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(Decoding Output): Document that null bytes force no-conversion for reading

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process output.
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Eli Zaretskii 2009-01-10 12:50:38 +00:00
parent 7951ad77dd
commit 3355f04dd8
2 changed files with 10 additions and 1 deletions
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6
doc/lispref/ChangeLog
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@ -1,5 +1,11 @@
2009-01-10 Eli Zaretskii <eliz@gnu.org>
* processes.texi (Decoding Output): Document that null bytes force
no-conversion for reading process output.
* files.texi (Reading from Files): Document that null bytes force
no-conversion when visiting files.
* processes.texi (Serial Ports): Improve wording, suggested by
RMS.

5
doc/lispref/processes.texi
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@ -1388,7 +1388,10 @@ converts the unibyte output to multibyte using
system to use (@pxref{Process Information}). Otherwise, the coding
system comes from @code{coding-system-for-read}, if that is
non-@code{nil}; or else from the defaulting mechanism (@pxref{Default
Coding Systems}).
Coding Systems}). If the text output by a process contains null
bytes, Emacs by default uses @code{no-conversion} for it; see
@ref{Lisp and Coding Systems, inhibit-null-byte-detection}, for how to
control this behavior.
@strong{Warning:} Coding systems such as @code{undecided} which
determine the coding system from the data do not work entirely