updated for version 7.2-310

runtime/filetype.vim

@@ -2400,6 +2400,12 @@ au BufNewFile,BufRead /etc/xinetd.d/*		call s:StarSetf('xinetd')
 au BufNewFile,BufRead zsh*,zlog*		call s:StarSetf('zsh')
 
 
+
+" Use the filetype detect plugins.  They may overrule any of the previously
+" detected filetypes.
+runtime! ftdetect/*.vim
+
+
 " Generic configuration file (check this last, it's just guessing!)
 au BufNewFile,BufRead,StdinReadPost *
 	\ if !did_filetype() && expand("<amatch>") !~ g:ft_ignore_pat
@@ -2408,10 +2414,6 @@ au BufNewFile,BufRead,StdinReadPost *
 	\   setf conf |
 	\ endif
 
-" Use the plugin-filetype checks last, they may overrule any of the previously
-" detected filetypes.
-runtime! ftdetect/*.vim
-
 augroup END
 
 

src/auto/configure

@@ -15174,6 +15174,58 @@ else
 $as_echo "yes" >&6; }
 fi
 
+{ $as_echo "$as_me:$LINENO: checking for FD_CLOEXEC" >&5
+$as_echo_n "checking for FD_CLOEXEC... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+int
+main ()
+{
+	int flag = FD_CLOEXEC;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }; cat >>confdefs.h <<\_ACEOF
+#define HAVE_FD_CLOEXEC 1
+_ACEOF
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ $as_echo "$as_me:$LINENO: result: not usable" >&5
+$as_echo "not usable" >&6; }
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 { $as_echo "$as_me:$LINENO: checking for rename" >&5
 $as_echo_n "checking for rename... " >&6; }
 cat >conftest.$ac_ext <<_ACEOF

src/config.h.in

@@ -388,3 +388,6 @@
 
 /* Define if you want XSMP interaction as well as vanilla swapfile safety */
 #undef USE_XSMP_INTERACT
+
+/* Define if fcntl()'s F_SETFD command knows about FD_CLOEXEC */
+#undef HAVE_FD_CLOEXEC

src/configure.in

@@ -2855,6 +2855,16 @@ else
   AC_MSG_RESULT(yes)
 fi
 
+dnl make sure the FD_CLOEXEC flag for fcntl()'s F_SETFD command is known
+AC_MSG_CHECKING(for FD_CLOEXEC)
+AC_TRY_COMPILE(
+[#if HAVE_FCNTL_H
+# include <fcntl.h>
+#endif],
+[	int flag = FD_CLOEXEC;],
+	AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FD_CLOEXEC),
+	AC_MSG_RESULT(not usable))
+
 dnl rename needs to be checked separately to work on Nextstep with cc
 AC_MSG_CHECKING(for rename)
 AC_TRY_LINK([#include <stdio.h>], [rename("this", "that")],

src/edit.c

@@ -181,7 +181,7 @@ static void ins_redraw __ARGS((int ready));
 static void ins_ctrl_v __ARGS((void));
 static void undisplay_dollar __ARGS((void));
 static void insert_special __ARGS((int, int, int));
-static void internal_format __ARGS((int textwidth, int second_indent, int flags, int format_only));
+static void internal_format __ARGS((int textwidth, int second_indent, int flags, int format_only, int c));
 static void check_auto_format __ARGS((int));
 static void redo_literal __ARGS((int c));
 static void start_arrow __ARGS((pos_T *end_insert_pos));
@@ -2164,7 +2164,7 @@ ins_compl_add_infercase(str, len, icase, fname, dir, flags)
     int		i, c;
     int		actual_len;		/* Take multi-byte characters */
     int		actual_compl_length;	/* into account. */
-    int		*wca;		        /* Wide character array. */
+    int		*wca;			/* Wide character array. */
     int		has_lower = FALSE;
     int		was_letter = FALSE;
 
