-# The hashes are stored as utf8 strings. This makes it easier to deal with
-# sequences. I (khw) also tried making Name.pl utf8, but it slowed things
-# down by a factor of 7. I then tried making Name.pl store the ut8
-# equivalents but not calling them utf8. That led to similar speed as leaving
-# it alone, but since that is harder for a human to parse, I left it as-is.
-
-my %system_aliases = (
- # Icky 3.2 names with parentheses.
- 'LINE FEED' => pack("U", 0x0A), # LINE FEED (LF)
- 'FORM FEED' => pack("U", 0x0C), # FORM FEED (FF)
- 'CARRIAGE RETURN' => pack("U", 0x0D), # CARRIAGE RETURN (CR)
- 'NEXT LINE' => pack("U", 0x85), # NEXT LINE (NEL)
-
- # Some variant names from Wikipedia
- 'SINGLE-SHIFT 2' => pack("U", 0x8E),
- 'SINGLE-SHIFT 3' => pack("U", 0x8F),
- 'PRIVATE USE 1' => pack("U", 0x91),
- 'PRIVATE USE 2' => pack("U", 0x92),
- 'START OF PROTECTED AREA' => pack("U", 0x96),
- 'END OF PROTECTED AREA' => pack("U", 0x97),
-
- # Convenience. Standard abbreviations for the controls
- 'NUL' => pack("U", 0x00), # NULL
- 'SOH' => pack("U", 0x01), # START OF HEADING
- 'STX' => pack("U", 0x02), # START OF TEXT
- 'ETX' => pack("U", 0x03), # END OF TEXT
- 'EOT' => pack("U", 0x04), # END OF TRANSMISSION
- 'ENQ' => pack("U", 0x05), # ENQUIRY
- 'ACK' => pack("U", 0x06), # ACKNOWLEDGE
- 'BEL' => pack("U", 0x07), # BELL
- 'BS' => pack("U", 0x08), # BACKSPACE
- 'HT' => pack("U", 0x09), # HORIZONTAL TABULATION
- 'LF' => pack("U", 0x0A), # LINE FEED (LF)
- 'VT' => pack("U", 0x0B), # VERTICAL TABULATION
- 'FF' => pack("U", 0x0C), # FORM FEED (FF)
- 'CR' => pack("U", 0x0D), # CARRIAGE RETURN (CR)
- 'SO' => pack("U", 0x0E), # SHIFT OUT
- 'SI' => pack("U", 0x0F), # SHIFT IN
- 'DLE' => pack("U", 0x10), # DATA LINK ESCAPE
- 'DC1' => pack("U", 0x11), # DEVICE CONTROL ONE
- 'DC2' => pack("U", 0x12), # DEVICE CONTROL TWO
- 'DC3' => pack("U", 0x13), # DEVICE CONTROL THREE
- 'DC4' => pack("U", 0x14), # DEVICE CONTROL FOUR
- 'NAK' => pack("U", 0x15), # NEGATIVE ACKNOWLEDGE
- 'SYN' => pack("U", 0x16), # SYNCHRONOUS IDLE
- 'ETB' => pack("U", 0x17), # END OF TRANSMISSION BLOCK
- 'CAN' => pack("U", 0x18), # CANCEL
- 'EOM' => pack("U", 0x19), # END OF MEDIUM
- 'SUB' => pack("U", 0x1A), # SUBSTITUTE
- 'ESC' => pack("U", 0x1B), # ESCAPE
- 'FS' => pack("U", 0x1C), # FILE SEPARATOR
- 'GS' => pack("U", 0x1D), # GROUP SEPARATOR
- 'RS' => pack("U", 0x1E), # RECORD SEPARATOR
- 'US' => pack("U", 0x1F), # UNIT SEPARATOR
- 'DEL' => pack("U", 0x7F), # DELETE
- 'BPH' => pack("U", 0x82), # BREAK PERMITTED HERE
- 'NBH' => pack("U", 0x83), # NO BREAK HERE
- 'NEL' => pack("U", 0x85), # NEXT LINE (NEL)
- 'SSA' => pack("U", 0x86), # START OF SELECTED AREA
- 'ESA' => pack("U", 0x87), # END OF SELECTED AREA
- 'HTS' => pack("U", 0x88), # CHARACTER TABULATION SET
- 'HTJ' => pack("U", 0x89), # CHARACTER TABULATION WITH JUSTIFICATION
- 'VTS' => pack("U", 0x8A), # LINE TABULATION SET
- 'PLD' => pack("U", 0x8B), # PARTIAL LINE FORWARD
- 'PLU' => pack("U", 0x8C), # PARTIAL LINE BACKWARD
- 'RI ' => pack("U", 0x8D), # REVERSE LINE FEED
- 'SS2' => pack("U", 0x8E), # SINGLE SHIFT TWO
- 'SS3' => pack("U", 0x8F), # SINGLE SHIFT THREE
- 'DCS' => pack("U", 0x90), # DEVICE CONTROL STRING
- 'PU1' => pack("U", 0x91), # PRIVATE USE ONE
- 'PU2' => pack("U", 0x92), # PRIVATE USE TWO
- 'STS' => pack("U", 0x93), # SET TRANSMIT STATE
- 'CCH' => pack("U", 0x94), # CANCEL CHARACTER
- 'MW ' => pack("U", 0x95), # MESSAGE WAITING
- 'SPA' => pack("U", 0x96), # START OF GUARDED AREA
- 'EPA' => pack("U", 0x97), # END OF GUARDED AREA
- 'SOS' => pack("U", 0x98), # START OF STRING
- 'SCI' => pack("U", 0x9A), # SINGLE CHARACTER INTRODUCER
- 'CSI' => pack("U", 0x9B), # CONTROL SEQUENCE INTRODUCER
- 'ST ' => pack("U", 0x9C), # STRING TERMINATOR
- 'OSC' => pack("U", 0x9D), # OPERATING SYSTEM COMMAND
- 'PM ' => pack("U", 0x9E), # PRIVACY MESSAGE
- 'APC' => pack("U", 0x9F), # APPLICATION PROGRAM COMMAND
-
- # There are no names for these in the Unicode standard;
- # perhaps should be deprecated, but then again there are
- # no alternative names, so am not deprecating. And if
- # did, the code would have to change to not recommend an
- # alternative for these.
