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author | Kenichi Handa <handa@gnu.org> | 2013-04-25 00:09:49 +0900 |
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committer | Kenichi Handa <handa@gnu.org> | 2013-04-25 00:09:49 +0900 |
commit | ec5098562a018551a4ec9652fa7658304b1bbe59 (patch) | |
tree | 4979bccd23972c63dd39521863649d64996102b2 /src/coding.c | |
parent | 1ffefcf908c9452b752a35306d29eca48c723149 (diff) | |
download | emacs-ec5098562a018551a4ec9652fa7658304b1bbe59.tar.gz |
coding.c (decode_coding_iso_2022): When an invalid escape sequence is encountered, reset the invocation and designation status to the safest one.
Diffstat (limited to 'src/coding.c')
-rw-r--r-- | src/coding.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/coding.c b/src/coding.c index f9799035b3c..b9fb92c481b 100644 --- a/src/coding.c +++ b/src/coding.c @@ -3887,6 +3887,14 @@ decode_coding_iso_2022 (struct coding_system *coding) *charbuf++ = c < 0 ? -c : ASCII_BYTE_P (c) ? c : BYTE8_TO_CHAR (c); char_offset++; coding->errors++; + /* Reset the invocation and designation status to the safest + one; i.e. designate ASCII to the graphic register 0, and + invoke that register to the graphic plane 0. This typically + helps the case that an designation sequence for ASCII "ESC ( + B" is somehow broken (e.g. broken by a newline). */ + CODING_ISO_INVOCATION (coding, 0) = 0; + CODING_ISO_DESIGNATION (coding, 0) = charset_ascii; + charset_id_0 = charset_ascii; continue; break_loop: |