diff --git a/src/common/character_set.rs b/src/common/character_set.rs
index f3669bf..b65696c 100644
--- a/src/common/character_set.rs
+++ b/src/common/character_set.rs
@@ -34,14 +34,14 @@ pub enum CharacterSet {
     ISO8859_3,  //(5, "ISO-8859-3"),
     ISO8859_4,  //(6, "ISO-8859-4"),
     ISO8859_5,  //(7, "ISO-8859-5"),
-    ISO8859_6,  //(8, "ISO-8859-6"),
+    // ISO8859_6,  //(8, "ISO-8859-6"),
     ISO8859_7,  //(9, "ISO-8859-7"),
-    ISO8859_8,  //(10, "ISO-8859-8"),
+    // ISO8859_8,  //(10, "ISO-8859-8"),
     ISO8859_9,  //(11, "ISO-8859-9"),
-    ISO8859_10, //(12, "ISO-8859-10"),
-    ISO8859_11, //(13, "ISO-8859-11"),
+    // ISO8859_10, //(12, "ISO-8859-10"),
+    // ISO8859_11, //(13, "ISO-8859-11"),
     ISO8859_13, //(15, "ISO-8859-13"),
-    ISO8859_14, //(16, "ISO-8859-14"),
+    // ISO8859_14, //(16, "ISO-8859-14"),
     ISO8859_15, //(17, "ISO-8859-15"),
     ISO8859_16, //(18, "ISO-8859-16"),
     Shift_JIS,  //(20, "Shift_JIS"),
@@ -109,14 +109,14 @@ impl CharacterSet {
             CharacterSet::ISO8859_3 => "ISO-8859-3",
             CharacterSet::ISO8859_4 => "ISO-8859-4",
             CharacterSet::ISO8859_5 => "ISO-8859-5",
-            CharacterSet::ISO8859_6 => "ISO-8859-6",
+            // CharacterSet::ISO8859_6 => "ISO-8859-6",
             CharacterSet::ISO8859_7 => "ISO-8859-7",
-            CharacterSet::ISO8859_8 => "ISO-8859-8",
+            // CharacterSet::ISO8859_8 => "ISO-8859-8",
             CharacterSet::ISO8859_9 => "ISO-8859-9",
-            CharacterSet::ISO8859_10 => "ISO-8859-10",
-            CharacterSet::ISO8859_11 => "ISO-8859-11",
+            // CharacterSet::ISO8859_10 => "ISO-8859-10",
+            // CharacterSet::ISO8859_11 => "ISO-8859-11",
             CharacterSet::ISO8859_13 => "ISO-8859-13",
-            CharacterSet::ISO8859_14 => "ISO-8859-14",
+            // CharacterSet::ISO8859_14 => "ISO-8859-14",
             CharacterSet::ISO8859_15 => "ISO-8859-15",
             CharacterSet::ISO8859_16 => "ISO-8859-16",
             CharacterSet::Shift_JIS => "shift_jis",
@@ -148,14 +148,14 @@ impl CharacterSet {
             CharacterSet::ISO8859_3 => "iso-8859-3",
             CharacterSet::ISO8859_4 => "iso-8859-4",
             CharacterSet::ISO8859_5 => "iso-8859-5",
-            CharacterSet::ISO8859_6 => "ISO-8859-6",
+            // CharacterSet::ISO8859_6 => "ISO-8859-6",
             CharacterSet::ISO8859_7 => "iso-8859-7",
-            CharacterSet::ISO8859_8 => "ISO-8859-8",
+            // CharacterSet::ISO8859_8 => "ISO-8859-8",
             CharacterSet::ISO8859_9 => "iso-8859-9",
-            CharacterSet::ISO8859_10 => "ISO-8859-10",
-            CharacterSet::ISO8859_11 => "ISO-8859-11",
+            // CharacterSet::ISO8859_10 => "ISO-8859-10",
+            // CharacterSet::ISO8859_11 => "ISO-8859-11",
             CharacterSet::ISO8859_13 => "iso-8859-13",
-            CharacterSet::ISO8859_14 => "ISO-8859-14",
+            // CharacterSet::ISO8859_14 => "ISO-8859-14",
             CharacterSet::ISO8859_15 => "iso-8859-15",
             CharacterSet::ISO8859_16 => "iso-8859-16",
             CharacterSet::Shift_JIS => "shift_jis",
@@ -278,14 +278,14 @@ impl CharacterSet {
             "iso-8859-3" => Some(CharacterSet::ISO8859_3),
