##Adobe File Version: 1.000 #======================================================================= # FTP file name: GUJARATI.TXT # # Contents: Map (external version) from Mac OS Gujarati # encoding to Unicode 2.1 # # Copyright: (c) 1997-1999 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<b1>, and Text # Encoding Converter version 1.5. # n02 1998-Feb-05 First version; matches internal utom<n4>, # ufrm<n5>. # # 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 Gujarati code or code sequence # (in hex as 0xNN or 0xNN+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 or sequence # of names. In some cases an additional comment follows the # Unicode name(s). # # The entries are in two sections. The first section is for pairs of # Mac OS Gujarati code points that must be mapped in a special way. # The second section maps individual code points. # # Within each section, the entries are in Mac OS Gujarati code order. # # Control character mappings are not shown in this table, following # the conventions of the standard UTC mapping tables. However, the # Mac OS Gujarati character set uses the standard control characters # at 0x00-0x1F and 0x7F. # # Notes on Mac OS Gujarati: # ------------------------- # # Mac OS Gujarati is based on IS 13194:1991 (ISCII-91), with the # addition of several punctuation and symbol characters. However, # Mac OS Gujarati does not support the ATR (attribute) mechanism of # ISCII-91. # # 1. ISCII-91 features in Mac OS Gujarati include: # # a) Overloading of nukta # # In addition to using the nukta (0xE9) like a combining dot below, # nukta is overloaded to function as a general character modifier. # In this role, certain code points followed by 0xE9 are treated as # a two-byte code point representing a character which may be # rather different than the characters represented by either of # the code points alone. For example, the character GUJARATI OM # (U+0AD0) is represented in ISCII-91 as candrabindu + nukta. # # b) Explicit halant and soft halant # # A double halant (0xE8 + 0xE8) constitutes an "explicit halant", # which will always appear as a halant instead of causing formation # of a ligature or half-form consonant. # # Halant followed by nukta (0xE8 + 0xE9) constitutes a "soft # halant", which prevents formation of a ligature and instead # retains the half-form of the first consonant. # # c) Invisible consonant # # The byte 0xD9 (called INV in ISCII-91) is an invisible consonant: # It behaves like a consonant but has no visible appearance. It is # intended to be used (often in combination with halant) to display # dependent forms in isolation, such as the RA forms or consonant # half-forms. # # d) Extensions for Vedic, etc. # # The byte 0xF0 (called EXT in ISCII-91) followed by any byte in # the range 0xA1-0xEE constitutes a two-byte code point which can # be used to represent additional characters for Vedic (or other # extensions); 0xF0 followed by any other byte value constitutes # malformed text. Mac OS Gujarati supports this mechanism, but # does not currently map any of these two-byte code points to # anything. # # 2. Mac OS Gujarati additions # # Mac OS Gujarati adds characters using the code points # 0x80-0x8A and 0x90. # # 3. Unused code points # # The following code points are currently unused, and are not shown # here: 0x8B-0x8F, 0x91-0xA0, 0xAB, 0xAF, 0xC7, 0xCE, 0xD0, 0xD3, # 0xE0, 0xE4, 0xEB-0xEF, 0xFB-0xFF. In addition, 0xF0 is not shown # here, but it has a special function as described above. # # Unicode mapping issues and notes: # --------------------------------- # # 1. Mapping the byte pairs # # If one of the following byte values is encountered when mapping # Mac OS Gujarati text - xA1, xAA, xDF, or 0xE8 - then the next # byte (if there is one) should be examined. If the next byte is # 0xE9 - or also 0xE8, if the first byte was 0xE8 - then the byte # pair should be mapped using the first section of the mapping # table below. Otherwise, each byte should be mapped using the # second section of the mapping table below. # # - The Unicode Standard, Version 2.0, specifies how explicit # halant and soft halant should be represented in Unicode; # these mappings are used below. # # If the byte value 0xF0 is encountered when mapping Mac OS # Gujarati text, then the next byte should be examined. If there # is no next byte (e.g. 0xF0 at end of buffer), the mapping # process should indicate incomplete character. If there is a next # byte but it is not in the range 0xA1-0xEE, the mapping process # should indicate malformed text. Otherwise, the mapping process # should treat the byte pair as a valid two-byte code point with no # mapping (e.g. map it to QUESTION MARK, REPLACEMENT CHARACTER, # etc.). # # 2. Mapping the invisible consonant # # It has been suggested that INV in ISCII-91 should map to ZERO # WIDTH NON-JOINER in Unicode. However, this causes problems with # roundtrip fidelity: The ISCII-91 sequences 0xE8+0xE8 and 0xE8+0xD9 # would map to the same sequence of Unicode characters. We have # instead mapped INV to LEFT-TO-RIGHT MARK, which avoids these # problems. # # Details of mapping changes in each version: # ------------------------------------------- # ################## # Section 1: Map the following byte pairs as indicated: # (ZWNJ means ZERO WIDTH NON-JOINER, ZWJ means ZERO WIDTH JOINER) # (Also see note about 0xF0 in comments above) 0xA1+0xE9 0x0AD0 # GUJARATI OM 0xAA+0xE9 0x0AE0 # GUJARATI LETTER VOCALIC RR 0xDF+0xE9 0x0AC4 # GUJARATI VOWEL SIGN VOCALIC RR 0xE8+0xE8 0x0ACD+0x200C # GUJARATI SIGN VIRAMA + ZWNJ # explicit halant 0xE8+0xE9 0x0ACD+0x200D # GUJARATI SIGN VIRAMA + ZWJ # soft halant # Section 2: Map the remaining bytes as follows: 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 # LA...
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