@@ -5558,7 +5558,7 @@ insertchar(c, flags, second_indent)
 	}
 	if (do_internal)
 #endif
-	    internal_format(textwidth, second_indent, flags, c == NUL);
+	    internal_format(textwidth, second_indent, flags, c == NUL, c);
     }
 
     if (c == NUL)	    /* only formatting was wanted */
@@ -5738,11 +5738,12 @@ insertchar(c, flags, second_indent)
  * Format text at the current insert position.
  */
     static void
-internal_format(textwidth, second_indent, flags, format_only)
+internal_format(textwidth, second_indent, flags, format_only, c)
     int		textwidth;
     int		second_indent;
     int		flags;
     int		format_only;
+    int		c; /* character to be inserted (can be NUL) */
 {
     int		cc;
     int		save_char = NUL;
@@ -5763,7 +5764,11 @@ internal_format(textwidth, second_indent, flags, format_only)
      * When 'ai' is off we don't want a space under the cursor to be
      * deleted.  Replace it with an 'x' temporarily.
      */
-    if (!curbuf->b_p_ai)
+    if (!curbuf->b_p_ai
+#ifdef FEAT_VREPLACE
+	    && !(State & VREPLACE_FLAG)
+#endif
+	    )
     {
 	cc = gchar_cursor();
 	if (vim_iswhite(cc))
@@ -5789,9 +5794,11 @@ internal_format(textwidth, second_indent, flags, format_only)
 	char_u	*saved_text = NULL;
 #endif
 	colnr_T	col;
+	colnr_T	end_col;
 
-	virtcol = get_nolist_virtcol();
-	if (virtcol < (colnr_T)textwidth)
+	virtcol = get_nolist_virtcol()
+		+ char2cells(c != NUL ? c : gchar_cursor());
+	if (virtcol <= (colnr_T)textwidth)
 	    break;
 
 #ifdef FEAT_COMMENTS
@@ -5831,12 +5838,7 @@ internal_format(textwidth, second_indent, flags, format_only)
 	coladvance((colnr_T)textwidth);
 	wantcol = curwin->w_cursor.col;
 
-	curwin->w_cursor.col = startcol - 1;
-#ifdef FEAT_MBYTE
-	/* Correct cursor for multi-byte character. */
-	if (has_mbyte)
-	    mb_adjust_cursor();
-#endif
+	curwin->w_cursor.col = startcol;
 	foundcol = 0;
 
 	/*
@@ -5847,11 +5849,14 @@ internal_format(textwidth, second_indent, flags, format_only)
 		    || curwin->w_cursor.lnum != Insstart.lnum
 		    || curwin->w_cursor.col >= Insstart.col)
 	{
-	    cc = gchar_cursor();
+	    if (curwin->w_cursor.col == startcol && c != NUL)
+		cc = c;
+	    else
+		cc = gchar_cursor();
 	    if (WHITECHAR(cc))
 	    {
 		/* remember position of blank just before text */
-		end_foundcol = curwin->w_cursor.col;
+		end_col = curwin->w_cursor.col;
 
