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-rw-r--r--bin/echo/echo.113
1 files changed, 11 insertions, 2 deletions
diff --git a/bin/echo/echo.1 b/bin/echo/echo.1
index 694c573..e498af7 100644
--- a/bin/echo/echo.1
+++ b/bin/echo/echo.1
@@ -58,11 +58,20 @@ output.
The following option is available:
.Bl -tag -width flag
.It Fl n
-Do not print the trailing newline character. This may also be
-achieved by appending
+Do not print the trailing newline character.
+This may also be achieved by appending
.Ql \ec
to the end of the string, as is done
by iBCS2 compatible systems.
+Note that this option as well as the effect of
+.Ql \ec
+are implementation-defined in
+.St -p1003.1-2001
+as amended by Cor. 1-2002.
+Applications aiming for maximum
+portability are strongly encouraged to use
+.Xr printf 1
+to suppress the newline character.
.El
.Pp
Some shells may provide a builtin
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