Adjust color function to not include character_table

src/lib.rs

@@ -61,16 +61,14 @@ impl Byte {
         }
     }
 
-    fn color(self, character_table: CharacterTable) -> &'static [u8] {
+    fn color(self) -> &'static [u8] {
         use crate::ByteCategory::*;
-        match character_table {
+        match self.category() {
-            CharacterTable::AsciiOnly | CharacterTable::CP437 => match self.category() {
             Null => COLOR_NULL,
             AsciiPrintable => COLOR_ASCII_PRINTABLE,
             AsciiWhitespace => COLOR_ASCII_WHITESPACE,
             AsciiOther => COLOR_ASCII_OTHER,
             NonAscii => COLOR_NONASCII,
-            },
         }
     }