Mercurial > hg > xemacs-beta
changeset 3393:96ec8f16af45
[xemacs-hg @ 2006-05-11 08:57:59 by stephent]
Improve detection of ISO-8-1 coding systems. <874pzx2bn2.fsf@tleepslib.sk.tsukuba.ac.jp>
| author | stephent |
|---|---|
| date | Thu, 11 May 2006 08:58:01 +0000 |
| parents | 824c3c18a129 |
| children | d8309294c81c |
| files | src/ChangeLog src/mule-coding.c |
| diffstat | 2 files changed, 19 insertions(+), 1 deletions(-) [+] |
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--- a/src/ChangeLog Wed May 10 21:51:33 2006 +0000 +++ b/src/ChangeLog Thu May 11 08:58:01 2006 +0000 @@ -1,3 +1,8 @@ +2006-02-27 Joachim Schrod <jschrod@acm.org> + + * mule-coding.c (iso2022_detect): Handle Latin-1 encoded files + that have several high-byte chars in a row. + 2006-05-08 Jerry James <james@xemacs.org> * number.c (Fcanonicalize_number): Use EMACS_INT instead of int,
--- a/src/mule-coding.c Wed May 10 21:51:33 2006 +0000 +++ b/src/mule-coding.c Thu May 11 08:58:01 2006 +0000 @@ -2927,7 +2927,20 @@ } else if (data->odd_high_byte_groups > 0 && data->even_high_byte_groups > 0) - SET_DET_RESULTS (st, iso2022, DET_SOMEWHAT_UNLIKELY); + { + /* Well, this could be a Latin-1 text, with most high-byte + characters single, but sometimes two are together, though + this happens not as often. This is common for Western + European languages like German, French, Danish, Swedish, etc. + Then we would either have a rather small file and + even_high_byte_groups would be low. + Or we would have a larger file and the ratio of odd to even + groups would be very high. */ + SET_DET_RESULTS (st, iso2022, DET_SOMEWHAT_UNLIKELY); + if (data->even_high_byte_groups <= 3 || + data->odd_high_byte_groups >= 10 * data->even_high_byte_groups) + DET_RESULT (st, iso_8_1) = DET_SOMEWHAT_LIKELY; + } else SET_DET_RESULTS (st, iso2022, DET_AS_LIKELY_AS_UNLIKELY); }