- 'PADDING CHARACTER' => pack("U", 0x80),
- 'PAD' => pack("U", 0x80),
- 'HIGH OCTET PRESET' => pack("U", 0x81),
- 'HOP' => pack("U", 0x81),
- 'INDEX' => pack("U", 0x84),
- 'IND' => pack("U", 0x84),
- 'SINGLE GRAPHIC CHARACTER INTRODUCER' => pack("U", 0x99),
- 'SGC' => pack("U", 0x99),
-
- # More convenience. For further convenience,
- # it is suggested some way of using the NamesList
- # aliases be implemented, but there are ambiguities in
- # NamesList.txt
- 'BOM' => pack("U", 0xFEFF), # BYTE ORDER MARK
- 'BYTE ORDER MARK'=> pack("U", 0xFEFF),
- 'CGJ' => pack("U", 0x034F), # COMBINING GRAPHEME JOINER
- 'FVS1' => pack("U", 0x180B), # MONGOLIAN FREE VARIATION SELECTOR ONE
- 'FVS2' => pack("U", 0x180C), # MONGOLIAN FREE VARIATION SELECTOR TWO
- 'FVS3' => pack("U", 0x180D), # MONGOLIAN FREE VARIATION SELECTOR THREE
- 'LRE' => pack("U", 0x202A), # LEFT-TO-RIGHT EMBEDDING
- 'LRM' => pack("U", 0x200E), # LEFT-TO-RIGHT MARK
- 'LRO' => pack("U", 0x202D), # LEFT-TO-RIGHT OVERRIDE
- 'MMSP' => pack("U", 0x205F), # MEDIUM MATHEMATICAL SPACE
- 'MVS' => pack("U", 0x180E), # MONGOLIAN VOWEL SEPARATOR
- 'NBSP' => pack("U", 0x00A0), # NO-BREAK SPACE
- 'NNBSP' => pack("U", 0x202F), # NARROW NO-BREAK SPACE
- 'PDF' => pack("U", 0x202C), # POP DIRECTIONAL FORMATTING
- 'RLE' => pack("U", 0x202B), # RIGHT-TO-LEFT EMBEDDING
- 'RLM' => pack("U", 0x200F), # RIGHT-TO-LEFT MARK
- 'RLO' => pack("U", 0x202E), # RIGHT-TO-LEFT OVERRIDE
- 'SHY' => pack("U", 0x00AD), # SOFT HYPHEN
- 'VS1' => pack("U", 0xFE00), # VARIATION SELECTOR-1
- 'VS2' => pack("U", 0xFE01), # VARIATION SELECTOR-2
- 'VS3' => pack("U", 0xFE02), # VARIATION SELECTOR-3
- 'VS4' => pack("U", 0xFE03), # VARIATION SELECTOR-4
- 'VS5' => pack("U", 0xFE04), # VARIATION SELECTOR-5
- 'VS6' => pack("U", 0xFE05), # VARIATION SELECTOR-6
- 'VS7' => pack("U", 0xFE06), # VARIATION SELECTOR-7
- 'VS8' => pack("U", 0xFE07), # VARIATION SELECTOR-8
- 'VS9' => pack("U", 0xFE08), # VARIATION SELECTOR-9
- 'VS10' => pack("U", 0xFE09), # VARIATION SELECTOR-10
- 'VS11' => pack("U", 0xFE0A), # VARIATION SELECTOR-11
- 'VS12' => pack("U", 0xFE0B), # VARIATION SELECTOR-12
- 'VS13' => pack("U", 0xFE0C), # VARIATION SELECTOR-13
- 'VS14' => pack("U", 0xFE0D), # VARIATION SELECTOR-14
- 'VS15' => pack("U", 0xFE0E), # VARIATION SELECTOR-15
- 'VS16' => pack("U", 0xFE0F), # VARIATION SELECTOR-16
- 'VS17' => pack("U", 0xE0100), # VARIATION SELECTOR-17
- 'VS18' => pack("U", 0xE0101), # VARIATION SELECTOR-18
- 'VS19' => pack("U", 0xE0102), # VARIATION SELECTOR-19
- 'VS20' => pack("U", 0xE0103), # VARIATION SELECTOR-20
- 'VS21' => pack("U", 0xE0104), # VARIATION SELECTOR-21
- 'VS22' => pack("U", 0xE0105), # VARIATION SELECTOR-22
- 'VS23' => pack("U", 0xE0106), # VARIATION SELECTOR-23
- 'VS24' => pack("U", 0xE0107), # VARIATION SELECTOR-24
- 'VS25' => pack("U", 0xE0108), # VARIATION SELECTOR-25
- 'VS26' => pack("U", 0xE0109), # VARIATION SELECTOR-26
- 'VS27' => pack("U", 0xE010A), # VARIATION SELECTOR-27
- 'VS28' => pack("U", 0xE010B), # VARIATION SELECTOR-28
- 'VS29' => pack("U", 0xE010C), # VARIATION SELECTOR-29
- 'VS30' => pack("U", 0xE010D), # VARIATION SELECTOR-30
- 'VS31' => pack("U", 0xE010E), # VARIATION SELECTOR-31
- 'VS32' => pack("U", 0xE010F), # VARIATION SELECTOR-32
- 'VS33' => pack("U", 0xE0110), # VARIATION SELECTOR-33
