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      1 /*	$NetBSD: lang.c,v 1.4 2025/12/31 22:18:50 oster Exp $	*/
      2 
      3 /* lang.c -- language-dependent support.
      4    Id: lang.c,v 1.14 2004/11/22 23:57:33 karl Exp
      5 
      6    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Free Software
      7    Foundation, Inc.
      8 
      9    This program is free software; you can redistribute it and/or modify
     10    it under the terms of the GNU General Public License as published by
     11    the Free Software Foundation; either version 2, or (at your option)
     12    any later version.
     13 
     14    This program is distributed in the hope that it will be useful,
     15    but WITHOUT ANY WARRANTY; without even the implied warranty of
     16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17    GNU General Public License for more details.
     18 
     19    You should have received a copy of the GNU General Public License
     20    along with this program; if not, write to the Free Software
     21    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
     22 
     23    Originally written by Karl Heinz Marbaise <kama (at) hippo.fido.de>.  */
     24 
     25 #include "system.h"
     26 #include "cmds.h"
     27 #include "files.h"
     28 #include "lang.h"
     29 #include "makeinfo.h"
     30 #include "xml.h"
     31 
     32 /* Current document encoding.  */
     33 encoding_code_type document_encoding_code = no_encoding;
     34 
     35 /* Current language code; default is English.  */
     36 language_code_type language_code = en;
     37 
     38 /* By default, unsupported encoding is an empty string.  */
     39 char *unknown_encoding = NULL;
     40 
     41 static iso_map_type us_ascii_map [] = {{NULL, 0, 0}}; /* ASCII map is trivial */
     42 
     43 /* Translation table between HTML and ISO Codes.  The last item is
     44    hopefully the Unicode. It might be possible that those Unicodes are
     45    not correct, cause I didn't check them. kama */
     46 static iso_map_type iso8859_1_map [] = {
     47   { "nbsp",   0xA0, 0x00A0 },
     48   { "iexcl",  0xA1, 0x00A1 },
     49   { "cent",   0xA2, 0x00A2 },
     50   { "pound",  0xA3, 0x00A3 },
     51   { "curren", 0xA4, 0x00A4 },
     52   { "yen",    0xA5, 0x00A5 },
     53   { "brkbar", 0xA6, 0x00A6 },
     54   { "sect",   0xA7, 0x00A7 },
     55   { "uml",    0xA8, 0x00A8 },
     56   { "copy",   0xA9, 0x00A9 },
     57   { "ordf",   0xAA, 0x00AA },
     58   { "laquo",  0xAB, 0x00AB },
     59   { "not",    0xAC, 0x00AC },
     60   { "shy",    0xAD, 0x00AD },
     61   { "reg",    0xAE, 0x00AE },
     62   { "hibar",  0xAF, 0x00AF },
     63   { "deg",    0xB0, 0x00B0 },
     64   { "plusmn", 0xB1, 0x00B1 },
     65   { "sup2",   0xB2, 0x00B2 },
     66   { "sup3",   0xB3, 0x00B3 },
     67   { "acute",  0xB4, 0x00B4 },
     68   { "micro",  0xB5, 0x00B5 },
     69   { "para",   0xB6, 0x00B6 },
     70   { "middot", 0xB7, 0x00B7 },
     71   { "cedil",  0xB8, 0x00B8 },
     72   { "sup1",   0xB9, 0x00B9 },
     73   { "ordm",   0xBA, 0x00BA },
     74   { "raquo",  0xBB, 0x00BB },
     75   { "frac14", 0xBC, 0x00BC },
     76   { "frac12", 0xBD, 0x00BD },
     77   { "frac34", 0xBE, 0x00BE },
     78   { "iquest", 0xBF, 0x00BF },
     79   { "Agrave", 0xC0, 0x00C0 },
     80   { "Aacute", 0xC1, 0x00C1 },
     81   { "Acirc",  0xC2, 0x00C2 },
     82   { "Atilde", 0xC3, 0x00C3 },
     83   { "Auml",   0xC4, 0x00C4 },
     84   { "Aring",  0xC5, 0x00C5 },
     85   { "AElig",  0xC6, 0x00C6 },
     86   { "Ccedil", 0xC7, 0x00C7 },
     87   { "Ccedil", 0xC7, 0x00C7 },
     88   { "Egrave", 0xC8, 0x00C8 },
     89   { "Eacute", 0xC9, 0x00C9 },
     90   { "Ecirc",  0xCA, 0x00CA },
     91   { "Euml",   0xCB, 0x00CB },
     92   { "Igrave", 0xCC, 0x00CC },
     93   { "Iacute", 0xCD, 0x00CD },
     94   { "Icirc",  0xCE, 0x00CE },
     95   { "Iuml",   0xCF, 0x00CF },
     96   { "ETH",    0xD0, 0x00D0 },
     97   { "Ntilde", 0xD1, 0x00D1 },
     98   { "Ograve", 0xD2, 0x00D2 },
     99   { "Oacute", 0xD3, 0x00D3 },
    100   { "Ocirc",  0xD4, 0x00D4 },
    101   { "Otilde", 0xD5, 0x00D5 },
    102   { "Ouml",   0xD6, 0x00D6 },
    103   { "times",  0xD7, 0x00D7 },
    104   { "Oslash", 0xD8, 0x00D8 },
    105   { "Ugrave", 0xD9, 0x00D9 },
    106   { "Uacute", 0xDA, 0x00DA },
    107   { "Ucirc",  0xDB, 0x00DB },
    108   { "Uuml",   0xDC, 0x00DC },
    109   { "Yacute", 0xDD, 0x00DD },
    110   { "THORN",  0xDE, 0x00DE },
    111   { "szlig",  0xDF, 0x00DF },
    112   { "agrave", 0xE0, 0x00E0 },
    113   { "aacute", 0xE1, 0x00E1 },
    114   { "acirc",  0xE2, 0x00E2 },
    115   { "atilde", 0xE3, 0x00E3 },
    116   { "auml",   0xE4, 0x00E4 },
    117   { "aring",  0xE5, 0x00E5 },
    118   { "aelig",  0xE6, 0x00E6 },
    119   { "ccedil", 0xE7, 0x00E7 },
    120   { "egrave", 0xE8, 0x00E8 },
    121   { "eacute", 0xE9, 0x00E9 },
    122   { "ecirc",  0xEA, 0x00EA },
    123   { "euml",   0xEB, 0x00EB },
    124   { "igrave", 0xEC, 0x00EC },
    125   { "iacute", 0xED, 0x00ED },
    126   { "icirc",  0xEE, 0x00EE },
    127   { "iuml",   0xEF, 0x00EF },
    128   { "eth",    0xF0, 0x00F0 },
    129   { "ntilde", 0xF1, 0x00F1 },
    130   { "ograve", 0xF2, 0x00F2 },
    131   { "oacute", 0xF3, 0x00F3 },
    132   { "ocirc",  0xF4, 0x00F4 },
    133   { "otilde", 0xF5, 0x00F5 },
    134   { "ouml",   0xF6, 0x00F6 },
    135   { "divide", 0xF7, 0x00F7 },
    136   { "oslash", 0xF8, 0x00F8 },
    137   { "ugrave", 0xF9, 0x00F9 },
    138   { "uacute", 0xFA, 0x00FA },
    139   { "ucirc",  0xFB, 0x00FB },
    140   { "uuml",   0xFC, 0x00FC },
    141   { "yacute", 0xFD, 0x00FD },
    142   { "thorn",  0xFE, 0x00FE },
    143   { "yuml",   0xFF, 0x00FF },
    144   { NULL, 0, 0 }
    145 };
    146 
    147 
    148 /* ISO 8859-15, also known as Latin 9, differs from Latin 1 in only a
    150    few positions.  http://www.cs.tut.fi/~jkorpela/latin9.html has a good
    151    explanation and listing, summarized here.  The names are abbreviated
    152    from the official Unicode names, to fit in a decent line length.
