$NetBSD: patch-aa,v 1.7 2005/01/30 05:34:16 minskim Exp $

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=266519
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=277122

--- dfa.c.orig	2004-07-26 09:11:41.000000000 -0500
+++ dfa.c
@@ -634,7 +634,7 @@ parse_bracket_exp_mb ()
 		      work_mbc->coll_elems[work_mbc->ncoll_elems++] = elem;
 		    }
  		}
-	      wc = WEOF;
+	      wc = wc1 = WEOF;
 	    }
 	  else
 	    /* We treat '[' as a normal character here.  */
@@ -2871,6 +2871,14 @@ dfaexec (struct dfa *d, char const *begi
   if (MB_CUR_MAX > 1)
     {
       int remain_bytes, i;
+#if 0
+      /*
+       * This caching can get things wrong:
+
+      printf "ab\n\tb\n" | LC_ALL=de_DE.UTF-8 ./gawk '/^[ \t]/ { print }'
+
+       * should print \tb but doesn't
+       */
       buf_begin -= buf_offset;
       if (buf_begin <= (unsigned char const *)begin && (unsigned char const *) end <= buf_end) {
 	buf_offset = (unsigned char const *)begin - buf_begin;
@@ -2878,6 +2886,7 @@ dfaexec (struct dfa *d, char const *begi
 	buf_end = end;
 	goto go_fast;
       }
+#endif
 
       buf_offset = 0;
       buf_begin = begin;
@@ -2916,7 +2925,9 @@ dfaexec (struct dfa *d, char const *begi
       mblen_buf[i] = 0;
       inputwcs[i] = 0; /* sentinel */
     }
+#if 0
 go_fast:
+#endif
 #endif /* MBS_SUPPORT */
 
   for (;;)