1 files changed, 0 insertions, 124 deletions
diff --git a/modules/mahonia/iso2022jp.go b/modules/mahonia/iso2022jp.go
deleted file mode 100644
index c8de6fc8fb..0000000000
--- a/modules/mahonia/iso2022jp.go
+++ /dev/null
@@ -1,124 +0,0 @@
-package mahonia
-
-import (
-	"unicode/utf8"
-)
-
-// converters for ISO-2022-JP encoding
-
-const esc = 27
-
-func init() {
-	type jpEncoding int
-	const (
-		ascii jpEncoding = iota
-		jisX0201Roman
-		jisX0208
-	)
-
-	RegisterCharset(&Charset{
-		Name: "ISO-2022-JP",
-		NewDecoder: func() Decoder {
-			encoding := ascii
-			return func(p []byte) (c rune, size int, status Status) {
-				if len(p) == 0 {
-					return 0, 0, NO_ROOM
-				}
-
-				b := p[0]
-				if b == esc {
-					if len(p) < 3 {
-						return 0, 0, NO_ROOM
-					}
-					switch p[1] {
-					case '(':
-						switch p[2] {
-						case 'B':
-							encoding = ascii
-							return 0, 3, STATE_ONLY
-
-						case 'J':
-							encoding = jisX0201Roman
-							return 0, 3, STATE_ONLY
-						}
-
-					case '$':
-						switch p[2] {
-						case '@', 'B':
-							encoding = jisX0208
-							return 0, 3, STATE_ONLY
-						}
-					}
-				}
-
-				switch encoding {
-				case ascii:
-					if b > 127 {
-						return utf8.RuneError, 1, INVALID_CHAR
-					}
-					return rune(b), 1, SUCCESS
-
-				case jisX0201Roman:
-					if b > 127 {
-						return utf8.RuneError, 1, INVALID_CHAR
-					}
-					switch b {
-					case '\\':
-						return 0xA5, 1, SUCCESS
-					case '~':
-						return 0x203E, 1, SUCCESS
-					}
-					return rune(b), 1, SUCCESS
-
-				case jisX0208:
-					return jis0208Table.DecodeLow(p)
-				}
-				panic("unreachable")
-			}
-		},
-		NewEncoder: func() Encoder {
-			jis0208Table.Reverse()
-			encoding := ascii
-			return func(p []byte, c rune) (size int, status Status) {
-				if len(p) == 0 {
-					return 0, NO_ROOM
-				}
-
-				if c < 128 {
-					if encoding != ascii {
-						if len(p) < 4 {
-							return 0, NO_ROOM
-						}
-						p[0], p[1], p[2] = esc, '(', 'B'
-						p[3] = byte(c)
-						encoding = ascii
-						return 4, SUCCESS
-					}
-					p[0] = byte(c)
-					return 1, SUCCESS
-				}
-
-				if c > 65535 {
-					return 0, INVALID_CHAR
-				}
-				jis := jis0208Table.FromUnicode[c]
-				if jis == [2]byte{0, 0} && c != rune(jis0208Table.Data[0][0]) {
-					return 0, INVALID_CHAR
-				}
-
-				if encoding != jisX0208 {
-					if len(p) < 3 {
-						return 0, NO_ROOM
-					}
-					p[0], p[1], p[2] = esc, '$', 'B'
-					encoding = jisX0208
-					return 3, STATE_ONLY
-				}
-
-				p[0] = jis[0] + 0x21
-				p[1] = jis[1] + 0x21
-				return 2, SUCCESS
-			}
-		},
-	})
-}