    153 
    154   code position
    155   dec	oct   hex   latin1 latin1 name	      latin9 latin9 name
    156 
    157   164  0244  0xA4   U+00A4 currency symbol    U+20AC euro sign
    158   166  0246  0xA6   U+00A6 broken bar	      U+0160 S with caron
    159   168  0250  0xA8   U+00A8 diaeresis	      U+0161 s with caron
    160   180  0264  0xB4   U+00B4 acute accent	      U+017D Z with caron
    161   184  0270  0xB8   U+00B8 cedilla	      U+017E z with caron
    162   188  0274  0xBC   U+00BC fraction 1/4	      U+0152 ligature OE
    163   189  0275  0xBD   U+00BD fraction 1/2	      U+0153 ligature oe
    164   190  0276  0xBE   U+00BE fraction 3/4	      U+0178 Y with diaeresis
    165 */
    166 
    167 static iso_map_type iso8859_15_map [] = {
    168   { "nbsp",   0xA0, 0x00A0 },
    169   { "iexcl",  0xA1, 0x00A1 },
    170   { "cent",   0xA2, 0x00A2 },
    171   { "pound",  0xA3, 0x00A3 },
    172   { "euro",   0xA4, 0x20AC },
    173   { "yen",    0xA5, 0x00A5 },
    174   { "Scaron", 0xA6, 0x0160 },
    175   { "sect",   0xA7, 0x00A7 },
    176   { "scaron", 0xA8, 0x0161 },
    177   { "copy",   0xA9, 0x00A9 },
    178   { "ordf",   0xAA, 0x00AA },
    179   { "laquo",  0xAB, 0x00AB },
    180   { "not",    0xAC, 0x00AC },
    181   { "shy",    0xAD, 0x00AD },
    182   { "reg",    0xAE, 0x00AE },
    183   { "hibar",  0xAF, 0x00AF },
    184   { "deg",    0xB0, 0x00B0 },
    185   { "plusmn", 0xB1, 0x00B1 },
    186   { "sup2",   0xB2, 0x00B2 },
    187   { "sup3",   0xB3, 0x00B3 },
    188   { "Zcaron", 0xB4, 0x017D },
    189   { "micro",  0xB5, 0x00B5 },
    190   { "para",   0xB6, 0x00B6 },
    191   { "middot", 0xB7, 0x00B7 },
    192   { "zcaron", 0xB8, 0x017E },
    193   { "sup1",   0xB9, 0x00B9 },
    194   { "ordm",   0xBA, 0x00BA },
    195   { "raquo",  0xBB, 0x00BB },
    196   { "OElig",  0xBC, 0x0152 },
    197   { "oelig",  0xBD, 0x0153 },
    198   { "Yuml",   0xBE, 0x0178 },
    199   { "iquest", 0xBF, 0x00BF },
    200   { "Agrave", 0xC0, 0x00C0 },
    201   { "Aacute", 0xC1, 0x00C1 },
    202   { "Acirc",  0xC2, 0x00C2 },
    203   { "Atilde", 0xC3, 0x00C3 },
    204   { "Auml",   0xC4, 0x00C4 },
    205   { "Aring",  0xC5, 0x00C5 },
    206   { "AElig",  0xC6, 0x00C6 },
    207   { "Ccedil", 0xC7, 0x00C7 },
    208   { "Ccedil", 0xC7, 0x00C7 },
    209   { "Egrave", 0xC8, 0x00C8 },
    210   { "Eacute", 0xC9, 0x00C9 },
    211   { "Ecirc",  0xCA, 0x00CA },
    212   { "Euml",   0xCB, 0x00CB },
    213   { "Igrave", 0xCC, 0x00CC },
    214   { "Iacute", 0xCD, 0x00CD },
    215   { "Icirc",  0xCE, 0x00CE },
    216   { "Iuml",   0xCF, 0x00CF },
    217   { "ETH",    0xD0, 0x00D0 },
    218   { "Ntilde", 0xD1, 0x00D1 },
    219   { "Ograve", 0xD2, 0x00D2 },
    220   { "Oacute", 0xD3, 0x00D3 },
    221   { "Ocirc",  0xD4, 0x00D4 },
    222   { "Otilde", 0xD5, 0x00D5 },
    223   { "Ouml",   0xD6, 0x00D6 },
    224   { "times",  0xD7, 0x00D7 },
    225   { "Oslash", 0xD8, 0x00D8 },
    226   { "Ugrave", 0xD9, 0x00D9 },
    227   { "Uacute", 0xDA, 0x00DA },
    228   { "Ucirc",  0xDB, 0x00DB },
    229   { "Uuml",   0xDC, 0x00DC },
    230   { "Yacute", 0xDD, 0x00DD },
    231   { "THORN",  0xDE, 0x00DE },
    232   { "szlig",  0xDF, 0x00DF },
    233   { "agrave", 0xE0, 0x00E0 },
    234   { "aacute", 0xE1, 0x00E1 },
    235   { "acirc",  0xE2, 0x00E2 },
    236   { "atilde", 0xE3, 0x00E3 },
    237   { "auml",   0xE4, 0x00E4 },
    238   { "aring",  0xE5, 0x00E5 },
    239   { "aelig",  0xE6, 0x00E6 },
    240   { "ccedil", 0xE7, 0x00E7 },
    241   { "egrave", 0xE8, 0x00E8 },
    242   { "eacute", 0xE9, 0x00E9 },
    243   { "ecirc",  0xEA, 0x00EA },
    244   { "euml",   0xEB, 0x00EB },
    245   { "igrave", 0xEC, 0x00EC },
    246   { "iacute", 0xED, 0x00ED },
    247   { "icirc",  0xEE, 0x00EE },
    248   { "iuml",   0xEF, 0x00EF },
    249   { "eth",    0xF0, 0x00F0 },
    250   { "ntilde", 0xF1, 0x00F1 },
    251   { "ograve", 0xF2, 0x00F2 },
    252   { "oacute", 0xF3, 0x00F3 },
    253   { "ocirc",  0xF4, 0x00F4 },
    254   { "otilde", 0xF5, 0x00F5 },
    255   { "ouml",   0xF6, 0x00F6 },
    256   { "divide", 0xF7, 0x00F7 },
    257   { "oslash", 0xF8, 0x00F8 },
    258   { "ugrave", 0xF9, 0x00F9 },
    259   { "uacute", 0xFA, 0x00FA },
    260   { "ucirc",  0xFB, 0x00FB },
    261   { "uuml",   0xFC, 0x00FC },
    262   { "yacute", 0xFD, 0x00FD },
    263   { "thorn",  0xFE, 0x00FE },
    264   { "yuml",   0xFF, 0x00FF },
    265   { NULL, 0, 0 }
    266 };
    267 
    268 
    269 
    270 /* Date: Mon, 31 Mar 2003 00:19:28 +0200
    272    From: Wojciech Polak <polak (at) gnu.org>
    273 ...
