diff --git a/asn1.js b/asn1.js
index ae816c6..55a5a2a 100644
--- a/asn1.js
+++ b/asn1.js
@@ -4,7 +4,7 @@
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
 // copyright notice and this permission notice appear in all copies.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
diff --git a/base64.js b/base64.js
index a91b36b..4e3d325 100644
--- a/base64.js
+++ b/base64.js
@@ -4,7 +4,7 @@
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
 // copyright notice and this permission notice appear in all copies.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
diff --git a/defs.js b/defs.js
index aef2ea0..fa42c3e 100644
--- a/defs.js
+++ b/defs.js
@@ -4,7 +4,7 @@
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
 // copyright notice and this permission notice appear in all copies.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@@ -127,7 +127,7 @@ export class Defs {
 Defs.RFC = rfcdef;
 
 Defs.commonTypes = [
-    [ 'X.509 certificate', '1.3.6.1.5.5.7.0.18', 'Certificate' ], 
+    [ 'X.509 certificate', '1.3.6.1.5.5.7.0.18', 'Certificate' ],
     [ 'X.509 public key info', '1.3.6.1.5.5.7.0.18', 'SubjectPublicKeyInfo' ],
     [ 'CMS / PKCS#7 envelope', '1.2.840.113549.1.9.16.0.14', 'ContentInfo' ],
     [ 'PKCS#1 RSA private key', '1.2.840.113549.1.1.0.1', 'RSAPrivateKey' ],
diff --git a/hex.js b/hex.js
index 8abea9d..de3ee49 100644
--- a/hex.js
+++ b/hex.js
@@ -4,7 +4,7 @@
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
 // copyright notice and this permission notice appear in all copies.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
diff --git a/int10.js b/int10.js
index 2d89b37..d2da3cd 100644
--- a/int10.js
+++ b/int10.js
@@ -4,7 +4,7 @@
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
 // copyright notice and this permission notice appear in all copies.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
diff --git a/package.json b/package.json
index d704f10..18a9fe1 100644
--- a/package.json
+++ b/package.json
@@ -62,6 +62,7 @@
     "rules": {
       "strict": [ "error", "function" ],
       "indent": [ "error", 4 ],
+      "no-trailing-spaces": [ "error" ],
       "linebreak-style": [ "error", "unix" ],
       "eol-last": [ "error", "always" ],
       "semi": [ "warn", "always" ],
diff --git a/parseRFC.js b/parseRFC.js
index b2aab26..2d75588 100755
--- a/parseRFC.js
+++ b/parseRFC.js
@@ -519,10 +519,10 @@ while ((m = reModuleDefinition.exec(s))) {
     asn1[currentMod.oid] = currentMod;
 }
 /*asn1 = Object.keys(asn1).sort().reduce(
-    (obj, key) => { 
+    (obj, key) => {
         obj[key] = asn1[key];
         return obj;
-    }, 
+    },
     {}
 );*/
 fs.writeFileSync(process.argv[3], JSON.stringify(asn1, null, 2) + '\n', 'utf8');