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(CODING_REQUIRE_ENCODING): Elaborate the comment.

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This commit is contained in:
Eli Zaretskii 2006-05-20 19:04:35 +00:00
parent 375136cc7c
commit d836fdf52e
1 changed files with 4 additions and 1 deletions
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5
src/coding.h
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@ -462,7 +462,10 @@ struct coding_system
|| (coding)->common_flags & CODING_REQUIRE_DECODING_MASK)
/* Return 1 if the coding system CODING requires code conversion on
encoding. */
encoding.
The non-multibyte part of the condition is to support encoding of
unibyte strings/buffers generated by string-as-unibyte or
(set-buffer-multibyte nil) from multibyte strings/buffers. */
#define CODING_REQUIRE_ENCODING(coding) \
((coding)->src_multibyte \
|| (coding)->common_flags & CODING_REQUIRE_ENCODING_MASK)