Author: jilles
Date: Sun Jul 24 17:24:26 2011
New Revision: 224289
URL: http://svn.freebsd.org/changeset/base/224289
Log:
MFC r212374,r221026: printf(1): Document need for "--" before format strings
starting with "-".
Also move the remark that hexadecimal escapes are not provided to the new
CAVEATS section.
PR: 158846
Modified:
stable/8/usr.bin/printf/printf.1
Directory Properties:
stable/8/usr.bin/printf/ (props changed)
Modified: stable/8/usr.bin/printf/printf.1
==============================================================================
--- stable/8/usr.bin/printf/printf.1 Sun Jul 24 11:56:39 2011
(r224288)
+++ stable/8/usr.bin/printf/printf.1 Sun Jul 24 17:24:26 2011
(r224289)
@@ -332,6 +332,16 @@ command appeared in
It is modeled
after the standard library function,
.Xr printf 3 .
+.Sh CAVEATS
+.Tn ANSI
+hexadecimal character constants were deliberately not provided.
+.Pp
+Trying to print a dash ("-") as the first character causes
+.Nm
+to interpret the dash as a program argument.
+.Nm --
+must be used before
+.Ar format .
.Sh BUGS
Since the floating point numbers are translated from
.Tn ASCII
@@ -343,9 +353,6 @@ The
.Cm L
modifier may produce additional precision, depending on the hardware platform.)
.Pp
-.Tn ANSI
-hexadecimal character constants were deliberately not provided.
-.Pp
The escape sequence \e000 is the string terminator.
When present in the argument for the
.Cm b
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