head	1.4;
access;
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	ALPHA_1_0:1.1;
locks; strict;
comment	@# @;


1.4
date	99.11.24.15.11.51;	author obrien;	state dead;
branches;
next	1.3;

1.3
date	99.11.20.09.40.04;	author peter;	state Exp;
branches;
next	1.2;

1.2
date	99.10.28.10.34.17;	author ru;	state dead;
branches;
next	1.1;

1.1
date	93.07.06.18.44.53;	author nate;	state Exp;
branches
	1.1.12.1;
next	;

1.1.12.1
date	99.12.31.09.55.50;	author ru;	state dead;
branches;
next	;


desc
@@


1.4
log
@GNU killed this sometime before 2.3.
@
text
@Write Texinfo documentation for grep.  The manual page would be a good
place to start, but Info documents are also supposed to contain a
tutorial and examples.

Fix the DFA matcher to never use exponential space.  (Fortunately, these
cases are rare.)

Improve the performance of the regex backtracking matcher.  This matcher
is agonizingly slow, and is responsible for grep sometimes being slower
than Unix grep when backreferences are used.

Provide support for the Posix [= =] and [. .] constructs.  This is
difficult because it requires locale-dependent details of the character
set and collating sequence, but Posix does not standardize any method
for accessing this information!
@


1.3
log
@Back out the botched attempt to update to gnu grep 2.3 (lots of history
was lost).  Restore original version to try and avoid breaking the build
while David O'brien does a proper set of imports and merges.

Requested by:	obrien
@
text
@@


1.2
log
@Upgrade grep to version 2.3
@
text
@@


1.1
log
@Update GNU grep to version 2.0
@
text
@@


1.1.12.1
log
@MFC: Update to GNU grep 2.3
@
text
@@


