POSIX specifies non-overlapping, always; see description of maximal

substrings of regular expressions in 2.8.2

SCCS-vsn: usr.bin/sed/POSIX 5.11

diff --git a/usr/src/usr.bin/sed/POSIX b/usr/src/usr.bin/sed/POSIX
index 76fca5a..6f774e3 100644 (file)
--- a/usr/src/usr.bin/sed/POSIX
+++ b/usr/src/usr.bin/sed/POSIX
@@ -1,4 +1,4 @@
-#      @(#)POSIX       5.10 (Berkeley) %G%
+#      @(#)POSIX       5.11 (Berkeley) %G%

 
 Comments on the IEEE P1003.2 Draft 12
      Part 2: Shell and Utilities
 
 Comments on the IEEE P1003.2 Draft 12
      Part 2: Shell and Utilities


@@ -172,11 +172,7 @@ All uses of "POSIX" refer to section 4.55, Draft 12 of POSIX 1003.2.
        string1 or string2 of the y command.  This is not specified by
        POSIX.  This implementation follows historic practice.
 
        string1 or string2 of the y command.  This is not specified by
        POSIX.  This implementation follows historic practice.
 

-21.    POSIX does not specify if the "Nth occurrence" of an RE in a
-       substitute command is an overlapping or a non-overlapping one,
-       i.e. what is the result of s/a*/A/2 on the pattern "aaaaa aaaaa".
-       Historical practice is to drop core or only do non-overlapping
-       RE's.  This implementation only does non-overlapping RE's.
+21.    Deleted.

 
 22.    Historic implementations of sed ignore the RE delimiter characters
        within character classes.  This is not specified in POSIX.  This
 
 22.    Historic implementations of sed ignore the RE delimiter characters
        within character classes.  This is not specified in POSIX.  This