    274  * Primary Polish site for ogonki is http://www.agh.edu.pl/ogonki/,
    275    but it's only in Polish language (it has some interesting links).
    276 
    277  * A general site about ISO 8859-2 at http://nl.ijs.si/gnusl/cee/iso8859-2.html
    278 
    279  * ISO 8859-2 Character Set at http://nl.ijs.si/gnusl/cee/charset.html
    280    This site provides almost all information about iso-8859-2,
    281    including the character table!!! (must see!)
    282 
    283  * ISO 8859-2 and even HTML entities !!! (must see!)
    284    http://people.ssh.fi/mtr/genscript/88592.txt
    285 
    286  * (minor) http://www.agh.edu.pl/ogonki/plchars.html
    287    One more table, this time it includes even information about Polish
    288    characters in Unicode.
    289 */
    290 
    291 static iso_map_type iso8859_2_map [] = {
    292   { "nbsp",	0xA0, 0x00A0 }, /* NO-BREAK SPACE */
    293   { "",	0xA1, 0x0104 }, /* LATIN CAPITAL LETTER A WITH OGONEK */
    294   { "",	0xA2, 0x02D8 }, /* BREVE */
    295   { "",	0xA3, 0x0141 }, /* LATIN CAPITAL LETTER L WITH STROKE */
    296   { "curren",	0xA4, 0x00A4 }, /* CURRENCY SIGN */
    297   { "",	0xA5, 0x013D }, /* LATIN CAPITAL LETTER L WITH CARON */
    298   { "",	0xA6, 0x015A }, /* LATIN CAPITAL LETTER S WITH ACUTE */
    299   { "sect",	0xA7, 0x00A7 }, /* SECTION SIGN */
    300   { "uml",	0xA8, 0x00A8 }, /* DIAERESIS */
    301   { "",	0xA9, 0x0160 }, /* LATIN CAPITAL LETTER S WITH CARON */
    302   { "",	0xAA, 0x015E }, /* LATIN CAPITAL LETTER S WITH CEDILLA */
    303   { "",	0xAB, 0x0164 }, /* LATIN CAPITAL LETTER T WITH CARON */
    304   { "",	0xAC, 0x0179 }, /* LATIN CAPITAL LETTER Z WITH ACUTE */
    305   { "shy",	0xAD, 0x00AD }, /* SOFT HYPHEN */
    306   { "",	0xAE, 0x017D }, /* LATIN CAPITAL LETTER Z WITH CARON */
    307   { "",	0xAF, 0x017B }, /* LATIN CAPITAL LETTER Z WITH DOT ABOVE */
    308   { "deg",	0xB0, 0x00B0 }, /* DEGREE SIGN */
    309   { "",	0xB1, 0x0105 }, /* LATIN SMALL LETTER A WITH OGONEK */
    310   { "",	0xB2, 0x02DB }, /* OGONEK */
    311   { "",	0xB3, 0x0142 }, /* LATIN SMALL LETTER L WITH STROKE */
    312   { "acute",	0xB4, 0x00B4 }, /* ACUTE ACCENT */
    313   { "",	0xB5, 0x013E }, /* LATIN SMALL LETTER L WITH CARON */
    314   { "",	0xB6, 0x015B }, /* LATIN SMALL LETTER S WITH ACUTE */
    315   { "",	0xB7, 0x02C7 }, /* CARON (Mandarin Chinese third tone) */
    316   { "cedil",	0xB8, 0x00B8 }, /* CEDILLA */
    317   { "",	0xB9, 0x0161 }, /* LATIN SMALL LETTER S WITH CARON */
    318   { "",	0xBA, 0x015F }, /* LATIN SMALL LETTER S WITH CEDILLA */
    319   { "",	0xBB, 0x0165 }, /* LATIN SMALL LETTER T WITH CARON */
    320   { "",	0xBC, 0x017A }, /* LATIN SMALL LETTER Z WITH ACUTE */
    321   { "",	0xBD, 0x02DD }, /* DOUBLE ACUTE ACCENT */
    322   { "",	0xBE, 0x017E }, /* LATIN SMALL LETTER Z WITH CARON */
    323   { "",	0xBF, 0x017C }, /* LATIN SMALL LETTER Z WITH DOT ABOVE */
    324   { "",	0xC0, 0x0154 }, /* LATIN CAPITAL LETTER R WITH ACUTE */
    325   { "",	0xC1, 0x00C1 }, /* LATIN CAPITAL LETTER A WITH ACUTE */
    326   { "",	0xC2, 0x00C2 }, /* LATIN CAPITAL LETTER A WITH CIRCUMFLEX */
    327   { "",	0xC3, 0x0102 }, /* LATIN CAPITAL LETTER A WITH BREVE */
    328   { "",	0xC4, 0x00C4 }, /* LATIN CAPITAL LETTER A WITH DIAERESIS */
    329   { "",	0xC5, 0x0139 }, /* LATIN CAPITAL LETTER L WITH ACUTE */
    330   { "",	0xC6, 0x0106 }, /* LATIN CAPITAL LETTER C WITH ACUTE */
    331   { "",	0xC7, 0x00C7 }, /* LATIN CAPITAL LETTER C WITH CEDILLA */
    332   { "",	0xC8, 0x010C }, /* LATIN CAPITAL LETTER C WITH CARON */
    333   { "",	0xC9, 0x00C9 }, /* LATIN CAPITAL LETTER E WITH ACUTE */
    334   { "",	0xCA, 0x0118 }, /* LATIN CAPITAL LETTER E WITH OGONEK */
    335   { "",	0xCB, 0x00CB }, /* LATIN CAPITAL LETTER E WITH DIAERESIS */
    336   { "",	0xCC, 0x011A }, /* LATIN CAPITAL LETTER E WITH CARON */
    337   { "",	0xCD, 0x00CD }, /* LATIN CAPITAL LETTER I WITH ACUTE */
    338   { "",	0xCE, 0x00CE }, /* LATIN CAPITAL LETTER I WITH CIRCUMFLEX */
    339   { "",	0xCF, 0x010E }, /* LATIN CAPITAL LETTER D WITH CARON */
