##Adobe File Version: 1.000 #======================================================================= # FTP file name: THAI.TXT # # Contents: Map (external version) from Mac OS Thai # character set to Unicode 2.1 # # Copyright: (c) 1995-1999 by Apple Computer, Inc., all rights # reserved. # # Contact: charsets@apple.com # # Changes: # # b02 1999-Sep-22 Update contact e-mail address. Matches # internal utom<b1>, ufrm<b2>, and Text # Encoding Converter version 1.5. # n07 1998-Feb-05 Update to match internal utom<n5>, ufrm<n13> # and Text Encoding Converter version 1.3: # Use standard Unicodes plus transcoding hints # instead of single corporate characters; see # details below. Also update header comments # to new format. # n04 1995-Nov-17 First version (after fixing some typos). # Matches internal ufrm<n6>. # # Standard header: # ---------------- # # Apple, the Apple logo, and Macintosh are trademarks of Apple # Computer, Inc., registered in the United States and other countries. # Unicode is a trademark of Unicode Inc. For the sake of brevity, # throughout this document, "Macintosh" can be used to refer to # Macintosh computers and "Unicode" can be used to refer to the # Unicode standard. # # Apple makes no warranty or representation, either express or # implied, with respect to these tables, their quality, accuracy, or # fitness for a particular purpose. In no event will Apple be liable # for direct, indirect, special, incidental, or consequential damages # resulting from any defect or inaccuracy in this document or the # accompanying tables. # # These mapping tables and character lists are subject to change. # The latest tables should be available from the following: # # <ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/APPLE/> # <ftp://dev.apple.com/devworld/Technical_Documentation/Misc._Standards/> # # For general information about Mac OS encodings and these mapping # tables, see the file "README.TXT". # # Format: # ------- # # Three tab-separated columns; # '#' begins a comment which continues to the end of the line. # Column #1 is the Mac OS Thai code (in hex as 0xNN) # Column #2 is the corresponding Unicode or Unicode sequence # (in hex as 0xNNNN or 0xNNNN+0xNNNN). # Column #3 is a comment containing the Unicode name # # The entries are in Mac OS Thai code order. # # Some of these mappings require the use of corporate characters. # See the file "CORPCHAR.TXT" and notes below. # # Control character mappings are not shown in this table, following # the conventions of the standard UTC mapping tables. However, the # Mac OS Thai character set uses the standard control characters at # 0x00-0x1F and 0x7F. # # Notes on Mac OS Thai: # --------------------- # # Codes 0xA1-0xDA and 0xDF-0xFB are the character set from Thai # standard TIS 620-2533, except that the following changes are # made: # 0xEE is TRADE MARK SIGN (instead of THAI CHARACTER YAMAKKAN) # 0xFA is REGISTERED SIGN (instead of THAI CHARACTER ANGKHANKHU) # 0xFB is COPYRIGHT SIGN (instead of THAI CHARACTER KHOMUT) # # Codes 0x80-0x82, 0x8D-0x8E, 0x91, 0x9D-0x9E, and 0xDB-0xDE are # various additional punctuation marks (e.g. curly quotes, # ellipsis), no-break space, and two special characters "word join" # and "word break". # # Codes 0x83-0x8C, 0x8F, and 0x92-0x9C are for positional variants # of the upper vowels, tone marks, and other signs at 0xD1, # 0xD4-0xD7, and 0xE7-0xED. The positional variants would normally # be considered presentation forms only and not characters. In most # cases they are not typed directly; they are selected automatically # at display time by the WorldScript software. However, using the # Thai-DTP keyboard, the presentation forms can in fact be typed # directly using dead keys. Thus they must be treated as real # characters in the Mac OS Thai encoding. They are mapped using # variant tags; see below. # # Several code points are undefined and unused (they cannot be # typed using any of the Mac OS Thai keyboard layouts): 0x90, 0x9F, # 0xFC-0xFE. These are not shown in the table below. # # Unicode mapping issues and notes: # --------------------------------- # # The goals in the Apple mappings provided here are: # - Ensure roundtrip mapping from every character in the Mac OS Thai # character set to Unicode and back # - Use standard Unicode characters as much as possible, to maximize # interchangeability of the resulting Unicode text. Whenever possible, # avoid having content carried by private-use characters. # # To satisfy both goals, we use private use characters to mark variants # that are