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-rw-r--r--doc/coreutils.texi6
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 433b37f8f..fa51b3411 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -1607,7 +1607,7 @@ to the output line generated by the type specification.
@table @samp
@item a
-named character
+named character, ignoring high-order bit
@item c
@acronym{ASCII} character or backslash escape,
@item d
@@ -1623,7 +1623,9 @@ hexadecimal
@end table
The type @code{a} outputs things like @samp{sp} for space, @samp{nl} for
-newline, and @samp{nul} for a null (zero) byte. Type @code{c} outputs
+newline, and @samp{nul} for a null (zero) byte. Only the least significant
+seven bits of each byte is used; the high-order bit is ignored.
+Type @code{c} outputs
@samp{ }, @samp{\n}, and @code{\0}, respectively.
@cindex type size