    340   { "",	0xD0, 0x0110 }, /* LATIN CAPITAL LETTER D WITH STROKE */
    341   { "",	0xD1, 0x0143 }, /* LATIN CAPITAL LETTER N WITH ACUTE */
    342   { "",	0xD2, 0x0147 }, /* LATIN CAPITAL LETTER N WITH CARON */
    343   { "",	0xD3, 0x00D3 }, /* LATIN CAPITAL LETTER O WITH ACUTE */
    344   { "",	0xD4, 0x00D4 }, /* LATIN CAPITAL LETTER O WITH CIRCUMFLEX */
    345   { "",	0xD5, 0x0150 }, /* LATIN CAPITAL LETTER O WITH DOUBLE ACUTE */
    346   { "",	0xD6, 0x00D6 }, /* LATIN CAPITAL LETTER O WITH DIAERESIS */
    347   { "times",	0xD7, 0x00D7 }, /* MULTIPLICATION SIGN */
    348   { "",	0xD8, 0x0158 }, /* LATIN CAPITAL LETTER R WITH CARON */
    349   { "",	0xD9, 0x016E }, /* LATIN CAPITAL LETTER U WITH RING ABOVE */
    350   { "",	0xDA, 0x00DA }, /* LATIN CAPITAL LETTER U WITH ACUTE */
    351   { "",	0xDB, 0x0170 }, /* LATIN CAPITAL LETTER U WITH DOUBLE ACUTE */
    352   { "",	0xDC, 0x00DC }, /* LATIN CAPITAL LETTER U WITH DIAERESIS */
    353   { "",	0xDD, 0x00DD }, /* LATIN CAPITAL LETTER Y WITH ACUTE */
    354   { "",	0xDE, 0x0162 }, /* LATIN CAPITAL LETTER T WITH CEDILLA */
    355   { "",	0xDF, 0x00DF }, /* LATIN SMALL LETTER SHARP S (German) */
    356   { "",	0xE0, 0x0155 }, /* LATIN SMALL LETTER R WITH ACUTE */
    357   { "",	0xE1, 0x00E1 }, /* LATIN SMALL LETTER A WITH ACUTE */
    358   { "",	0xE2, 0x00E2 }, /* LATIN SMALL LETTER A WITH CIRCUMFLEX */
    359   { "",	0xE3, 0x0103 }, /* LATIN SMALL LETTER A WITH BREVE */
    360   { "",	0xE4, 0x00E4 }, /* LATIN SMALL LETTER A WITH DIAERESIS */
    361   { "",	0xE5, 0x013A }, /* LATIN SMALL LETTER L WITH ACUTE */
    362   { "",	0xE6, 0x0107 }, /* LATIN SMALL LETTER C WITH ACUTE */
    363   { "",	0xE7, 0x00E7 }, /* LATIN SMALL LETTER C WITH CEDILLA */
    364   { "",	0xE8, 0x010D }, /* LATIN SMALL LETTER C WITH CARON */
    365   { "",	0xE9, 0x00E9 }, /* LATIN SMALL LETTER E WITH ACUTE */
    366   { "",	0xEA, 0x0119 }, /* LATIN SMALL LETTER E WITH OGONEK */
    367   { "",	0xEB, 0x00EB }, /* LATIN SMALL LETTER E WITH DIAERESIS */
    368   { "",	0xEC, 0x011B }, /* LATIN SMALL LETTER E WITH CARON */
    369   { "",	0xED, 0x00ED }, /* LATIN SMALL LETTER I WITH ACUTE */
    370   { "",	0xEE, 0x00EE }, /* LATIN SMALL LETTER I WITH CIRCUMFLEX */
    371   { "",	0xEF, 0x010F }, /* LATIN SMALL LETTER D WITH CARON */
    372   { "",	0xF0, 0x0111 }, /* LATIN SMALL LETTER D WITH STROKE */
    373   { "",	0xF1, 0x0144 }, /* LATIN SMALL LETTER N WITH ACUTE */
    374   { "",	0xF2, 0x0148 }, /* LATIN SMALL LETTER N WITH CARON */
    375   { "",	0xF3, 0x00F3 }, /* LATIN SMALL LETTER O WITH ACUTE */
    376   { "",	0xF4, 0x00F4 }, /* LATIN SMALL LETTER O WITH CIRCUMFLEX */
    377   { "",	0xF5, 0x0151 }, /* LATIN SMALL LETTER O WITH DOUBLE ACUTE */
    378   { "",	0xF6, 0x00F6 }, /* LATIN SMALL LETTER O WITH DIAERESIS */
    379   { "divide",	0xF7, 0x00F7 }, /* DIVISION SIGN */
    380   { "",	0xF8, 0x0159 }, /* LATIN SMALL LETTER R WITH CARON */
    381   { "",	0xF9, 0x016F }, /* LATIN SMALL LETTER U WITH RING ABOVE */
    382   { "",	0xFA, 0x00FA }, /* LATIN SMALL LETTER U WITH ACUTE */
    383   { "",	0xFB, 0x0171 }, /* LATIN SMALL LETTER U WITH DOUBLE ACUTE */
    384   { "",	0xFC, 0x00FC }, /* LATIN SMALL LETTER U WITH DIAERESIS */
    385   { "",	0xFD, 0x00FD }, /* LATIN SMALL LETTER Y WITH ACUTE */
    386   { "",	0xFE, 0x0163 }, /* LATIN SMALL LETTER T WITH CEDILLA */
    387   { "",	0xFF, 0x02D9 }, /* DOT ABOVE (Mandarin Chinese light tone) */
    388   { NULL, 0, 0 }
    389 };
    390 
    391 encoding_type encoding_table[] = {
    392   { no_encoding, "(no encoding)", NULL },
    393   { US_ASCII,    "US-ASCII",    us_ascii_map },
    394   { ISO_8859_1,  "iso-8859-1",  (iso_map_type *) iso8859_1_map },
    395   { ISO_8859_2,  "iso-8859-2",  (iso_map_type *) iso8859_2_map },
    396   { ISO_8859_3,  "iso-8859-3",  NULL },
    397   { ISO_8859_4,  "iso-8859-4",  NULL },
    398   { ISO_8859_5,  "iso-8859-5",  NULL },
    399   { ISO_8859_6,  "iso-8859-6",  NULL },
    400   { ISO_8859_7,  "iso-8859-7",  NULL },
    401   { ISO_8859_8,  "iso-8859-8",  NULL },
    402   { ISO_8859_9,  "iso-8859-9",  NULL },