- 'VS34' => pack("U", 0xE0111), # VARIATION SELECTOR-34
- 'VS35' => pack("U", 0xE0112), # VARIATION SELECTOR-35
- 'VS36' => pack("U", 0xE0113), # VARIATION SELECTOR-36
- 'VS37' => pack("U", 0xE0114), # VARIATION SELECTOR-37
- 'VS38' => pack("U", 0xE0115), # VARIATION SELECTOR-38
- 'VS39' => pack("U", 0xE0116), # VARIATION SELECTOR-39
- 'VS40' => pack("U", 0xE0117), # VARIATION SELECTOR-40
- 'VS41' => pack("U", 0xE0118), # VARIATION SELECTOR-41
- 'VS42' => pack("U", 0xE0119), # VARIATION SELECTOR-42
- 'VS43' => pack("U", 0xE011A), # VARIATION SELECTOR-43
- 'VS44' => pack("U", 0xE011B), # VARIATION SELECTOR-44
- 'VS45' => pack("U", 0xE011C), # VARIATION SELECTOR-45
- 'VS46' => pack("U", 0xE011D), # VARIATION SELECTOR-46
- 'VS47' => pack("U", 0xE011E), # VARIATION SELECTOR-47
- 'VS48' => pack("U", 0xE011F), # VARIATION SELECTOR-48
- 'VS49' => pack("U", 0xE0120), # VARIATION SELECTOR-49
- 'VS50' => pack("U", 0xE0121), # VARIATION SELECTOR-50
- 'VS51' => pack("U", 0xE0122), # VARIATION SELECTOR-51
- 'VS52' => pack("U", 0xE0123), # VARIATION SELECTOR-52
- 'VS53' => pack("U", 0xE0124), # VARIATION SELECTOR-53
- 'VS54' => pack("U", 0xE0125), # VARIATION SELECTOR-54
- 'VS55' => pack("U", 0xE0126), # VARIATION SELECTOR-55
- 'VS56' => pack("U", 0xE0127), # VARIATION SELECTOR-56
- 'VS57' => pack("U", 0xE0128), # VARIATION SELECTOR-57
- 'VS58' => pack("U", 0xE0129), # VARIATION SELECTOR-58
- 'VS59' => pack("U", 0xE012A), # VARIATION SELECTOR-59
- 'VS60' => pack("U", 0xE012B), # VARIATION SELECTOR-60
- 'VS61' => pack("U", 0xE012C), # VARIATION SELECTOR-61
- 'VS62' => pack("U", 0xE012D), # VARIATION SELECTOR-62
- 'VS63' => pack("U", 0xE012E), # VARIATION SELECTOR-63
- 'VS64' => pack("U", 0xE012F), # VARIATION SELECTOR-64
- 'VS65' => pack("U", 0xE0130), # VARIATION SELECTOR-65
- 'VS66' => pack("U", 0xE0131), # VARIATION SELECTOR-66
- 'VS67' => pack("U", 0xE0132), # VARIATION SELECTOR-67
- 'VS68' => pack("U", 0xE0133), # VARIATION SELECTOR-68
- 'VS69' => pack("U", 0xE0134), # VARIATION SELECTOR-69
- 'VS70' => pack("U", 0xE0135), # VARIATION SELECTOR-70
- 'VS71' => pack("U", 0xE0136), # VARIATION SELECTOR-71
- 'VS72' => pack("U", 0xE0137), # VARIATION SELECTOR-72
- 'VS73' => pack("U", 0xE0138), # VARIATION SELECTOR-73
- 'VS74' => pack("U", 0xE0139), # VARIATION SELECTOR-74
- 'VS75' => pack("U", 0xE013A), # VARIATION SELECTOR-75
- 'VS76' => pack("U", 0xE013B), # VARIATION SELECTOR-76
- 'VS77' => pack("U", 0xE013C), # VARIATION SELECTOR-77
- 'VS78' => pack("U", 0xE013D), # VARIATION SELECTOR-78
- 'VS79' => pack("U", 0xE013E), # VARIATION SELECTOR-79
- 'VS80' => pack("U", 0xE013F), # VARIATION SELECTOR-80
- 'VS81' => pack("U", 0xE0140), # VARIATION SELECTOR-81
- 'VS82' => pack("U", 0xE0141), # VARIATION SELECTOR-82
- 'VS83' => pack("U", 0xE0142), # VARIATION SELECTOR-83
- 'VS84' => pack("U", 0xE0143), # VARIATION SELECTOR-84
- 'VS85' => pack("U", 0xE0144), # VARIATION SELECTOR-85
- 'VS86' => pack("U", 0xE0145), # VARIATION SELECTOR-86
- 'VS87' => pack("U", 0xE0146), # VARIATION SELECTOR-87
- 'VS88' => pack("U", 0xE0147), # VARIATION SELECTOR-88
- 'VS89' => pack("U", 0xE0148), # VARIATION SELECTOR-89
- 'VS90' => pack("U", 0xE0149), # VARIATION SELECTOR-90
- 'VS91' => pack("U", 0xE014A), # VARIATION SELECTOR-91
