log("src/xrfragment/Parser.hx:79:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
+			console.log("src/xrfragment/Parser.hx:82:","⚠ fragment '" + key + "' has incompatible value (" + value + ")");
 			return false;
 		}
 		store[key] = v;
 		if(xrfragment_Parser.debug) {
-			console.log("src/xrfragment/Parser.hx:83:","✔ " + key + ": " + v.string);
+			console.log("src/xrfragment/Parser.hx:86:","✔ " + key + ": " + v.string);
 		}
 	} else {
 		if(typeof(value) == "string") {