    403   { ISO_8859_10, "iso-8859-10", NULL },
    404   { ISO_8859_11, "iso-8859-11", NULL },
    405   { ISO_8859_12, "iso-8859-12", NULL },
    406   { ISO_8859_13, "iso-8859-13", NULL },
    407   { ISO_8859_14, "iso-8859-14", NULL },
    408   { ISO_8859_15, "iso-8859-15", (iso_map_type *) iso8859_15_map },
    409   { last_encoding_code, NULL, NULL }
    410 };
    411 
    412 
    413 language_type language_table[] = {
    414   { aa, "aa", "Afar" },
    415   { ab, "ab", "Abkhazian" },
    416   { af, "af", "Afrikaans" },
    417   { am, "am", "Amharic" },
    418   { ar, "ar", "Arabic" },
    419   { as, "as", "Assamese" },
    420   { ay, "ay", "Aymara" },
    421   { az, "az", "Azerbaijani" },
    422   { ba, "ba", "Bashkir" },
    423   { be, "be", "Byelorussian" },
    424   { bg, "bg", "Bulgarian" },
    425   { bh, "bh", "Bihari" },
    426   { bi, "bi", "Bislama" },
    427   { bn, "bn", "Bengali; Bangla" },
    428   { bo, "bo", "Tibetan" },
    429   { br, "br", "Breton" },
    430   { ca, "ca", "Catalan" },
    431   { co, "co", "Corsican" },
    432   { cs, "cs", "Czech" },
    433   { cy, "cy", "Welsh" },
    434   { da, "da", "Danish" },
    435   { de, "de", "German" },
    436   { dz, "dz", "Bhutani" },
    437   { el, "el", "Greek" },
    438   { en, "en", "English" },
    439   { eo, "eo", "Esperanto" },
    440   { es, "es", "Spanish" },
    441   { et, "et", "Estonian" },
    442   { eu, "eu", "Basque" },
    443   { fa, "fa", "Persian" },
    444   { fi, "fi", "Finnish" },
    445   { fj, "fj", "Fiji" },
    446   { fo, "fo", "Faroese" },
    447   { fr, "fr", "French" },
    448   { fy, "fy", "Frisian" },
    449   { ga, "ga", "Irish" },
    450   { gd, "gd", "Scots Gaelic" },
    451   { gl, "gl", "Galician" },
    452   { gn, "gn", "Guarani" },
    453   { gu, "gu", "Gujarati" },
    454   { ha, "ha", "Hausa" },
    455   { he, "he", "Hebrew" } /* (formerly iw) */,
    456   { hi, "hi", "Hindi" },
    457   { hr, "hr", "Croatian" },
    458   { hu, "hu", "Hungarian" },
    459   { hy, "hy", "Armenian" },
    460   { ia, "ia", "Interlingua" },
    461   { id, "id", "Indonesian" } /* (formerly in) */,
    462   { ie, "ie", "Interlingue" },
    463   { ik, "ik", "Inupiak" },
    464   { is, "is", "Icelandic" },
    465   { it, "it", "Italian" },
    466   { iu, "iu", "Inuktitut" },
    467   { ja, "ja", "Japanese" },
    468   { jw, "jw", "Javanese" },
    469   { ka, "ka", "Georgian" },
    470   { kk, "kk", "Kazakh" },
    471   { kl, "kl", "Greenlandic" },
    472   { km, "km", "Cambodian" },
    473   { kn, "kn", "Kannada" },
    474   { ko, "ko", "Korean" },
    475   { ks, "ks", "Kashmiri" },
    476   { ku, "ku", "Kurdish" },
    477   { ky, "ky", "Kirghiz" },
    478   { la, "la", "Latin" },
    479   { ln, "ln", "Lingala" },
    480   { lo, "lo", "Laothian" },
    481   { lt, "lt", "Lithuanian" },
    482   { lv, "lv", "Latvian, Lettish" },
    483   { mg, "mg", "Malagasy" },
    484   { mi, "mi", "Maori" },
    485   { mk, "mk", "Macedonian" },
    486   { ml, "ml", "Malayalam" },
    487   { mn, "mn", "Mongolian" },
    488   { mo, "mo", "Moldavian" },
    489   { mr, "mr", "Marathi" },
    490   { ms, "ms", "Malay" },
    491   { mt, "mt", "Maltese" },
    492   { my, "my", "Burmese" },
    493   { na, "na", "Nauru" },
    494   { ne, "ne", "Nepali" },
    495   { nl, "nl", "Dutch" },
    496   { no, "no", "Norwegian" },
    497   { oc, "oc", "Occitan" },
    498   { om, "om", "(Afan) Oromo" },
    499   { or, "or", "Oriya" },
    500   { pa, "pa", "Punjabi" },
    501   { pl, "pl", "Polish" },
    502   { ps, "ps", "Pashto, Pushto" },
    503   { pt, "pt", "Portuguese" },
    504   { qu, "qu", "Quechua" },
    505   { rm, "rm", "Rhaeto-Romance" },
    506   { rn, "rn", "Kirundi" },
    507   { ro, "ro", "Romanian" },
    508   { ru, "ru", "Russian" },
    509   { rw, "rw", "Kinyarwanda" },
    510   { sa, "sa", "Sanskrit" },
    511   { sd, "sd", "Sindhi" },
    512   { sg, "sg", "Sangro" },
    513   { sh, "sh", "Serbo-Croatian" },
    514   { si, "si", "Sinhalese" },