- 'VS92' => pack("U", 0xE014B), # VARIATION SELECTOR-92
- 'VS93' => pack("U", 0xE014C), # VARIATION SELECTOR-93
- 'VS94' => pack("U", 0xE014D), # VARIATION SELECTOR-94
- 'VS95' => pack("U", 0xE014E), # VARIATION SELECTOR-95
- 'VS96' => pack("U", 0xE014F), # VARIATION SELECTOR-96
- 'VS97' => pack("U", 0xE0150), # VARIATION SELECTOR-97
- 'VS98' => pack("U", 0xE0151), # VARIATION SELECTOR-98
- 'VS99' => pack("U", 0xE0152), # VARIATION SELECTOR-99
- 'VS100' => pack("U", 0xE0153), # VARIATION SELECTOR-100
- 'VS101' => pack("U", 0xE0154), # VARIATION SELECTOR-101
- 'VS102' => pack("U", 0xE0155), # VARIATION SELECTOR-102
- 'VS103' => pack("U", 0xE0156), # VARIATION SELECTOR-103
- 'VS104' => pack("U", 0xE0157), # VARIATION SELECTOR-104
- 'VS105' => pack("U", 0xE0158), # VARIATION SELECTOR-105
- 'VS106' => pack("U", 0xE0159), # VARIATION SELECTOR-106
- 'VS107' => pack("U", 0xE015A), # VARIATION SELECTOR-107
- 'VS108' => pack("U", 0xE015B), # VARIATION SELECTOR-108
- 'VS109' => pack("U", 0xE015C), # VARIATION SELECTOR-109
- 'VS110' => pack("U", 0xE015D), # VARIATION SELECTOR-110
- 'VS111' => pack("U", 0xE015E), # VARIATION SELECTOR-111
- 'VS112' => pack("U", 0xE015F), # VARIATION SELECTOR-112
- 'VS113' => pack("U", 0xE0160), # VARIATION SELECTOR-113
- 'VS114' => pack("U", 0xE0161), # VARIATION SELECTOR-114
- 'VS115' => pack("U", 0xE0162), # VARIATION SELECTOR-115
- 'VS116' => pack("U", 0xE0163), # VARIATION SELECTOR-116
- 'VS117' => pack("U", 0xE0164), # VARIATION SELECTOR-117
- 'VS118' => pack("U", 0xE0165), # VARIATION SELECTOR-118
- 'VS119' => pack("U", 0xE0166), # VARIATION SELECTOR-119
- 'VS120' => pack("U", 0xE0167), # VARIATION SELECTOR-120
- 'VS121' => pack("U", 0xE0168), # VARIATION SELECTOR-121
- 'VS122' => pack("U", 0xE0169), # VARIATION SELECTOR-122
- 'VS123' => pack("U", 0xE016A), # VARIATION SELECTOR-123
- 'VS124' => pack("U", 0xE016B), # VARIATION SELECTOR-124
- 'VS125' => pack("U", 0xE016C), # VARIATION SELECTOR-125
- 'VS126' => pack("U", 0xE016D), # VARIATION SELECTOR-126
- 'VS127' => pack("U", 0xE016E), # VARIATION SELECTOR-127
- 'VS128' => pack("U", 0xE016F), # VARIATION SELECTOR-128
- 'VS129' => pack("U", 0xE0170), # VARIATION SELECTOR-129
- 'VS130' => pack("U", 0xE0171), # VARIATION SELECTOR-130
- 'VS131' => pack("U", 0xE0172), # VARIATION SELECTOR-131
- 'VS132' => pack("U", 0xE0173), # VARIATION SELECTOR-132
- 'VS133' => pack("U", 0xE0174), # VARIATION SELECTOR-133
- 'VS134' => pack("U", 0xE0175), # VARIATION SELECTOR-134
- 'VS135' => pack("U", 0xE0176), # VARIATION SELECTOR-135
- 'VS136' => pack("U", 0xE0177), # VARIATION SELECTOR-136
- 'VS137' => pack("U", 0xE0178), # VARIATION SELECTOR-137
- 'VS138' => pack("U", 0xE0179), # VARIATION SELECTOR-138
- 'VS139' => pack("U", 0xE017A), # VARIATION SELECTOR-139
- 'VS140' => pack("U", 0xE017B), # VARIATION SELECTOR-140
- 'VS141' => pack("U", 0xE017C), # VARIATION SELECTOR-141
- 'VS142' => pack("U", 0xE017D), # VARIATION SELECTOR-142
- 'VS143' => pack("U", 0xE017E), # VARIATION SELECTOR-143
- 'VS144' => pack("U", 0xE017F), # VARIATION SELECTOR-144
- 'VS145' => pack("U", 0xE0180), # VARIATION SELECTOR-145
- 'VS146' => pack("U", 0xE0181), # VARIATION SELECTOR-146
- 'VS147' => pack("U", 0xE0182), # VARIATION SELECTOR-147
- 'VS148' => pack("U", 0xE0183), # VARIATION SELECTOR-148
