Module Name: src
Committed By: uwe
Date: Sun Dec 4 16:52:49 UTC 2022
Modified Files:
src/lib/libc/regex: re_format.7
Log Message:
re_format(7): Add subsection headings for ERE and BRE
The first paragraph could use some rewording. While BRE may be
obsolete, it's still the default for regcomp(3) and the default for
grep(1), sed(1), etc.
To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/lib/libc/regex/re_format.7
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/regex/re_format.7
diff -u src/lib/libc/regex/re_format.7:1.15 src/lib/libc/regex/re_format.7:1.16
--- src/lib/libc/regex/re_format.7:1.15 Sun Aug 28 12:59:50 2022
+++ src/lib/libc/regex/re_format.7 Sun Dec 4 16:52:48 2022
@@ -1,4 +1,4 @@
-.\" $NetBSD: re_format.7,v 1.15 2022/08/28 12:59:50 uwe Exp $
+.\" $NetBSD: re_format.7,v 1.16 2022/12/04 16:52:48 uwe Exp $
.\"
.\" Copyright (c) 1992, 1993, 1994 Henry Spencer.
.\" Copyright (c) 1992, 1993, 1994
@@ -69,7 +69,7 @@ leaves some aspects of RE syntax and sem
may not be fully portable to other
.St -p1003.2
implementations.
-.Pp
+.Ss Extended regular expressions
A (modern) RE is one\*(DG or more non-empty\*(DG
.Em branches ,
separated by
@@ -383,7 +383,7 @@ Programs intended to be portable should
than 256 bytes,
as an implementation can refuse to accept such REs and remain
POSIX-compliant.
-.Pp
+.Ss Basic regular expressions
Obsolete
.Pq Dq basic
regular expressions differ in several respects.
