User-visible changes are:
.* Incompatible changes
. + A double dot `..' should now be used instead of a colon `:'.
. + Option --force (-f) is needed to pursue recoding despite errors.
. + There is no more quoting for special characters within charsets names.
. + Auto check (`-a') and popen (`-o') options have been withdrawn.
. + Some charsets and aliases were deleted, see `Charsets & aliases' below.
.* Extended features
. + Program messages are available in localised form for many languages.
. + Long character names are available in French, if LANGUAGE is set to `fr'.
. + A new request syntax allows for recode chaining, and for surfaces.
. + Option --header-file (-h) accepts a language parameter, and Perl is new.
. + Full charset listings now show the UCS-2 value for characters.
. + Option --known=PAIRS (-k) also accepts octal and hexadecimal numbers.
. + Option --list (-l) better sorts charsets and aliases, also fully written.
. + Charset `RFC1345' implements mnemonic+ascii+38, and is now reversible.
. + HTML is not limited anymore to Latin-1, HTML 4.0 entities are supported.
.* New features
. + Euro support.
. + Updated RFC 1345 set of tables, from Keld Simonsen.
. + Some African charsets and transliterated forms.
. + Conversions for ISO 10646 and Unicode.
. + Combining or explosion of UCS-2 diacriticized characters and ligatures.
. + Implementation of surfaces, see `Surfaces & aliases' below.
. + Mixed mode for recoding only comments and strings in C sources or PO files.
. + A stand-alone recoding library gets installed, often as a shared library.
. + Option --find-subsets (-T) lists charsets which are subsets of another.
. + The library may generate testing data, and study character frequencies.
.* Charsets & aliases
. + New ISO 10646 and Unicode charsets
. - combined-UCS-2: pseudo-charset.
. - count-characters: pseudo-charset.
. - dump-with-names: pseudo-charset.
. - ISO-10646-UCS-2: aliases are UNICODE-1-1, BMP, rune and u2.
. - ISO-10646-UCS-4: aliases are 10646, ISO-10646, UCS-4 and u4.
. - UNICODE-1-1-UTF-7: aliases are TF-7 and u7.
. - UTF-8: aliases are UTF-2, UTF-FSS, FSS_UTF, TF-8 and u8.
. - UTF-16: aliases are Unicode, TF-16 and u6.
. + RFC 1345.bis matters
. - Deleted charsets
dk-us, us-dk (because of &duplicate which `recode' does not handle yet).
. - New charsets
baltic (alias is iso-ir-179); CP1250 (1250, ms-ee, windows-1250);
CP1251 (1251, ms-cyrl, windows-1251); CP1252 (1252, ms-ansi, windows-1252);
CP1253 (1253, ms-greek, windows-1253);
CP1254 (1254, ms-turk, windows-1254); CP1255 (1255, ms-hebr, windows-1255);
CP1256 (1256, ms-arab, windows-1256);
CP1257 (1257, WinBaltRim, windows-1257);
CWI (CWI-2, cp-hu); EBCDIC-IS-FRISS (friss);
GOST_19768-87 with aliases of previous GOST_19768-74;
IBM256 (256, CP256, EBCDIC-INT1); IBM875 (875, CP875, EBCDIC-Greek);
IBM1004 (1004, CP1004, os2latin1); IBM1047 (1047, CP1047);
ISO-8859-13 (ISO_8859-13:1998, iso-baltic, iso-ir-179a, l7, latin7);
ISO-8859-14 (ISO_8859-14:1998, iso-celtic, iso-ir-199, l8, latin8);
ISO-8859-15 (ISO_8859-15:1998, iso-ir-203, l9, latin9);
KOI-7; KOI-8 (GOST_19768-74); KOI8-R; KOI8-RU; KOI8-U;
macintosh_ce (macce); mac-is;
NeXTSTEP (next) yet previous `recode' had it outside RFC 1345.