 		/* find start of sequence of blanks */
 		while (curwin->w_cursor.col > 0 && WHITECHAR(cc))
@@ -5871,7 +5876,11 @@ internal_format(textwidth, second_indent, flags, format_only)
 		    /* do not break after one-letter words */
 		    if (curwin->w_cursor.col == 0)
 			break;	/* one-letter word at begin */
-
+#ifdef FEAT_COMMENTS
+		    /* do not break "#a b" when 'tw' is 2 */
+		    if (curwin->w_cursor.col <= leader_len)
+			break;
+#endif
 		    col = curwin->w_cursor.col;
 		    dec_cursor();
 		    cc = gchar_cursor();
@@ -5880,26 +5889,60 @@ internal_format(textwidth, second_indent, flags, format_only)
 			continue;	/* one-letter, continue */
 		    curwin->w_cursor.col = col;
 		}
-#ifdef FEAT_MBYTE
-		if (has_mbyte)
-		    foundcol = curwin->w_cursor.col
-					 + (*mb_ptr2len)(ml_get_cursor());
-		else
-#endif
-		    foundcol = curwin->w_cursor.col + 1;
-		if (curwin->w_cursor.col < (colnr_T)wantcol)
+
+		inc_cursor();
+
+		end_foundcol = end_col + 1;
+		foundcol = curwin->w_cursor.col;
+		if (curwin->w_cursor.col <= (colnr_T)wantcol)
 		    break;
 	    }
 #ifdef FEAT_MBYTE
-	    else if (cc >= 0x100 && fo_multibyte
-			      && curwin->w_cursor.col <= (colnr_T)wantcol)
+	    else if (cc >= 0x100 && fo_multibyte)
 	    {
 		/* Break after or before a multi-byte character. */
+		if (curwin->w_cursor.col != startcol)
+		{
+#ifdef FEAT_COMMENTS
+		    /* Don't break until after the comment leader */
+		    if (curwin->w_cursor.col < leader_len)
+			break;
+#endif
+		    col = curwin->w_cursor.col;
+		    inc_cursor();
+		    /* Don't change end_foundcol if already set. */
+		    if (foundcol != curwin->w_cursor.col)
+		    {
+			foundcol = curwin->w_cursor.col;
+			end_foundcol = foundcol;
+			if (curwin->w_cursor.col <= (colnr_T)wantcol)
+			    break;
+		    }
+		    curwin->w_cursor.col = col;
+		}
+
+		if (curwin->w_cursor.col == 0)
+		    break;
+
+		col = curwin->w_cursor.col;
+
+		dec_cursor();
+		cc = gchar_cursor();
+
+		if (WHITECHAR(cc))
+		    continue;		/* break with space */
+#ifdef FEAT_COMMENTS
+		/* Don't break until after the comment leader */
+		if (curwin->w_cursor.col < leader_len)
+		    break;
+#endif
+
+		curwin->w_cursor.col = col;
+
 		foundcol = curwin->w_cursor.col;
-		if (curwin->w_cursor.col < (colnr_T)wantcol)
-		    foundcol += (*mb_char2len)(cc);
 		end_foundcol = foundcol;
-		break;
+		if (curwin->w_cursor.col <= (colnr_T)wantcol)
+		    break;
 	    }
 #endif
 	    if (curwin->w_cursor.col == 0)
@@ -5926,14 +5969,15 @@ internal_format(textwidth, second_indent, flags, format_only)
 	    orig_col = startcol;	/* Will start backspacing from here */
 	else
 #endif
-	    replace_offset = startcol - end_foundcol - 1;
+	    replace_offset = startcol - end_foundcol;
 
 	/*
 	 * adjust startcol for spaces that will be deleted and
 	 * characters that will remain on top line
 	 */
 	curwin->w_cursor.col = foundcol;
-	while (cc = gchar_cursor(), WHITECHAR(cc))
+	while ((cc = gchar_cursor(), WHITECHAR(cc))
+		    && (!fo_white_par || curwin->w_cursor.col < startcol))
 	    inc_cursor();
 	startcol -= curwin->w_cursor.col;
 	if (startcol < 0)
@@ -8509,7 +8553,7 @@ ins_bs(c, mode, inserted_space_p)
 	if (mode == BACKSPACE_LINE
 		&& (curbuf->b_p_ai
 #ifdef FEAT_CINDENT
-                    || cindent_on()
+		    || cindent_on()
 #endif
 		   )
 #ifdef FEAT_RIGHTLEFT

src/fileio.c

@@ -146,7 +146,9 @@ static int get_mac_fio_flags __ARGS((char_u *ptr));
 # endif
 #endif
 static int move_lines __ARGS((buf_T *frombuf, buf_T *tobuf));
+#ifdef TEMPDIRNAMES
 static void vim_settempdir __ARGS((char_u *tempdir));
+#endif
 #ifdef FEAT_AUTOCMD
 static char *e_auchangedbuf = N_("E812: Autocommands changed buffer or buffer name");
 #endif
@@ -2254,6 +2256,14 @@ failed:
 
     if (!read_buffer && !read_stdin)
 	close(fd);				/* errors are ignored */
+#ifdef HAVE_FD_CLOEXEC
+    else
+    {
+	int fdflags = fcntl(fd, F_GETFD);
+	if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
+	    fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC);
+    }
+#endif
     vim_free(buffer);
 
 #ifdef HAVE_DUP
@@ -6987,6 +6997,7 @@ vim_deltempdir()
 }
 #endif
 
+#ifdef TEMPDIRNAMES
 /*
  * Directory "tempdir" was created.  Expand this name to a full path and put
  * it in "vim_tempdir".  This avoids that using ":cd" would confuse us.
@@ -7013,6 +7024,7 @@ vim_settempdir(tempdir)
 	vim_free(buf);
     }
 }
+#endif
 