- 'VS149' => pack("U", 0xE0184), # VARIATION SELECTOR-149
- 'VS150' => pack("U", 0xE0185), # VARIATION SELECTOR-150
- 'VS151' => pack("U", 0xE0186), # VARIATION SELECTOR-151
- 'VS152' => pack("U", 0xE0187), # VARIATION SELECTOR-152
- 'VS153' => pack("U", 0xE0188), # VARIATION SELECTOR-153
- 'VS154' => pack("U", 0xE0189), # VARIATION SELECTOR-154
- 'VS155' => pack("U", 0xE018A), # VARIATION SELECTOR-155
- 'VS156' => pack("U", 0xE018B), # VARIATION SELECTOR-156
- 'VS157' => pack("U", 0xE018C), # VARIATION SELECTOR-157
- 'VS158' => pack("U", 0xE018D), # VARIATION SELECTOR-158
- 'VS159' => pack("U", 0xE018E), # VARIATION SELECTOR-159
- 'VS160' => pack("U", 0xE018F), # VARIATION SELECTOR-160
- 'VS161' => pack("U", 0xE0190), # VARIATION SELECTOR-161
- 'VS162' => pack("U", 0xE0191), # VARIATION SELECTOR-162
- 'VS163' => pack("U", 0xE0192), # VARIATION SELECTOR-163
- 'VS164' => pack("U", 0xE0193), # VARIATION SELECTOR-164
- 'VS165' => pack("U", 0xE0194), # VARIATION SELECTOR-165
- 'VS166' => pack("U", 0xE0195), # VARIATION SELECTOR-166
- 'VS167' => pack("U", 0xE0196), # VARIATION SELECTOR-167
- 'VS168' => pack("U", 0xE0197), # VARIATION SELECTOR-168
- 'VS169' => pack("U", 0xE0198), # VARIATION SELECTOR-169
- 'VS170' => pack("U", 0xE0199), # VARIATION SELECTOR-170
- 'VS171' => pack("U", 0xE019A), # VARIATION SELECTOR-171
- 'VS172' => pack("U", 0xE019B), # VARIATION SELECTOR-172
- 'VS173' => pack("U", 0xE019C), # VARIATION SELECTOR-173
- 'VS174' => pack("U", 0xE019D), # VARIATION SELECTOR-174
- 'VS175' => pack("U", 0xE019E), # VARIATION SELECTOR-175
- 'VS176' => pack("U", 0xE019F), # VARIATION SELECTOR-176
- 'VS177' => pack("U", 0xE01A0), # VARIATION SELECTOR-177
- 'VS178' => pack("U", 0xE01A1), # VARIATION SELECTOR-178
- 'VS179' => pack("U", 0xE01A2), # VARIATION SELECTOR-179
- 'VS180' => pack("U", 0xE01A3), # VARIATION SELECTOR-180
- 'VS181' => pack("U", 0xE01A4), # VARIATION SELECTOR-181
- 'VS182' => pack("U", 0xE01A5), # VARIATION SELECTOR-182
- 'VS183' => pack("U", 0xE01A6), # VARIATION SELECTOR-183
- 'VS184' => pack("U", 0xE01A7), # VARIATION SELECTOR-184
- 'VS185' => pack("U", 0xE01A8), # VARIATION SELECTOR-185
- 'VS186' => pack("U", 0xE01A9), # VARIATION SELECTOR-186
- 'VS187' => pack("U", 0xE01AA), # VARIATION SELECTOR-187
- 'VS188' => pack("U", 0xE01AB), # VARIATION SELECTOR-188
- 'VS189' => pack("U", 0xE01AC), # VARIATION SELECTOR-189
- 'VS190' => pack("U", 0xE01AD), # VARIATION SELECTOR-190
- 'VS191' => pack("U", 0xE01AE), # VARIATION SELECTOR-191
- 'VS192' => pack("U", 0xE01AF), # VARIATION SELECTOR-192
- 'VS193' => pack("U", 0xE01B0), # VARIATION SELECTOR-193
- 'VS194' => pack("U", 0xE01B1), # VARIATION SELECTOR-194
- 'VS195' => pack("U", 0xE01B2), # VARIATION SELECTOR-195
- 'VS196' => pack("U", 0xE01B3), # VARIATION SELECTOR-196
- 'VS197' => pack("U", 0xE01B4), # VARIATION SELECTOR-197
- 'VS198' => pack("U", 0xE01B5), # VARIATION SELECTOR-198
- 'VS199' => pack("U", 0xE01B6), # VARIATION SELECTOR-199
- 'VS200' => pack("U", 0xE01B7), # VARIATION SELECTOR-200
- 'VS201' => pack("U", 0xE01B8), # VARIATION SELECTOR-201
- 'VS202' => pack("U", 0xE01B9), # VARIATION SELECTOR-202
- 'VS203' => pack("U", 0xE01BA), # VARIATION SELECTOR-203
- 'VS204' => pack("U", 0xE01BB), # VARIATION SELECTOR-204
- 'VS205' => pack("U", 0xE01BC), # VARIATION SELECTOR-205