             "iso-8859-4" => Some(CharacterSet::ISO8859_4),
             "iso-8859-5" => Some(CharacterSet::ISO8859_5),
-            "iso-8859-6" => Some(CharacterSet::ISO8859_6),
+            // "iso-8859-6" => Some(CharacterSet::ISO8859_6),
             "iso-8859-7" => Some(CharacterSet::ISO8859_7),
-            "iso-8859-8" => Some(CharacterSet::ISO8859_8),
+            // "iso-8859-8" => Some(CharacterSet::ISO8859_8),
             "iso-8859-9" => Some(CharacterSet::ISO8859_9),
-            "ISO-8859-10" => Some(CharacterSet::ISO8859_10),
-            "ISO-8859-11" => Some(CharacterSet::ISO8859_11),
+            // "ISO-8859-10" => Some(CharacterSet::ISO8859_10),
+            // "ISO-8859-11" => Some(CharacterSet::ISO8859_11),
             "iso-8859-13" => Some(CharacterSet::ISO8859_13),
-            "ISO-8859-14" => Some(CharacterSet::ISO8859_14),
+            // "ISO-8859-14" => Some(CharacterSet::ISO8859_14),
             "iso-8859-15" => Some(CharacterSet::ISO8859_15),
             "iso-8859-16" => Some(CharacterSet::ISO8859_16),
             "shift_jis" => Some(CharacterSet::Shift_JIS),
diff --git a/src/common/eci.rs b/src/common/eci.rs
index da47109..e33893e 100644
--- a/src/common/eci.rs
+++ b/src/common/eci.rs
@@ -123,11 +123,11 @@ impl From<CharacterSet> for Eci {
             CharacterSet::UTF32BE => Eci::UTF32BE,
             CharacterSet::UTF32LE => Eci::UTF32LE,
             CharacterSet::Binary => Eci::Binary,
-            CharacterSet::ISO8859_6 => Eci::ISO8859_6,
-            CharacterSet::ISO8859_8 => Eci::ISO8859_8,
-            CharacterSet::ISO8859_10 => Eci::ISO8859_10,
-            CharacterSet::ISO8859_11 => Eci::ISO8859_11,
-            CharacterSet::ISO8859_14 => Eci::ISO8859_14,
+            // CharacterSet::ISO8859_6 => Eci::ISO8859_6,
+            // CharacterSet::ISO8859_8 => Eci::ISO8859_8,
+            // CharacterSet::ISO8859_10 => Eci::ISO8859_10,
+            // CharacterSet::ISO8859_11 => Eci::ISO8859_11,
+            // CharacterSet::ISO8859_14 => Eci::ISO8859_14,
             _ => Eci::Unknown,
         }
     }
@@ -142,14 +142,14 @@ impl From<Eci> for CharacterSet {
             Eci::ISO8859_3 => CharacterSet::ISO8859_3,
             Eci::ISO8859_4 => CharacterSet::ISO8859_4,
             Eci::ISO8859_5 => CharacterSet::ISO8859_5,
-            Eci::ISO8859_6 => CharacterSet::ISO8859_6,
+            // Eci::ISO8859_6 => CharacterSet::ISO8859_6,
             Eci::ISO8859_7 => CharacterSet::ISO8859_7,
-            Eci::ISO8859_8 => CharacterSet::ISO8859_8,
+            // Eci::ISO8859_8 => CharacterSet::ISO8859_8,
             Eci::ISO8859_9 => CharacterSet::ISO8859_9,
-            Eci::ISO8859_10 => CharacterSet::ISO8859_10,
-            Eci::ISO8859_11 => CharacterSet::ISO8859_11,
+            // Eci::ISO8859_10 => CharacterSet::ISO8859_10,
+            // Eci::ISO8859_11 => CharacterSet::ISO8859_11,
             Eci::ISO8859_13 => CharacterSet::ISO8859_13,
-            Eci::ISO8859_14 => CharacterSet::ISO8859_14,
+            // Eci::ISO8859_14 => CharacterSet::ISO8859_14,
             Eci::ISO8859_15 => CharacterSet::ISO8859_15,
             Eci::ISO8859_16 => CharacterSet::ISO8859_16,
             Eci::Shift_JIS => CharacterSet::Shift_JIS,