 /*
  * vim_tempname(): Return a unique name that can be used for a temp file.

src/memfile.c

@@ -1343,6 +1343,11 @@ mf_do_open(mfp, fname, flags)
     }
     else
     {
+#ifdef HAVE_FD_CLOEXEC
+	int fdflags = fcntl(mfp->mf_fd, F_GETFD);
+	if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
+	    fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
+#endif
 #ifdef HAVE_SELINUX
 	mch_copy_sec(fname, mfp->mf_fname);
 #endif

src/memline.c

@@ -382,7 +382,7 @@ ml_open(buf)
     dp->db_index[0] = --dp->db_txt_start;	/* at end of block */
     dp->db_free -= 1 + INDEX_SIZE;
     dp->db_line_count = 1;
-    *((char_u *)dp + dp->db_txt_start) = NUL;	/* emtpy line */
+    *((char_u *)dp + dp->db_txt_start) = NUL;	/* empty line */
 
     return OK;
 
@@ -490,6 +490,13 @@ ml_setname(buf)
 	    EMSG(_("E301: Oops, lost the swap file!!!"));
 	    return;
 	}
+#ifdef HAVE_FD_CLOEXEC
+	{
+	    int fdflags = fcntl(mfp->mf_fd, F_GETFD);
+	    if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
+		fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
+	}
+#endif
     }
     if (!success)
 	EMSG(_("E302: Could not rename swap file"));

src/misc2.c

@@ -1390,6 +1390,7 @@ vim_strsave_shellescape(string, do_special)
 		*d++ = '\\';		/* insert backslash */
 		while (--l >= 0)	/* copy the var */
 		    *d++ = *p++;
+		continue;
 	    }
 
 	    MB_COPY_CHAR(p, d);

src/ops.c

@@ -5597,7 +5597,10 @@ x11_export_final_selection()
 	    vc.vc_type = CONV_NONE;
 	    if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK)
 	    {
-		conv_str = string_convert(&vc, str, (int*)&len);
+	        int intlen = len;
+
+		conv_str = string_convert(&vc, str, &intlen);
+		len = intlen;
 		if (conv_str != NULL)
 		{
 		    vim_free(str);

src/regexp.c

@@ -583,6 +583,7 @@ static int	re_has_z;	/* \z item detected */
 #endif
 static char_u	*regcode;	/* Code-emit pointer, or JUST_CALC_SIZE */
 static long	regsize;	/* Code size. */
+static int	reg_toolong;	/* TRUE when offset out of range */
 static char_u	had_endbrace[NSUBEXP];	/* flags, TRUE if end of () found */
 static unsigned	regflags;	/* RF_ flags for prog */
 static long	brace_min[10];	/* Minimums for complex brace repeats */
@@ -1028,9 +1029,11 @@ vim_regcomp(expr, re_flags)
     regcomp_start(expr, re_flags);
     regcode = r->program;
     regc(REGMAGIC);
-    if (reg(REG_NOPAREN, &flags) == NULL)
+    if (reg(REG_NOPAREN, &flags) == NULL || reg_toolong)
     {
 	vim_free(r);
+	if (reg_toolong)
+	    EMSG_RET_NULL(_("E339: Pattern too long"));
 	return NULL;
     }
 