- 'VS206' => pack("U", 0xE01BD), # VARIATION SELECTOR-206
- 'VS207' => pack("U", 0xE01BE), # VARIATION SELECTOR-207
- 'VS208' => pack("U", 0xE01BF), # VARIATION SELECTOR-208
- 'VS209' => pack("U", 0xE01C0), # VARIATION SELECTOR-209
- 'VS210' => pack("U", 0xE01C1), # VARIATION SELECTOR-210
- 'VS211' => pack("U", 0xE01C2), # VARIATION SELECTOR-211
- 'VS212' => pack("U", 0xE01C3), # VARIATION SELECTOR-212
- 'VS213' => pack("U", 0xE01C4), # VARIATION SELECTOR-213
- 'VS214' => pack("U", 0xE01C5), # VARIATION SELECTOR-214
- 'VS215' => pack("U", 0xE01C6), # VARIATION SELECTOR-215
- 'VS216' => pack("U", 0xE01C7), # VARIATION SELECTOR-216
- 'VS217' => pack("U", 0xE01C8), # VARIATION SELECTOR-217
- 'VS218' => pack("U", 0xE01C9), # VARIATION SELECTOR-218
- 'VS219' => pack("U", 0xE01CA), # VARIATION SELECTOR-219
- 'VS220' => pack("U", 0xE01CB), # VARIATION SELECTOR-220
- 'VS221' => pack("U", 0xE01CC), # VARIATION SELECTOR-221
- 'VS222' => pack("U", 0xE01CD), # VARIATION SELECTOR-222
- 'VS223' => pack("U", 0xE01CE), # VARIATION SELECTOR-223
- 'VS224' => pack("U", 0xE01CF), # VARIATION SELECTOR-224
- 'VS225' => pack("U", 0xE01D0), # VARIATION SELECTOR-225
- 'VS226' => pack("U", 0xE01D1), # VARIATION SELECTOR-226
- 'VS227' => pack("U", 0xE01D2), # VARIATION SELECTOR-227
- 'VS228' => pack("U", 0xE01D3), # VARIATION SELECTOR-228
- 'VS229' => pack("U", 0xE01D4), # VARIATION SELECTOR-229
- 'VS230' => pack("U", 0xE01D5), # VARIATION SELECTOR-230
- 'VS231' => pack("U", 0xE01D6), # VARIATION SELECTOR-231
- 'VS232' => pack("U", 0xE01D7), # VARIATION SELECTOR-232
- 'VS233' => pack("U", 0xE01D8), # VARIATION SELECTOR-233
- 'VS234' => pack("U", 0xE01D9), # VARIATION SELECTOR-234
- 'VS235' => pack("U", 0xE01DA), # VARIATION SELECTOR-235
- 'VS236' => pack("U", 0xE01DB), # VARIATION SELECTOR-236
- 'VS237' => pack("U", 0xE01DC), # VARIATION SELECTOR-237
- 'VS238' => pack("U", 0xE01DD), # VARIATION SELECTOR-238
- 'VS239' => pack("U", 0xE01DE), # VARIATION SELECTOR-239
- 'VS240' => pack("U", 0xE01DF), # VARIATION SELECTOR-240
- 'VS241' => pack("U", 0xE01E0), # VARIATION SELECTOR-241
- 'VS242' => pack("U", 0xE01E1), # VARIATION SELECTOR-242
- 'VS243' => pack("U", 0xE01E2), # VARIATION SELECTOR-243
- 'VS244' => pack("U", 0xE01E3), # VARIATION SELECTOR-244
- 'VS245' => pack("U", 0xE01E4), # VARIATION SELECTOR-245
- 'VS246' => pack("U", 0xE01E5), # VARIATION SELECTOR-246
- 'VS247' => pack("U", 0xE01E6), # VARIATION SELECTOR-247
- 'VS248' => pack("U", 0xE01E7), # VARIATION SELECTOR-248
- 'VS249' => pack("U", 0xE01E8), # VARIATION SELECTOR-249
- 'VS250' => pack("U", 0xE01E9), # VARIATION SELECTOR-250
- 'VS251' => pack("U", 0xE01EA), # VARIATION SELECTOR-251
- 'VS252' => pack("U", 0xE01EB), # VARIATION SELECTOR-252
- 'VS253' => pack("U", 0xE01EC), # VARIATION SELECTOR-253
- 'VS254' => pack("U", 0xE01ED), # VARIATION SELECTOR-254
- 'VS255' => pack("U", 0xE01EE), # VARIATION SELECTOR-255
- 'VS256' => pack("U", 0xE01EF), # VARIATION SELECTOR-256
- 'WJ' => pack("U", 0x2060), # WORD JOINER
- 'ZWJ' => pack("U", 0x200D), # ZERO WIDTH JOINER
- 'ZWNJ' => pack("U", 0x200C), # ZERO WIDTH NON-JOINER
- 'ZWSP' => pack("U", 0x200B), # ZERO WIDTH SPACE
-);
-
-my %deprecated_aliases = (
- # Pre-3.2 compatibility (only for the first 256 characters).
