diff --git a/7.1.086 b/7.1.086
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+To: vim-dev@vim.org
+Subject: patch 7.1.086
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=ISO-8859-1
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.1.086
+Problem:    Crash when using specific Python syntax highlighting.  (Quirk)
+Solution:   Check for a negative index, coming from a keyword match at the
+	    start of a line from a saved state.
+Files:	    src/syntax.c
+
+
+*** ../vim-7.1.085/src/syntax.c	Tue Aug 14 23:06:51 2007
+--- src/syntax.c	Tue Aug 21 17:13:51 2007
+***************
+*** 279,285 ****
+   */
+  typedef struct state_item
+  {
+!     int		si_idx;			/* index of syntax pattern */
+      int		si_id;			/* highlight group ID for keywords */
+      int		si_trans_id;		/* idem, transparancy removed */
+      int		si_m_lnum;		/* lnum of the match */
+--- 279,286 ----
+   */
+  typedef struct state_item
+  {
+!     int		si_idx;			/* index of syntax pattern or
+! 					   KEYWORD_IDX */
+      int		si_id;			/* highlight group ID for keywords */
+      int		si_trans_id;		/* idem, transparancy removed */
+      int		si_m_lnum;		/* lnum of the match */
+***************
+*** 837,845 ****
+  			    current_lnum = end_lnum;
+  			    break;
+  			}
+! 			spp = &(SYN_ITEMS(syn_buf)[cur_si->si_idx]);
+! 			found_flags = spp->sp_flags;
+! 			found_match_idx = spp->sp_sync_idx;
+  			found_current_lnum = current_lnum;
+  			found_current_col = current_col;
+  			found_m_endpos = cur_si->si_m_endpos;
+--- 838,855 ----
+  			    current_lnum = end_lnum;
+  			    break;
+  			}
+! 			if (cur_si->si_idx < 0)
+! 			{
+! 			    /* Cannot happen? */
+! 			    found_flags = 0;
+! 			    found_match_idx = KEYWORD_IDX;
+! 			}
+! 			else
+! 			{
+! 			    spp = &(SYN_ITEMS(syn_buf)[cur_si->si_idx]);
+! 			    found_flags = spp->sp_flags;
+! 			    found_match_idx = spp->sp_sync_idx;
+! 			}
+  			found_current_lnum = current_lnum;
+  			found_current_col = current_col;
+  			found_m_endpos = cur_si->si_m_endpos;
+***************
+*** 2533,2538 ****
+--- 2543,2552 ----
+      stateitem_T	*sip = &CUR_STATE(idx);
+      synpat_T	*spp;
+  
++     /* This should not happen... */
++     if (sip->si_idx < 0)
++ 	return;
++ 
+      spp = &(SYN_ITEMS(syn_buf)[sip->si_idx]);
+      if (sip->si_flags & HL_MATCH)
+  	sip->si_id = spp->sp_syn_match_id;
+***************
+*** 2648,2653 ****
+--- 2662,2671 ----
+      lpos_T	end_endpos;
+      int		end_idx;
+  
++     /* return quickly for a keyword */
++     if (sip->si_idx < 0)
++ 	return;
++ 
+      /* Don't update when it's already done.  Can be a match of an end pattern
+       * that started in a previous line.  Watch out: can also be a "keepend"
+       * from a containing item. */
+***************
+*** 2759,2764 ****
+--- 2777,2786 ----
+      lpos_T	pos;
+      char_u	*line;
+      int		had_match = FALSE;
++ 
++     /* just in case we are invoked for a keyword */
++     if (idx < 0)
++ 	return;
+  
+      /*
+       * Check for being called with a START pattern.
+*** ../vim-7.1.085/src/version.c	Tue Aug 21 15:28:32 2007
+--- src/version.c	Tue Aug 21 17:21:06 2007
+***************
+*** 668,669 ****
+--- 668,671 ----
+  {   /* Add new patch number below this line */
++ /**/
++     86,
+  /**/
+
+-- 
+hundred-and-one symptoms of being an internet addict:
+222. You send more than 20 personal e-mails a day.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\        download, build and distribute -- http://www.A-A-P.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///