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(Coding System Basics): More accurate description of `raw-text'.

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Eli Zaretskii 2009-01-17 10:09:52 +00:00
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@ -1,3 +1,8 @@
2009-01-17 Eli Zaretskii <eliz@gnu.org>
* nonascii.texi (Coding System Basics): More accurate description
of `raw-text'.
2009-01-12 Juanma Barranquero <lekktu@gmail.com>
* display.texi (Low-Level Font): Fix typo.

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doc/lispref/nonascii.texi
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@ -863,13 +863,23 @@ coding systems} such as @code{latin-1-unix}, @code{latin-1-dos} and
well. Most base coding systems have three corresponding variants whose
names are formed by adding @samp{-unix}, @samp{-dos} and @samp{-mac}.
@vindex raw-text@r{ coding system}
The coding system @code{raw-text} is special in that it prevents
character code conversion, and causes the buffer visited with that
coding system to be a unibyte buffer. It does not specify the
end-of-line conversion, allowing that to be determined as usual by the
data, and has the usual three variants which specify the end-of-line
conversion. @code{no-conversion} is equivalent to @code{raw-text-unix}:
it specifies no conversion of either character codes or end-of-line.
character code conversion, and causes the buffer visited with this
coding system to be a unibyte buffer. For historical reasons, you can
save both unibyte and multibyte text with this coding system. When
you use @code{raw-text} to encode multibyte text, it does perform one
character code conversion: it converts eight-bit characters to their
single-byte external representation. @code{raw-text} does not specify
the end-of-line conversion, allowing that to be determined as usual by
the data, and has the usual three variants which specify the
end-of-line conversion.
@vindex no-conversion@r{ coding system}
@vindex binary@r{ coding system}
@code{no-conversion} (and its alias @code{binary}) is equivalent to
@code{raw-text-unix}: it specifies no conversion of either character
codes or end-of-line.
@vindex emacs-internal@r{ coding system}
The coding system @code{emacs-internal} specifies that the data is