- # Use of these gives deprecated message.
- 'HORIZONTAL TABULATION' => pack("U", 0x09), # CHARACTER TABULATION
- 'VERTICAL TABULATION' => pack("U", 0x0B), # LINE TABULATION
- 'FILE SEPARATOR' => pack("U", 0x1C), # INFORMATION SEPARATOR FOUR
- 'GROUP SEPARATOR' => pack("U", 0x1D), # INFORMATION SEPARATOR THREE
- 'RECORD SEPARATOR' => pack("U", 0x1E), # INFORMATION SEPARATOR TWO
- 'UNIT SEPARATOR' => pack("U", 0x1F), # INFORMATION SEPARATOR ONE
- 'HORIZONTAL TABULATION SET' => pack("U", 0x88), # CHARACTER TABULATION SET
- 'HORIZONTAL TABULATION WITH JUSTIFICATION' => pack("U", 0x89), # CHARACTER TABULATION WITH JUSTIFICATION
- 'PARTIAL LINE DOWN' => pack("U", 0x8B), # PARTIAL LINE FORWARD
- 'PARTIAL LINE UP' => pack("U", 0x8C), # PARTIAL LINE BACKWARD
- 'VERTICAL TABULATION SET' => pack("U", 0x8A), # LINE TABULATION SET
- 'REVERSE INDEX' => pack("U", 0x8D), # REVERSE LINE FEED
-);
-
-
-my $txt; # The table of official character names
-
-my %full_names_cache; # Holds already-looked-up names, so don't have to
-# re-look them up again. The previous versions of charnames had scoping
-# bugs. For example if we use script A in one scope and find and cache
-# what Z resolves to, we can't use that cache in a different scope that
-# uses script B instead of A, as Z might be an entirely different letter
-# there; or there might be different aliases in effect in different
-# scopes, or :short may be in effect or not effect in different scopes,
-# or various combinations thereof. This was solved in this version
-# mostly by moving things to %^H. But some things couldn't be moved
-# there. One of them was the cache of runtime looked-up names, in part
-# because %^H is read-only at runtime. I (khw) don't know why the cache
-# was run-time only in the previous versions: perhaps oversight; perhaps
-# that compile time looking doesn't happen in a loop so didn't think it
-# was worthwhile; perhaps not wanting to make the cache too large. But
-# I decided to make it compile time as well; this could easily be
-# changed.
-# Anyway, this hash is not scoped, and is added to at runtime. It
-# doesn't have scoping problems because the data in it is restricted to
-# official names, which are always invariant, and we only set it and
-# look at it at during :full lookups, so is unaffected by any other
-# scoped options. I put this in to maintain parity with the older
-# version. If desired, a %short_names cache could also be made, as well
-# as one for each script, say in %script_names_cache, with each key
-# being a hash for a script named in a 'use charnames' statement. I
-# decided not to do that for now, just because it's added complication,
-# and because I'm just trying to maintain parity, not extend it.
-
-# Designed so that test decimal first, and then hex. Leading zeros
-# imply non-decimal, as do non-[0-9]
-my $decimal_qr = qr/^[1-9]\d*$/;
-
-# Returns the hex number in $1.
-my $hex_qr = qr/^(?:[Uu]\+|0[xX])?([[:xdigit:]]+)$/;
-
-sub croak
-{
- require Carp; goto &Carp::croak;
-} # croak
-
-sub carp
-{
- require Carp; goto &Carp::carp;
-} # carp
-
-sub alias (@) # Set up a single alias
-{
- my $alias = ref $_[0] ? $_[0] : { @_ };
- foreach my $name (keys %$alias) {
- my $value = $alias->{$name};
- next unless defined $value; # Omit if screwed up.