similar to a sequence of one or more standard Unicode # characters. # # Apple has defined a block of 32 corporate characters as "transcoding # hints." These are used in combination with standard Unicode characters # to force them to be treated in a special way for mapping to other # encodings; they have no other effect. Sixteen of these transcoding # hints are "grouping hints" - they indicate that the next 2-4 Unicode # characters should be treated as a single entity for transcoding. The # other sixteen transcoding hints are "variant tags" - they are like # combining characters, and can follow a standard Unicode (or a sequence # consisting of a base character and other combining characters) to # cause it to be treated in a special way for transcoding. These always # terminate a combining-character sequence. # # The transcoding coding hints used in this mapping table are four # variant tags in the range 0xF873-75. Since these are combined with # standard Unicode characters, some characters in the Mac OS Thai # character set map to a sequence of two Unicodes instead of a single # Unicode character. For example, the Mac OS Thai character at 0x83 is a # low-left positional variant of THAI CHARACTER MAI EK (the standard # mapping is for the abstract character at 0xE8). So 0x83 is mapped to # 0x0E48 (THAI CHARACTER MAI EK) + 0xF875 (a variant tag). # # Details of mapping changes in each version: # ------------------------------------------- # # Changes from version n04 to version n07: # # - Changed mappings of the positional variants to use standard # Unicodes + transcoding hint, instead of using single corporate # zone characters. This affected the mappings for the following: # 0x83-08C, 0x8F, 0x92-0x9C # # - Just comment out unused code points in the table, instead # of mapping them to U+FFFD. # ################## 0x20 0x0020 # SPACE 0x21 0x0021 # EXCLAMATION MARK 0x22 0x0022 # QUOTATION MARK 0x23 0x0023 # NUMBER SIGN 0x24 0x0024 # DOLLAR SIGN 0x25 0x0025 # PERCENT SIGN 0x26 0x0026 # AMPERSAND 0x27 0x0027 # APOSTROPHE 0x28 0x0028 # LEFT PARENTHESIS 0x29 0x0029 # RIGHT PARENTHESIS 0x2A 0x002A # ASTERISK 0x2B 0x002B # PLUS SIGN 0x2C 0x002C # COMMA 0x2D 0x002D # HYPHEN-MINUS 0x2E 0x002E # FULL STOP 0x2F 0x002F # SOLIDUS 0x30 0x0030 # DIGIT ZERO 0x31 0x0031 # DIGIT ONE 0x32 0x0032 # DIGIT TWO 0x33 0x0033 # DIGIT THREE 0x34 0x0034 # DIGIT FOUR 0x35 0x0035 # DIGIT FIVE 0x36 0x0036 # DIGIT SIX 0x37 0x0037 # DIGIT SEVEN 0x38 0x0038 # DIGIT EIGHT 0x39 0x0039 # DIGIT NINE 0x3A 0x003A # COLON 0x3B 0x003B # SEMICOLON 0x3C 0x003C # LESS-THAN SIGN 0x3D 0x003D # EQUALS SIGN 0x3E 0x003E # GREATER-THAN SIGN 0x3F 0x003F # QUESTION MARK 0x40 0x0040 # COMMERCIAL AT 0x41 0x0041 # LATIN CAPITAL LETTER A 0x42 0x0042 # LATIN CAPITAL LETTER B 0x43 0x0043 # LATIN CAPITAL LETTER C 0x44 0x0044 # LATIN CAPITAL LETTER D 0x45 0x0045 # LATIN CAPITAL LETTER E 0x46 0x0046 # LATIN CAPITAL LETTER F 0x47 0x0047 # LATIN CAPITAL LETTER G 0x48 0x0048 # LATIN CAPITAL LETTER H 0x49 0x0049 # LATIN CAPITAL LETTER I 0x4A 0x004A # LATIN CAPITAL LETTER J 0x4B 0x004B # LATIN CAPITAL LETTER K 0x4C 0x004C # LATIN CAPITAL LETTER L 0x4D 0x004D # LATIN CAPITAL LETTER M 0x4E 0x004E # LATIN CAPITAL LETTER N 0x4F 0x004F # LATIN CAPITAL LETTER O 0x50 0x0050 # LATIN CAPITAL LETTER P 0x51 0x0051 # LATIN CAPITAL LETTER Q 0x52 0x0052 # LATIN CAPITAL LETTER R 0x53 0x0053 # LATIN CAPITAL LETTER S 0x54 0x0054 # LATIN CAPITAL LETTER T 0x55 0x0055 # LATIN CAPITAL LETTER U 0x56 0x0056 # LATIN CAPITAL LETTER V 0x57 0x0057 # LATIN CAPITAL LETTER W 0x58 0x0058 # LATIN CAPITAL LETTER X 0x59 0x0059 # LATIN CAPITAL LETTER Y 0x5A 0x005A # LATIN CAPITAL LETTER Z 0x5B 0x005B # LEFT SQUARE BRACKET 0x5C 0x005C # REVERSE SOLIDUS 0x5D 0x005D # RIGHT SQUARE BRACKET 0x5E 0x005E # CIRCUMFLEX ACCENT 0x5F 0x005F # LOW LINE 0x60 0x0060 # GRAVE ACCENT 0x61 0x0061 # LATIN SMALL LETTER A 0x62 0x0062 # LATIN SMALL LETTER B 0x63 0x0063 # LATIN SMALL LETTER C 0x64 0x0064 # LATIN SMALL LETTER D 0x65 0x0065 # LATIN SMALL LETTER E 0x66 0x0066 # LATIN SMALL LETTER F 0x67 0x0067 # LATIN SMALL LETTER G 0x68 0x0068 # LATIN SMALL LETTER H 0x69 0x0069 # LATIN SMALL LETTER I 0x6A 0x006A # LATIN SMALL LETTER J 0x6B 0x006B # LATIN SMALL LETTER K 0x6C 0x006C # LATIN SMALL LETTER L 0x6D 0x006D # LATIN SMALL LETTER M 0x6E 0x006E # LATIN SMALL LETTER N 0x6F 0x006F # LATIN SMALL LETTER O 0x70 0x0070 # LATIN SMALL LETTER P 0x71 0x0071 # LATIN SMALL LETTER Q 0x72 0x0072 # LATIN SMALL LETTER R 0x73 0x0073 # LATIN SMALL LETTER S 0x74 0x0074 # ...
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