. - Alias promoted to charset (with previous charset becoming alias)
ISO-646.basic (with ISO-646.basic:1983); ISO-646.irv (ISO-646.irv:1983);
ISO_5427-ext (ISO_5427:1981); ISO_5428 (ISO_5428:1980);
ISO-8859-1 (ISO_8859-1:1987); ISO-8859-2 (ISO_8859-2:1987);
ISO-8859-3 (ISO_8859-3:1988); ISO-8859-4 (ISO_8859-4:1988);
ISO-8859-5 (ISO_8859-5:1988); ISO-8859-6 (ISO_8859-6:1987);
ISO-8859-7 (ISO_8859-7:1987); ISO-8859-8 (ISO_8859-8:1988);
ISO-8859-9 (ISO_8859-9:1989); ISO-8859-10 (latin6);
NC_NC00-10 (NC_NC00-10:81); sami (latin-lap).
. - New aliases
037 (for charset IBM037); 038 (IBM038); 273 (IBM273); 274 (IBM274);
275 (IBM275); 278 (IBM278); 280 (IBM280); 281 (IBM281); 284 (IBM284);
285 (IBM285); 290 (IBM290); 297 (IBM297); 367 (ANSI_X3.4-1968);
420 (IBM420); 423 (IBM423); 424 (IBM424); 500, 500V1 (IBM500);
819 (ISO-8859-1); 864 (IBM864); 868 (IBM868); 870 (IBM870);
871 (IBM871); 880 (IBM880); 891 (IBM891); 903 (IBM903); 905 (IBM905);
912, CP912, IBM912 (ISO-8859-2); 918 (IBM918); 1026 (IBM1026);
ECMA-113, ECMA-113:1986 (ECMA-Cyrillic); GOST_19768-74 (KOI8);
ISO_8859-N (ISO-8859-N) for N = 1 through 10 and 13 through 15;
ISO_8859-10:1993 (ISO-8869-10); iso-ir-170 (INVARIANT);
KOI8_L2 (CSN_369103); pclatin2, pcl2 (IBM852); SS636127 (SEN_850200_B).
. + New African charsets
. - AFRL1-101-BPI_OCIL: aliases are t-francais and t-fra.
. - AFRFUL-102-BPI_OCIL: aliases are bambara, bra, ewondo and fulfulde.
. - AFRFUL-103-BPI_OCIL: aliases are t-bambara, t-bra, t-ewondo and t-fulfulde.
. - AFRLIN-104-BPI_OCIL: aliases are lingala, lin, sango and wolof.
. - AFRLIN-105-BPI_OCIL: aliases are t-lingala, t-lin, t-sango and t-wolof.
. + Extra miscellaneous charsets
. - KEYBCS2, Kamenicky.
. - CORK, T1.
. - KOI-8_CS2.
. + New HTML pseudo-charsets
. - HTML_1.1: alias is h1.
. - HTML_2.0: aliases are RFC 1866, 1866 and h2.
. - HTML-i18n: alias is RFC 2070.
. - HTML_3.2: reimplemented; alias is h3.
. - HTML_4.0: aliases are h4, HTML and h.
. - Deleted aliases: HTF, 8859, ISO 8859, Entities, SGML, WWW, w3.
.* Surfaces & aliases
. + New MIME encoding surfaces
. - Base64: aliases are 64 and b64.
. - Quoted-Printable: aliases are qp and Quote-Printable.
. + New permutation surfaces
. - 21-Permutation: alias is swabytes.
. - 4321-Permutation.
. + New end of line surfaces
. - CR.
. - CR-LF: alias is cl.
. + New (fully reversible) dump surfaces
. - Decimal-1: aliases are d and d1.
. - Decimal-2: alias is d2.
. - Decimal-4: alias is d4.
. - Hexadecimal-1: aliases are x and x1.
. - Hexadecimal-2: alias is x2.
. - Hexadecimal-4: alias is x4.
. - Octal-1: aliases are o and o1.
. - Octal-2: alias is o2.
. - Octal-4: alias is o4.
. + New miscellaneous surfaces.
. - data, test7, test8, test15, test16.
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