-
- # Is slightly slower to just after this statement see if it is
- # decimal, since we already know it is after having converted from
- # hex, but makes the code easier to maintain, and is called
- # infrequently, only at compile-time
- if ($value !~ $decimal_qr && $value =~ $hex_qr) {
- $value = CORE::hex $1;
- }
- if ($value =~ $decimal_qr) {
- no warnings 'utf8'; # Allow even illegal characters
- $^H{charnames_ord_aliases}{$name} = pack("U", $value);
-
- # Use a canonical form.
- $^H{charnames_inverse_ords}{sprintf("%05X", $value)} = $name;
- }
- else {
- # XXX validate syntax when deprecation cycle complete. ie. start
- # with an alpha only, etc.
- $^H{charnames_name_aliases}{$name} = $value;
- }
- }
-} # alias
-
-sub not_legal_use_bytes_msg {
- my ($name, $utf8) = @_;
- my $return;
-
- if (length($utf8) == 1) {
- $return = sprintf("Character 0x%04x with name '%s' is", ord $utf8, $name);
- } else {
- $return = sprintf("String with name '%s' (and ordinals %s) contains character(s)", $name, join(" ", map { sprintf "0x%04X", ord $_ } split(//, $utf8)));
- }
- return $return . " above 0xFF with 'use bytes' in effect";
-}
-
-sub alias_file ($) # Reads a file containing alias definitions
-{
- my ($arg, $file) = @_;
- if (-f $arg && File::Spec->file_name_is_absolute ($arg)) {
- $file = $arg;
- }
- elsif ($arg =~ m/^\w+$/) {
- $file = "unicore/${arg}_alias.pl";
- }
- else {
- croak "Charnames alias files can only have identifier characters";
- }
- if (my @alias = do $file) {
- @alias == 1 && !defined $alias[0] and
- croak "$file cannot be used as alias file for charnames";
- @alias % 2 and
- croak "$file did not return a (valid) list of alias pairs";
- alias (@alias);
- return (1);
- }
- 0;
-} # alias_file
-
-# For use when don't import anything. This structure must be kept in
-# sync with the one that import() fills up.
-my %dummy_H = (
- charnames_stringified_names => "",
- charnames_stringified_ords => "",
- charnames_scripts => "",
- charnames_full => 1,
- charnames_short => 0,
- );
-
-
-sub lookup_name ($$$) {
- my ($name, $wants_ord, $runtime) = @_;
-
- # Lookup the name or sequence $name in the tables. If $wants_ord is false,
- # returns the string equivalent of $name; if true, returns the ordinal value
- # instead, but in this case $name must not be a sequence; otherwise undef is
- # returned and a warning raised. $runtime is 0 if compiletime, otherwise
- # gives the number of stack frames to go back to get the application caller
- # info.
- # If $name is not found, returns undef in runtime with no warning; and in
- # compiletime, the Unicode replacement character, with a warning.
-
- # It looks first in the aliases, then in the large table of official Unicode
- # names.
-
- my $utf8; # The string result
- my $save_input;
-
- if ($runtime) {
-
- my $hints_ref = (caller($runtime))[10];
-
- # If we didn't import anything (which happens with 'use charnames ()',
- # substitute a dummy structure.
- $hints_ref = \%dummy_H if ! defined $hints_ref
- || ! defined $hints_ref->{charnames_full};
-
- # At runtime, but currently not at compile time, $^H gets
- # stringified, so un-stringify back to the original data structures.
- # These get thrown away by perl before the next invocation
- # Also fill in the hash with the non-stringified data.
- # N.B. New fields must be also added to %dummy_H
-
- %{$^H{charnames_name_aliases}} = split ',',
- $hints_ref->{charnames_stringified_names};
- %{$^H{charnames_ord_aliases}} = split ',',
- $hints_ref->{charnames_stringified_ords};
- $^H{charnames_scripts} = $hints_ref->{charnames_scripts};
- $^H{charnames_full} = $hints_ref->{charnames_full};
- $^H{charnames_short} = $hints_ref->{charnames_short};
- }
-
- # User alias should be checked first or else can't override ours, and if we
- # were to add any, could conflict with theirs.
- if (exists $^H{charnames_ord_aliases}{$name}) {
- $utf8 = $^H{charnames_ord_aliases}{$name};
- }
- elsif (exists $^H{charnames_name_aliases}{$name}) {
- $name = $^H{charnames_name_aliases}{$name};
- $save_input = $name; # Cache the result for any error message
- }
- elsif (exists $system_aliases{$name}) {
- $utf8 = $system_aliases{$name};
- }
- elsif (exists $deprecated_aliases{$name}) {
- require warnings;
- warnings::warnif('deprecated', "Unicode character name \"$name\" is deprecated, use \"" . viacode(ord $deprecated_aliases{$name}) . "\" instead");
- $utf8 = $deprecated_aliases{$name};
- }
-
- my @off;