    515   { sk, "sk", "Slovak" },
    516   { sl, "sl", "Slovenian" },
    517   { sm, "sm", "Samoan" },
    518   { sn, "sn", "Shona" },
    519   { so, "so", "Somali" },
    520   { sq, "sq", "Albanian" },
    521   { sr, "sr", "Serbian" },
    522   { ss, "ss", "Siswati" },
    523   { st, "st", "Sesotho" },
    524   { su, "su", "Sundanese" },
    525   { sv, "sv", "Swedish" },
    526   { sw, "sw", "Swahili" },
    527   { ta, "ta", "Tamil" },
    528   { te, "te", "Telugu" },
    529   { tg, "tg", "Tajik" },
    530   { th, "th", "Thai" },
    531   { ti, "ti", "Tigrinya" },
    532   { tk, "tk", "Turkmen" },
    533   { tl, "tl", "Tagalog" },
    534   { tn, "tn", "Setswana" },
    535   { to, "to", "Tonga" },
    536   { tr, "tr", "Turkish" },
    537   { ts, "ts", "Tsonga" },
    538   { tt, "tt", "Tatar" },
    539   { tw, "tw", "Twi" },
    540   { ug, "ug", "Uighur" },
    541   { uk, "uk", "Ukrainian" },
    542   { ur, "ur", "Urdu" },
    543   { uz, "uz", "Uzbek" },
    544   { vi, "vi", "Vietnamese" },
    545   { vo, "vo", "Volapuk" },
    546   { wo, "wo", "Wolof" },
    547   { xh, "xh", "Xhosa" },
    548   { yi, "yi", "Yiddish" } /* (formerly ji) */,
    549   { yo, "yo", "Yoruba" },
    550   { za, "za", "Zhuang" },
    551   { zh, "zh", "Chinese" },
    552   { zu, "zu", "Zulu" },
    553   { last_language_code, NULL, NULL }
    554 };
    555 
    556 /* @documentlanguage.  Maybe we'll do something useful with this in the
    558    future.  For now, we just recognize it.  */
    559 
    560 /* XML documents can make use of this data.  Unfortunately, it clashes with
    561    the structure currently used.  So instead of enclosing content into
    562    a language block, we just output an empty element.  Anyways, a stream based
    563    parser can make good use of it.  */
    564 void
    565 cm_documentlanguage (int arg, int arg2, int arg3)
    566 {
    567   language_code_type c;
    568   char *lang_arg;
    569 
    570   /* Read the line with the language code on it.  */
    571   get_rest_of_line (0, &lang_arg);
    572 
    573   /* Linear search is fine these days.  */
    574   for (c = aa; c != last_language_code; c++)
    575     {
    576       if (strcmp (lang_arg, language_table[c].abbrev) == 0)
    577         { /* Set current language code.  */
    578           language_code = c;
    579           break;
    580         }
    581     }
    582 
    583   /* If we didn't find this code, complain.  */
    584   if (c == last_language_code)
    585     warning (_("%s is not a valid ISO 639 language code"), lang_arg);
    586 
    587   if (xml && !docbook)
    588     {
    589       xml_insert_element_with_attribute (DOCUMENTLANGUAGE, START, "xml:lang=\"%s\"", lang_arg);
    590       xml_insert_element (DOCUMENTLANGUAGE, END);
    591     }
    592 
    593   free (lang_arg);
    594 }
    595 
    596 
    597 
    598 /* Search through the encoding table for the given character, returning
    600    its equivalent.  */
    601 
    602 static int
    603 cm_search_iso_map (char *html)
    604 {
    605   int i;
    606   iso_map_type *iso = encoding_table[document_encoding_code].isotab;
    607 
    608   /* If no conversion table for this encoding, quit.  */
    609   if (!iso)
    610     return -1;
    611 
    612   for (i = 0; iso[i].html; i++)
    613     {
    614       if (strcmp (html, iso[i].html) == 0)
    615         return i;
    616     }
    617 
    618   return -1;
    619 }
    620 
    621 
    622 /* @documentencoding.  Set the translation table.  */
    623 
    624 void
    625 cm_documentencoding (int arg, int arg2, int arg3)
    626 {
    627   if (!handling_delayed_writes)
    628     {
    629       encoding_code_type enc;
    630       char *enc_arg;
    631 
    632       /* This is ugly and probably needs to apply to other commands'
    633          argument parsing as well.  When we're doing @documentencoding,
    634          we're generally in the frontmatter of the document, and so the.
    635          expansion in html/xml/docbook would generally be the empty string.