@@ -1141,6 +1144,7 @@ regcomp_start(expr, re_flags)
     re_has_z = 0;
 #endif
     regsize = 0L;
+    reg_toolong = FALSE;
     regflags = 0;
 #if defined(FEAT_SYN_HL) || defined(PROTO)
     had_eol = FALSE;
@@ -1228,7 +1232,7 @@ reg(paren, flagp)
     {
 	skipchr();
 	br = regbranch(&flags);
-	if (br == NULL)
+	if (br == NULL || reg_toolong)
 	    return NULL;
 	regtail(ret, br);	/* BRANCH -> BRANCH. */
 	if (!(flags & HASWIDTH))
@@ -1313,6 +1317,8 @@ regbranch(flagp)
 	    break;
 	skipchr();
 	regtail(latest, regnode(END)); /* operand ends */
+	if (reg_toolong)
+	    break;
 	reginsert(MATCH, latest);
 	chain = latest;
     }
@@ -1382,7 +1388,7 @@ regconcat(flagp)
 			    break;
 	    default:
 			    latest = regpiece(&flags);
-			    if (latest == NULL)
+			    if (latest == NULL || reg_toolong)
 				return NULL;
 			    *flagp |= flags & (HASWIDTH | HASNL | HASLOOKBH);
 			    if (chain == NULL)	/* First piece. */
@@ -2540,8 +2546,16 @@ regtail(p, val)
 	offset = (int)(scan - val);
     else
 	offset = (int)(val - scan);
-    *(scan + 1) = (char_u) (((unsigned)offset >> 8) & 0377);
-    *(scan + 2) = (char_u) (offset & 0377);
+    /* When the offset uses more than 16 bits it can no longer fit in the two
+     * bytes avaliable.  Use a global flag to avoid having to check return
+     * values in too many places. */
+    if (offset > 0xffff)
+	reg_toolong = TRUE;
+    else
+    {
+	*(scan + 1) = (char_u) (((unsigned)offset >> 8) & 0377);
+	*(scan + 2) = (char_u) (offset & 0377);
+    }
 }
 
 /*
@@ -5764,6 +5778,8 @@ do_class:
 
 /*
  * regnext - dig the "next" pointer out of a node
+ * Returns NULL when calculating size, when there is no next item and when
+ * there is an error.
  */
     static char_u *
 regnext(p)
@@ -5771,7 +5787,7 @@ regnext(p)
 {
     int	    offset;
 
-    if (p == JUST_CALC_SIZE)
+    if (p == JUST_CALC_SIZE || reg_toolong)
 	return NULL;
 
     offset = NEXT(p);
@@ -6812,6 +6828,8 @@ static int can_f_submatch = FALSE;	/* TRUE when submatch() can be used */
  * that contains a call to substitute() and submatch(). */
 static regmatch_T	*submatch_match;
 static regmmatch_T	*submatch_mmatch;
+static linenr_T		submatch_firstlnum;
+static linenr_T		submatch_maxline;
 #endif
 
 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
@@ -6925,7 +6943,6 @@ vim_regsub_both(source, dest, copy, magic, backslash)
 	}
 	else
 	{
-	    linenr_T	save_reg_maxline;
 	    win_T	*save_reg_win;
 	    int		save_ireg_ic;
 
@@ -6937,7 +6954,8 @@ vim_regsub_both(source, dest, copy, magic, backslash)
 	     * vim_regexec_multi() can't be called recursively. */
 	    submatch_match = reg_match;
 	    submatch_mmatch = reg_mmatch;
-	    save_reg_maxline = reg_maxline;
+	    submatch_firstlnum = reg_firstlnum;
+	    submatch_maxline = reg_maxline;
 	    save_reg_win = reg_win;
 	    save_ireg_ic = ireg_ic;
 	    can_f_submatch = TRUE;
@@ -6960,7 +6978,8 @@ vim_regsub_both(source, dest, copy, magic, backslash)
 
 	    reg_match = submatch_match;
 	    reg_mmatch = submatch_mmatch;
-	    reg_maxline = save_reg_maxline;
+	    reg_firstlnum = submatch_firstlnum;
+	    reg_maxline = submatch_maxline;
 	    reg_win = save_reg_win;
 	    ireg_ic = save_ireg_ic;
 	    can_f_submatch = FALSE;
@@ -7195,6 +7214,31 @@ exit:
 }
 
 #ifdef FEAT_EVAL
+static char_u *reg_getline_submatch __ARGS((linenr_T lnum));
+
+/*
+ * Call reg_getline() with the line numbers from the submatch.  If a
+ * substitute() was used the reg_maxline and other values have been
+ * overwritten.
+ */
+    static char_u *
+reg_getline_submatch(lnum)
+    linenr_T	lnum;
+{
+    char_u *s;
+    linenr_T save_first = reg_firstlnum;
+    linenr_T save_max = reg_maxline;
+
+    reg_firstlnum = submatch_firstlnum;
+    reg_maxline = submatch_maxline;
+
+    s = reg_getline(lnum);
+
+    reg_firstlnum = save_first;
+    reg_maxline = save_max;
+    return s;
+}
+
 /*
  * Used for the submatch() function: get the string from the n'th submatch in
  * allocated memory.
@@ -7225,7 +7269,7 @@ reg_submatch(no)
 	    if (lnum < 0 || submatch_mmatch->endpos[no].lnum < 0)
 		return NULL;
 
