X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=dict%2Flookgrep.c;h=2767ba8dbcfacaf8c34794e3cc6d36a637eceaee;hb=0002d3ccff37e5598553683e95714ca5711f05e8;hp=0820ffd12c2a95181f5fd03dcd2f8725a72d5788;hpb=05b9b8ed020c5bfa48a913d6a2e2b50ddf1bab8e;p=idzebra-moved-to-github.git

diff --git a/dict/lookgrep.c b/dict/lookgrep.c
index 0820ffd..2767ba8 100644
--- a/dict/lookgrep.c
+++ b/dict/lookgrep.c
@@ -1,6 +1,6 @@
-/* $Id: lookgrep.c,v 1.28 2004-12-08 12:23:08 adam Exp $
-   Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
-   Index Data Aps
+/* $Id: lookgrep.c,v 1.31 2006-05-10 08:13:18 adam Exp $
+   Copyright (C) 1995-2005
+   Index Data ApS
 
 This file is part of the Zebra server.
 
@@ -34,6 +34,16 @@ typedef unsigned MatchWord;
 #define WORD_BITS 32
 #define MAX_LENGTH 1024
 
+/* This code is based 
+ * Sun Wu and Udi Manber: Fast Text Searching Allowing Errors.
+ *      Communications of the ACM, pp. 83-91, Vol. 35, No. 10, Oct. 1992, USA.
+ *      PostScript version of the paper in its submitted form: agrep1.ps)
+ *      recommended reading to understand AGREP ! 
+ *
+ * http://www.tgries.de/agrep/#AGREP1PS
+ * http://www.tgries.de/agrep/doc/agrep1ps.zip
+ */
+
 typedef struct {
   int n;                 /* no of MatchWord needed */
   int range;             /* max no. of errors */
@@ -431,3 +441,11 @@ void dict_grep_cmap (Dict dict, void *vp,
     dict->grep_cmap = cmap;
     dict->grep_cmap_data = vp;
 }
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+