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-rw-r--r--doc/coreutils.texi13
1 files changed, 12 insertions, 1 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 62b31fe1a..e015fc57f 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -3705,6 +3705,17 @@ If all listed files are readable and are consistent with the associated
MD5 checksums, exit successfully. Otherwise exit with a status code
indicating there was a failure.
+@item --tag
+@opindex --tag
+@cindex BSD output
+Output BSD style checksums, which indicate the checksum algorithm used.
+As a @acronym{GNU} extension, file names with problematic characters
+are escaped as described above, with the same escaping indicator of @samp{\}
+at the start of the line, being used.
+The @option{--tag} option implies binary mode, and is disallowed with
+@option{--text} mode as supporting that would unnecessarily complicate
+the output format, while providing little benefit.
+
@item -t
@itemx --text
@opindex -t
@@ -3715,7 +3726,7 @@ outputting a @samp{ } flag. This is the inverse of @option{--binary}.
This option is the default on systems like @acronym{GNU} that do not
distinguish between binary and text files. On other systems, it is
the default for reading standard input when standard input is a
-terminal.
+terminal. This mode is never defaulted to if @option{--tag} is used.
@item -w
@itemx --warn