🚀 go-pugleaf

GNU sed 1.09 uses a wrong syntax for its regular expression. POSIX P1003.2
draft 11.2 section 4.55.7.2 specifies basic regular expressions for sed.

At least sed.c (main) should call re_set_syntax without RE_NO_BK_BRACES,
since /bin/sed on SunOS 4.1.2, SunOS 5.0, and AIX 3.2 all require \{, \}
instead of plain {, } for intervals.  This is also what POSIX specifies for
its basic regular expressions (2.8.3.3 (5)).

===================================================================
RCS file: RCS/sed.c,v
retrieving revision 1.1
diff -u -r1.1 sed.c
--- sed.c	1992/05/23 23:53:56	1.1
+++ sed.c	1992/10/01 15:05:46
@@ -327,7 +327,7 @@
 	struct sed_label *go,*lbl;
 
 	/* see regex.h */
-	re_set_syntax (RE_INTERVALS | RE_NO_BK_BRACES);
+	re_set_syntax (RE_SYNTAX_POSIX_BASIC);
 
 
 	myname=argv[0];

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Rainer Orth, Technical Computer Science, University of Bielefeld

Internet: ro@TechFak.Uni-Bielefeld.DE