-	    s = reg_getline(lnum) + submatch_mmatch->startpos[no].col;
+	    s = reg_getline_submatch(lnum) + submatch_mmatch->startpos[no].col;
 	    if (s == NULL)  /* anti-crash check, cannot happen? */
 		break;
 	    if (submatch_mmatch->endpos[no].lnum == lnum)
@@ -7251,7 +7295,7 @@ reg_submatch(no)
 		++lnum;
 		while (lnum < submatch_mmatch->endpos[no].lnum)
 		{
-		    s = reg_getline(lnum++);
+		    s = reg_getline_submatch(lnum++);
 		    if (round == 2)
 			STRCPY(retval + len, s);
 		    len += (int)STRLEN(s);
@@ -7260,7 +7304,7 @@ reg_submatch(no)
 		    ++len;
 		}
 		if (round == 2)
-		    STRNCPY(retval + len, reg_getline(lnum),
+		    STRNCPY(retval + len, reg_getline_submatch(lnum),
 					     submatch_mmatch->endpos[no].col);
 		len += submatch_mmatch->endpos[no].col;
 		if (round == 2)

src/screen.c

@@ -323,6 +323,7 @@ update_screen(type)
     int		did_one;
 #endif
 
+    /* Don't do anything if the screen structures are (not yet) valid. */
     if (!screen_valid(TRUE))
 	return;
 
@@ -342,7 +343,9 @@ update_screen(type)
     if (curwin->w_lines_valid == 0 && type < NOT_VALID)
 	type = NOT_VALID;
 
-    if (!redrawing())
+    /* Postpone the redrawing when it's not needed and when being called
+     * recursively. */
+    if (!redrawing() || updating_screen)
     {
 	redraw_later(type);		/* remember type for next time */
 	must_redraw = type;
@@ -582,6 +585,7 @@ static void update_finish __ARGS((void));
 
 /*
  * Prepare for updating one or more windows.
+ * Caller must check for "updating_screen" already set to avoid recursiveness.
  */
     static void
 update_prepare()
@@ -663,7 +667,9 @@ update_debug_sign(buf, lnum)
 	    doit = TRUE;
     }
 
-    if (!doit)
+    /* Return when there is nothing to do or screen updating already
+     * happening. */
+    if (!doit || updating_screen)
 	return;
 
     /* update all windows that need updating */
@@ -696,6 +702,10 @@ update_debug_sign(buf, lnum)
 updateWindow(wp)
     win_T	*wp;
 {
+    /* return if already busy updating */
+    if (updating_screen)
+	return;
+
     update_prepare();
 
 #ifdef FEAT_CLIPBOARD

src/testdir/Make_amiga.mak

@@ -26,7 +26,7 @@ SCRIPTS = test1.out test3.out test4.out test5.out test6.out \
 		test48.out test51.out test53.out test54.out test55.out \
 		test56.out test57.out test58.out test59.out test60.out \
 		test61.out test62.out test63.out test64.out test65.out \
-		test66.out test67.out
+		test66.out test67.out test68.out test69.out
 
 .SUFFIXES: .in .out
 
@@ -113,3 +113,5 @@ test64.out: test64.in
 test65.out: test65.in
 test66.out: test66.in
 test67.out: test67.in
+test68.out: test68.in
+test69.out: test69.in

src/testdir/Make_dos.mak

@@ -26,7 +26,8 @@ SCRIPTS =	test3.out test4.out test5.out test6.out test7.out \
 		test15.out test17.out test18.out test21.out test26.out \
 		test30.out test31.out test32.out test33.out test34.out \
 		test37.out test38.out test39.out test40.out test41.out \
-		test42.out test52.out test65.out test66.out test67.out
+		test42.out test52.out test65.out test66.out test67.out \
+		test68.out test69.out
 
