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+/* lang.h -- declarations for language codes etc.
+   $Id: lang.h,v 1.14 2007/11/21 23:02:22 karl Exp $
+
+   Copyright (C) 1999, 2001, 2002, 2003, 2006, 2007
+   Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   Originally written by Karl Heinz Marbaise <kama@hippo.fido.de>.  */
+
+#ifndef LANG_H
+#define LANG_H
+
+/* The language code which can be changed through @documentlanguage
+   These code are the ISO-639 two letter codes.  */
+
+#undef hz /* AIX 4.3.3 */
+typedef enum
+{ 
+  aa, ab, ae, af, ak, am, an, ar, as, av, ay, az, ba, be, bg, bh, bi,
+  bm, bn, bo, br, bs, ca, ce, ch, co, cr, cs, cu, cv, cy, da, de, dv,
+  dz, ee, el, en, eo, es, et, eu, fa, ff, fi, fj, fo, fr, fy, ga, gd,
+  gl, gn, gu, gv, ha, he, hi, ho, hr, ht, hu, hy, hz, ia, id, ie, ig,
+  ii, ik, io, is, it, iu, ja, jv, ka, kg, ki, kj, kk, kl, km, kn, ko,
+  kr, ks, ku, kv, kw, ky, la, lb, lg, li, ln, lo, lt, lu, lv, mg, mh,
+  mi, mk, ml, mn, mo, mr, ms, mt, my, na, nb, nd, ne, ng, nl, nn, no,
+  nr, nv, ny, oc, oj, om, or, os, pa, pi, pl, ps, pt, qu, rm, rn, ro,
+  ru, rw, sa, sc, sd, se, sg, si, sk, sl, sm, sn, so, sq, sr, ss, st,
+  su, sv, sw, ta, te, tg, th, ti, tk, tl, tn, to, tr, ts, tt, tw, ty,
+  ug, uk, ur, uz, ve, vi, vo, wa, wo, xh, yi, yo, za, zh, zu,
+  last_language_code
+} language_code_type;
+
+/* The current language code.  */
+extern language_code_type language_code;
+
+
+/* Information for each language.  */
+typedef struct
+{
+  language_code_type lc; /* language code as enum type */
+  char *abbrev;          /* two letter language code */
+  char *desc;            /* full name for language code */
+} language_type;
+
+extern language_type language_table[];
+
+
+
+/* The document encoding. This is useful to produce true 8-bit
+   characters according to the @documentencoding.  */
+
+typedef enum {
+  no_encoding,
+  US_ASCII,
+  ISO_8859_1,
+  ISO_8859_2,
+  ISO_8859_3,    /* this and none of the rest are supported. */
+  ISO_8859_4,
+  ISO_8859_5,
+  ISO_8859_6,
+  ISO_8859_7,
+  ISO_8859_8,
+  ISO_8859_9,
+  ISO_8859_10,
+  ISO_8859_11,
+  ISO_8859_12,
+  ISO_8859_13,
+  ISO_8859_14,
+  ISO_8859_15,
+  KOI8_R,
+  KOI8_U,
+  UTF_8,
+  last_encoding_code
+} encoding_code_type;
+
+/* The current document encoding, or null if not set.  */
+extern encoding_code_type document_encoding_code;
+
+/* If an encoding is not supported, just keep it as a string.  */
+extern char *unknown_encoding;
+
+/* Maps an HTML abbreviation to ISO and Unicode codes for a given code.  */
+
+typedef unsigned short int unicode_t; /* should be 16 bits */
+typedef unsigned char byte_t;
+
+typedef struct
+{
+  char *html;        /* HTML equivalent like umlaut auml => &auml; */
+  byte_t bytecode;   /* 8-Bit Code (ISO 8859-1,...) */
+  unicode_t unicode; /* Unicode in U+ convention */
+  char *translit;    /* 7-bit transliteration */
+} iso_map_type;
+
+/* Information about the document encoding. */
+typedef struct
+{
+  encoding_code_type ec; /* document encoding type (see above enum) */
+  char *encname;         /* encoding name like "iso-8859-1", valid in
+                            HTML and Emacs */
+  iso_map_type *isotab;  /* address of ISO translation table */
+} encoding_type;
+
+/* Table with all the encoding codes that we recognize.  */
+extern encoding_type encoding_table[];
+
+
+/* The commands.  */
+extern void cm_documentlanguage (void),
+     cm_documentencoding (void);
+
+/* Accents, other non-English characters.  */
+void cm_accent (int arg), cm_special_char (int arg),
+     cm_dotless (int arg, int start, int end);
+
+extern void cm_accent_umlaut (int arg, int start, int end),
+     cm_accent_acute (int arg, int start, int end),
+     cm_accent_cedilla (int arg, int start, int end),
+     cm_accent_hat (int arg, int start, int end),
+     cm_accent_grave (int arg, int start, int end),
+     cm_accent_tilde (int arg, int start, int end);
+
+extern char *current_document_encoding (void);
+
+extern const char *lang_transliterate_char (byte_t ch);
+
+extern char *document_language;
+
+#endif /* not LANG_H */