    636          (Because those modes wait until the first normal text of the
    637          document to start outputting.)  The result would thus be a warning
    638          "unrecognized encoding name `'".  Sigh.  */
    639       int save_html = html;
    640       int save_xml = xml;
    641 
    642       html = 0;
    643       xml = 0;
    644       get_rest_of_line (1, &enc_arg);
    645       html = save_html;
    646       xml = save_xml;
    647 
    648       /* See if we have this encoding.  */
    649       for (enc = no_encoding+1; enc != last_encoding_code; enc++)
    650         {
    651           if (strcasecmp (enc_arg, encoding_table[enc].encname) == 0)
    652             {
    653               document_encoding_code = enc;
    654               break;
    655             }
    656         }
    657 
    658       /* If we didn't find this code, complain.  */
    659       if (enc == last_encoding_code)
    660         {
    661           warning (_("unrecognized encoding name `%s'"), enc_arg);
    662           /* Let the previous one go.  */
    663           if (unknown_encoding && *unknown_encoding)
    664             free (unknown_encoding);
    665           unknown_encoding = xstrdup (enc_arg);
    666         }
    667 
    668       else if (encoding_table[document_encoding_code].isotab == NULL)
    669         warning (_("sorry, encoding `%s' not supported"), enc_arg);
    670 
    671       free (enc_arg);
    672     }
    673   else if (xml)
    674     {
    675       char *encoding = current_document_encoding ();
    676 
    677       if (encoding && *encoding)
    678         {
    679           insert_string (" encoding=\"");
    680           insert_string (encoding);
    681           insert_string ("\"");
    682         }
    683 
    684       free (encoding);
    685     }
    686 }
    687 
    688 char *
    689 current_document_encoding (void)
    690 {
    691   if (document_encoding_code != no_encoding)
    692     return xstrdup (encoding_table[document_encoding_code].encname);
    693   else if (unknown_encoding && *unknown_encoding)
    694     return xstrdup (unknown_encoding);
    695   else
    696     return xstrdup ("");
    697 }
    698 
    699 
    700 /* If html or xml output, add &HTML_STR; to the output.  If not html and
    701    the user requested encoded output, add the real 8-bit character
    702    corresponding to HTML_STR from the translation tables.  Otherwise,
    703    add INFO_STR.  */
    704 
    705 static void
    706 add_encoded_char (char *html_str, char *info_str)
    707 {
    708   if (html)
    709     add_word_args ("&%s;", html_str);
    710   else if (xml)
    711     xml_insert_entity (html_str);
    712   else if (enable_encoding)
    713     {
    714       /* Look for HTML_STR in the current translation table.  */
    715       int rc = cm_search_iso_map (html_str);
    716       if (rc >= 0)
    717         /* We found it, add the real character.  */
    718         add_char (encoding_table[document_encoding_code].isotab[rc].bytecode);
    719       else
    720         { /* We didn't find it, that seems bad.  */
    721           warning (_("invalid encoded character `%s'"), html_str);
    722           add_word (info_str);
    723         }
    724     }
    725   else
    726     add_word (info_str);
    727 }
    728 
    729 
    730 
    731 /* Output an accent for HTML or XML. */
    733 
    734 static void
    735 cm_accent_generic_html (int arg, int start, int end, char *html_supported,
    736     int single, int html_solo_standalone, char *html_solo)
    737 {
    738   static int valid_html_accent; /* yikes */
    739 
    740   if (arg == START)
    741     { /* If HTML has good support for this character, use it.  */
    742       if (strchr (html_supported, curchar ()))
    743         { /* Yes; start with an ampersand.  The character itself
    744              will be added later in read_command (makeinfo.c).  */
    745 	  int saved_escape_html = escape_html;
    746 	  escape_html = 0;
    747           valid_html_accent = 1;
    748           add_char ('&');
    749 	  escape_html = saved_escape_html;
    750         }
    751       else
    752         { /* @dotless{i} is not listed in html_supported but HTML entities
    753 	     starting with `i' can be used, such as &icirc;.  */
    754 	  int save_input_text_offset = input_text_offset;
    755 	  char *accent_contents;
    756 
    757 	  get_until_in_braces ("\n", &accent_contents);
    758 	  canon_white (accent_contents);
    759 
    760 	  if (strstr (accent_contents, "@dotless{i"))
    761 	    {
    762 	      add_word_args ("&%c", accent_contents[9]);
    763 	      valid_html_accent = 1;
    764 	    }
    765 	  else
    766 	    {
    767 	      /* Search for @dotless{} wasn't successful, so rewind.  */
    768 	      input_text_offset = save_input_text_offset;
    769 	      valid_html_accent = 0;
    770 	      if (html_solo_standalone)
    771 		{ /* No special HTML support, so produce standalone char.  */
    772 		  if (xml)
    773 		    xml_insert_entity (html_solo);
    774 		  else
    775 		    add_word_args ("&%s;", html_solo);
    776 		}
    777 	      else
    778 		/* If the html_solo does not exist as standalone character
    779 		   (namely &circ; &grave; &tilde;), then we use
    780 		   the single character version instead.  */
    781 		add_char (single);
    782 	    }
    783 
    784 	  free (accent_contents);
    785         }
    786     }
    787   else if (arg == END)
    788     { /* Only if we saw a valid_html_accent can we use the full
    789          HTML accent (umlaut, grave ...).  */
    790       if (valid_html_accent)
    791         {
    792           add_word (html_solo);
    793           add_char (';');
    794         }
    795     }
    796 }
    797 
    798 
    799 static void
    800 cm_accent_generic_no_headers (int arg, int start, int end, int single,
    801     char *html_solo)
    802 {
    803   if (arg == END)
    804     {
    805       if (no_encoding)
    806         add_char (single);
    807       else
    808         {
    809           int rc;
    810           char *buffer = xmalloc (1 + strlen (html_solo) + 1);
    811           buffer[0] = output_paragraph[end - 1];
    812           buffer[1] = 0;
    813           strcat (buffer, html_solo);
    814 
    815           rc = cm_search_iso_map (buffer);
    816           if (rc >= 0)
    817             /* A little bit tricky ;-)
    818                Here we replace the character which has
    819                been inserted in read_command with
    820                the value we have found in converting table
    821                Does there exist a better way to do this?  kama. */
    822             output_paragraph[end - 1]
    823               = encoding_table[document_encoding_code].isotab[rc].bytecode;
    824           else
    825             { /* If we didn't find a translation for this character,
    826                  put the single instead. E.g., &Xuml; does not exist so X&uml;
    827                  should be produced. */
    828               /* When the below warning is issued, an author has nothing
    829                  wrong in their document, let alone anything ``fixable''
    830                  on their side.  So it is commented out for now.  */
    831               /* warning (_("%s is an invalid ISO code, using %c"),
    832                        buffer, single); */
    833               add_char (single);
    834             }
    835 
    836           free (buffer);
    837         }
    838     }
    839 }
    840 
    841 
    842 
    843 /* Accent commands that take explicit arguments and don't have any
    845    special HTML support.  */
    846 
    847 void
    848 cm_accent (int arg, int arg2, int arg3)
    849 {
    850   int old_escape_html = escape_html;
    851   escape_html = 0;
    852   if (arg == START)
    853     {
    854       /* Must come first to avoid ambiguity with overdot.  */
    855       if (strcmp (command, "udotaccent") == 0)      /* underdot */
    856         add_char ('.');
    857     }
    858   else if (arg == END)
    859     {
    860       if (strcmp (command, "=") == 0)               /* macron */
    861         add_word ((html || xml) ? "&macr;" : "=");
    862       else if (strcmp (command, "H") == 0)          /* Hungarian umlaut */
    863         add_word ("''");
    864       else if (strcmp (command, "dotaccent") == 0)  /* overdot */
    865         add_meta_char ('.');
    866       else if (strcmp (command, "ringaccent") == 0) /* ring */
    867         add_char ('*');
    868       else if (strcmp (command, "tieaccent") == 0)  /* long tie */
    869         add_char ('[');
    870       else if (strcmp (command, "u") == 0)          /* breve */
    871         add_char ('(');
    872       else if (strcmp (command, "ubaraccent") == 0) /* underbar */
    873         add_char ('_');
    874       else if (strcmp (command, "v") == 0)          /* hacek/check */
    875         add_word ((html || xml) ? "&lt;" : "<");
    876     }
    877   escape_html = old_escape_html;
    878 }
    879 
    880 /* Common routine for the accent characters that have support in HTML.
