diff options
Diffstat (limited to 'vendor/golang.org/x/text/width/tables13.0.0.go')
| -rw-r--r-- | vendor/golang.org/x/text/width/tables13.0.0.go | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/vendor/golang.org/x/text/width/tables13.0.0.go b/vendor/golang.org/x/text/width/tables13.0.0.go index bac3f1ae..ab258e38 100644 --- a/vendor/golang.org/x/text/width/tables13.0.0.go +++ b/vendor/golang.org/x/text/width/tables13.0.0.go @@ -1179,21 +1179,31 @@ var widthIndex = [1408]uint8{ } // inverseData contains 4-byte entries of the following format: -// <length> <modified UTF-8-encoded rune> <0 padding> +// +// <length> <modified UTF-8-encoded rune> <0 padding> +// // The last byte of the UTF-8-encoded rune is xor-ed with the last byte of the // UTF-8 encoding of the original rune. Mappings often have the following // pattern: -// Ａ -> A (U+FF21 -> U+0041) -// Ｂ -> B (U+FF22 -> U+0042) -// ... +// +// Ａ -> A (U+FF21 -> U+0041) +// Ｂ -> B (U+FF22 -> U+0042) +// ... +// // By xor-ing the last byte the same entry can be shared by many mappings. This // reduces the total number of distinct entries by about two thirds. // The resulting entry for the aforementioned mappings is -// { 0x01, 0xE0, 0x00, 0x00 } +// +// { 0x01, 0xE0, 0x00, 0x00 } +// // Using this entry to map U+FF21 (UTF-8 [EF BC A1]), we get -// E0 ^ A1 = 41. +// +// E0 ^ A1 = 41. +// // Similarly, for U+FF22 (UTF-8 [EF BC A2]), we get -// E0 ^ A2 = 42. +// +// E0 ^ A2 = 42. +// // Note that because of the xor-ing, the byte sequence stored in the entry is // not valid UTF-8. var inverseData = [150][4]byte{ |