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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.979
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.979
+Problem:    Complex NFA regexp doesn't work.
+Solution:   Set actual state stack end instead of using an arbitrary number.
+	    (Yasuhiro Matsumoto)
+Files:	    src/regexp_nfa.c
+
+
+*** ../vim-7.3.978/src/regexp_nfa.c	2013-05-20 21:49:08.000000000 +0200
+--- src/regexp_nfa.c	2013-05-20 21:53:24.000000000 +0200
+***************
+*** 17,24 ****
+  #define	    NFA_BRACES_MAXLIMIT		    10
+  /* For allocating space for the postfix representation */
+  #define	    NFA_POSTFIX_MULTIPLIER	    (NFA_BRACES_MAXLIMIT + 2)*2
+- /* Size of stack, used when converting the postfix regexp into NFA */
+- #define	    NFA_STACK_SIZE		    1024
+  
+  enum
+  {
+--- 17,22 ----
+***************
+*** 2160,2168 ****
+      if (nfa_calc_size == FALSE)
+      {
+  	/* Allocate space for the stack. Max states on the stack : nstate */
+! 	stack = (Frag_T *) lalloc((nstate + 1)*sizeof(Frag_T), TRUE);
+  	stackp = stack;
+! 	stack_end = stack + NFA_STACK_SIZE;
+      }
+  
+      for (p = postfix; p < end; ++p)
+--- 2158,2166 ----
+      if (nfa_calc_size == FALSE)
+      {
+  	/* Allocate space for the stack. Max states on the stack : nstate */
+! 	stack = (Frag_T *) lalloc((nstate + 1) * sizeof(Frag_T), TRUE);
+  	stackp = stack;
+! 	stack_end = stack + (nstate + 1);
+      }
+  
+      for (p = postfix; p < end; ++p)
+*** ../vim-7.3.978/src/version.c	2013-05-20 21:49:08.000000000 +0200
+--- src/version.c	2013-05-20 21:55:37.000000000 +0200
+***************
+*** 730,731 ****
+--- 730,733 ----
+  {   /* Add new patch number below this line */
++ /**/
++     979,
+  /**/
+
+-- 
+   Another bucket of what can only be described as human ordure hits ARTHUR.
+ARTHUR: ... Right!  (to the KNIGHTS) That settles it!
+                 "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///