    881    If the character being accented is in the HTML_SUPPORTED set, then
    882    produce &CHTML_SOLO;, for example, &Auml; for an A-umlaut.  If not in
    883    HTML_SUPPORTED, just produce &HTML_SOLO;X for the best we can do with
    884    at an X-umlaut.  If not producing HTML, just use SINGLE, a
    885    character such as " which is the best plain text representation we
    886    can manage.  If HTML_SOLO_STANDALONE is nonzero the given HTML_SOLO
    887    exists as valid standalone character in HTML, e.g., &uml;.  */
    888 
    889 static void
    890 cm_accent_generic (int arg, int start, int end, char *html_supported,
    891     int single, int html_solo_standalone, char *html_solo)
    892 {
    893   /* Accentuating space characters makes no sense, so issue a warning.  */
    894   if (arg == START && isspace (input_text[input_text_offset]))
    895     warning ("Accent command `@%s' must not be followed by whitespace",
    896         command);
    897 
    898   if (html || xml)
    899     cm_accent_generic_html (arg, start, end, html_supported,
    900                             single, html_solo_standalone, html_solo);
    901   else if (no_headers)
    902     cm_accent_generic_no_headers (arg, start, end, single, html_solo);
    903   else if (arg == END)
    904     {
    905       if (enable_encoding)
    906         /* use 8-bit if available */
    907         cm_accent_generic_no_headers (arg, start, end, single, html_solo);
    908       else
    909         /* use regular character */
    910         add_char (single);
    911     }
    912 }
    913 
    914 void
    915 cm_accent_umlaut (int arg, int start, int end)
    916 {
    917   cm_accent_generic (arg, start, end, "aouAOUEeIiy", '"', 1, "uml");
    918 }
    919 
    920 void
    921 cm_accent_acute (int arg, int start, int end)
    922 {
    923   cm_accent_generic (arg, start, end, "AEIOUYaeiouy", '\'', 1, "acute");
    924 }
    925 
    926 void
    927 cm_accent_cedilla (int arg, int start, int end)
    928 {
    929   cm_accent_generic (arg, start, end, "Cc", ',', 1, "cedil");
    930 }
    931 
    932 void
    933 cm_accent_hat (int arg, int start, int end)
    934 {
    935   cm_accent_generic (arg, start, end, "AEIOUaeiou", '^', 0, "circ");
    936 }
    937 
    938 void
    939 cm_accent_grave (int arg, int start, int end)
    940 {
    941   cm_accent_generic (arg, start, end, "AEIOUaeiou", '`', 0, "grave");
    942 }
    943 
    944 void
    945 cm_accent_tilde (int arg, int start, int end)
    946 {
    947   cm_accent_generic (arg, start, end, "ANOano", '~', 0, "tilde");
    948 }
    949 
    950 
    951 
    952 /* Non-English letters/characters that don't insert themselves.  */
    954 void
    955 cm_special_char (int arg, int arg2, int arg3)
    956 {
    957   int old_escape_html = escape_html;
    958   escape_html = 0;
    959 
    960   if (arg == START)
    961     {
    962       if ((*command == 'L' || *command == 'l'
    963            || *command == 'O' || *command == 'o')
    964           && command[1] == 0)
    965         { /* Lslash lslash Oslash oslash.
    966              Lslash and lslash aren't supported in HTML.  */
    967           if (command[0] == 'O')
    968             add_encoded_char ("Oslash", "/O");
    969           else if (command[0] == 'o')
    970             add_encoded_char ("oslash", "/o");
    971           else
    972             add_word_args ("/%c", command[0]);
    973         }
    974       else if (strcmp (command, "exclamdown") == 0)
    975         add_encoded_char ("iexcl", "!");
    976       else if (strcmp (command, "questiondown") == 0)
    977         add_encoded_char ("iquest", "?");
    978       else if (strcmp (command, "euro") == 0)
    979         /* http://www.cs.tut.fi/~jkorpela/html/euro.html suggests that
    980            &euro; degrades best in old browsers.  */
    981         add_encoded_char ("euro", "Euro ");
    982       else if (strcmp (command, "pounds") == 0)
    983         add_encoded_char ("pound" , "#");
    984       else if (strcmp (command, "ordf") == 0)
    985         add_encoded_char ("ordf" , "a");
    986       else if (strcmp (command, "ordm") == 0)
    987         add_encoded_char ("ordm" , "o");
    988       else if (strcmp (command, "AE") == 0)
    989         add_encoded_char ("AElig", command);
    990       else if (strcmp (command, "ae") == 0)
    991         add_encoded_char ("aelig",  command);
    992       else if (strcmp (command, "OE") == 0)
    993         add_encoded_char ("OElig", command);
    994       else if (strcmp (command, "oe") == 0)
    995         add_encoded_char ("oelig", command);
    996       else if (strcmp (command, "AA") == 0)
    997         add_encoded_char ("Aring", command);
    998       else if (strcmp (command, "aa") == 0)
    999         add_encoded_char ("aring", command);
   1000       else if (strcmp (command, "ss") == 0)
   1001         add_encoded_char ("szlig", command);
   1002       else
   1003         line_error ("cm_special_char internal error: command=@%s", command);
   1004     }
   1005   escape_html = old_escape_html;
   1006 }
   1007 
   1008 /* Dotless i or j.  */
   1009 void
   1010 cm_dotless (int arg, int start, int end)
   1011 {
   1012   if (arg == END)
   1013     {
   1014       xml_no_para --;
   1015       if (output_paragraph[start] != 'i' && output_paragraph[start] != 'j')
   1016         /* This error message isn't perfect if the argument is multiple
   1017            characters, but it doesn't seem worth getting right.  */
   1018         line_error (_("%c%s expects `i' or `j' as argument, not `%c'"),
   1019                     COMMAND_PREFIX, command, output_paragraph[start]);
   1020 
   1021       else if (end - start != 1)
   1022         line_error (_("%c%s expects a single character `i' or `j' as argument"),
   1023                     COMMAND_PREFIX, command);
   1024 
   1025       /* We've already inserted the `i' or `j', so nothing to do.  */
   1026     }
   1027   else
   1028     xml_no_para ++;
   1029 }
   1030