 SCRIPTS32 =	test50.out
 

src/testdir/Make_ming.mak

@@ -45,7 +45,8 @@ SCRIPTS =	test3.out test4.out test5.out test6.out test7.out \
 		test15.out test17.out test18.out test21.out test26.out \
 		test30.out test31.out test32.out test33.out test34.out \
 		test37.out test38.out test39.out test40.out test41.out \
-		test42.out test52.out test65.out test66.out test67.out
+		test42.out test52.out test65.out test66.out test67.out \
+		test68.out test69.out
 
 SCRIPTS32 =	test50.out
 

src/testdir/Make_os2.mak

@@ -26,7 +26,7 @@ SCRIPTS = test1.out test3.out test4.out test5.out test6.out \
 		test48.out test51.out test53.out test54.out test55.out \
 		test56.out test57.out test58.out test59.out test60.out \
 		test61.out test62.out test63.out test64.out test65.out \
-		test66.out test67.out
+		test66.out test67.out test68.out test69.out
 
 .SUFFIXES: .in .out
 

src/testdir/Make_vms.mms

@@ -69,7 +69,7 @@ SCRIPT = test1.out  test2.out  test3.out  test4.out  test5.out  \
 	 test48.out test51.out test53.out test54.out test55.out \
 	 test56.out test57.out test60.out \
 	 test61.out test62.out test63.out test64.out test65.out \
-	 test66.out test67.out
+	 test66.out test67.out test68.out test69.out
 
 .IFDEF WANT_GUI
 SCRIPT_GUI = test16.out

src/testdir/Makefile

@@ -22,7 +22,8 @@ SCRIPTS = test1.out test2.out test3.out test4.out test5.out test6.out \
 		test48.out test49.out test51.out test52.out test53.out \
 		test54.out test55.out test56.out test57.out test58.out \
 		test59.out test60.out test61.out test62.out test63.out \
-		test64.out test65.out test66.out test67.out
+		test64.out test65.out test66.out test67.out test68.out \
+		test69.out
 
 SCRIPTS_GUI = test16.out
 

src/testdir/test68.in

@@ -0,0 +1,56 @@
+Test for text formatting.
+
+Results of test68:
+
+STARTTEST
+:so small.vim
+/^{/+1
+:set noai tw=2 fo=t
+gRa b
+ENDTEST
+
+{
+    
+
+}
+
+STARTTEST
+/^{/+1
+:set ai tw=2 fo=tw
+gqgqjjllab
+ENDTEST
+
+{
+a  b  
+
+a    
+}
+
+STARTTEST
+/^{/+1
+:set tw=3 fo=t
+gqgqo
+a 

+ENDTEST
+
+{
+a 

+}
+
+STARTTEST
+/^{/+1
+:set tw=2 fo=tcq1 comments=:#
+gqgqjgqgqo
+a b
+#a b
+ENDTEST
+
+{
+a b
+#a b
+}
+
+STARTTEST
+:g/^STARTTEST/.,/^ENDTEST/d
+:1;/^Results/,$wq! test.out
+ENDTEST

src/testdir/test68.ok

@@ -0,0 +1,35 @@
+Results of test68:
+
+
+{
+a
+b
+}
+
+
+{
+a  
+b  
+
+a  
+b
+}
+
+
+{
+a
+

+
+a
+

+}
+
+
+{
+a b
+#a b
+
+a b
+#a b
+}
+

src/testdir/test69.in

@@ -0,0 +1,139 @@
+Test for multi-byte text formatting.
+
+STARTTEST
+:so mbyte.vim
+:set encoding=utf-8
+ENDTEST
+
+Results of test69:
+
+STARTTEST
+/^{/+1
+:set tw=2 fo=t
+gqgqjgqgqo
+ＸＹＺ
+abc ＸＹＺ
+ENDTEST
+
+{
+ＸＹＺ
+abc ＸＹＺ
+}
+
+STARTTEST
+/^{/+1
+:set tw=1 fo=tm
+gqgqjgqgqjgqgqjgqgqjgqgqo
+Ｘ
+Ｘa
+Ｘ a
+ＸＹ
+Ｘ Ｙ
+ENDTEST
+
+{
+Ｘ
+Ｘa
+Ｘ a
+ＸＹ
+Ｘ Ｙ
+}
+
+STARTTEST
+/^{/+1
+:set tw=2 fo=tm
+gqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqo
+Ｘ
+Ｘa
+Ｘ a
+ＸＹ
+Ｘ Ｙ
+aＸ
+abＸ
+abcＸ
+abＸ c
+abＸＹ
+ENDTEST
+
+{
+Ｘ
+Ｘa
+Ｘ a
+ＸＹ
+Ｘ Ｙ
+aＸ
+abＸ
+abcＸ
+abＸ c
+abＸＹ
+}
+
+STARTTEST
+/^{/+1
+:set ai tw=2 fo=tm
+gqgqjgqgqo
+Ｘ
+Ｘa
+ENDTEST
+
+{
+  Ｘ
+  Ｘa
+}
+
+STARTTEST
+/^{/+1
+:set noai tw=2 fo=tm
+gqgqjgqgqo
+  Ｘ
+  Ｘa
+ENDTEST
+
+{
+  Ｘ
+  Ｘa
+}
+
+STARTTEST
+/^{/+1
+:set tw=2 fo=cqm comments=n:Ｘ
+gqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqjgqgqo
+Ｘ
+Ｘa
+ＸaＹ
+ＸＹ
+ＸＹＺ
+Ｘ Ｙ
+Ｘ ＹＺ
+ＸＸ
+ＸＸa
+ＸＸＹ
+ENDTEST
+
+{
+Ｘ
+Ｘa
+ＸaＹ
+ＸＹ
+ＸＹＺ
+Ｘ Ｙ
+Ｘ ＹＺ
+ＸＸ
+ＸＸa
+ＸＸＹ
+}
+
+STARTTEST
+/^{/+1
+:set tw=2 fo=tm
+RＸa
+ENDTEST
+
+{
+
+}
+
+STARTTEST
+:g/^STARTTEST/.,/^ENDTEST/d
+:1;/^Results/,$wq! test.out
+ENDTEST

src/testdir/test69.ok

@@ -0,0 +1,142 @@
+Results of test69:
+
+
+{
+ＸＹＺ
+abc
+ＸＹＺ
+
+ＸＹＺ
+abc
+ＸＹＺ
+}
+
+
+{
+Ｘ
+Ｘ
+a
+Ｘ
+a
+Ｘ
+Ｙ
+Ｘ
+Ｙ
+
+Ｘ
+Ｘ
+a
+Ｘ
+a
+Ｘ
+Ｙ
+Ｘ
+Ｙ
+}
+
+
+{
+Ｘ
+Ｘ
+a
+Ｘ
+a
+Ｘ
+Ｙ
+Ｘ
+Ｙ
+a
+Ｘ
+ab
+Ｘ
+abc
+Ｘ
+ab
+Ｘ
+c
+ab
+Ｘ
+Ｙ
+
+Ｘ
+Ｘ
+a
+Ｘ
+a
+Ｘ
+Ｙ
+Ｘ
+Ｙ
+a
+Ｘ
+ab
+Ｘ
+abc
+Ｘ
+ab
+Ｘ
+c
+ab
+Ｘ
+Ｙ
+}
+
+
+{
+  Ｘ
+  Ｘ
+  a
+
+  Ｘ
+  Ｘ
+  a
+}
+
+
+{
+  Ｘ
+  Ｘ
+a
+
+  Ｘ
+  Ｘ
+a
+}
+
+
+{
+Ｘ
+Ｘa
+Ｘa
+ＸＹ
+ＸＹ
+ＸＹ
+ＸＺ
+Ｘ Ｙ
+Ｘ Ｙ
+Ｘ Ｚ
+ＸＸ
+ＸＸa
+ＸＸＹ
+
+Ｘ
+Ｘa
+Ｘa
+ＸＹ
+ＸＹ
+ＸＹ
+ＸＺ
+Ｘ Ｙ
+Ｘ Ｙ
+Ｘ Ｚ
+ＸＸ
+ＸＸa
+ＸＸＹ
+}
+
+
+{
+Ｘ
+a
+}
+

src/version.c

@@ -681,6 +681,28 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    310,
+/**/
+    309,
+/**/
+    308,
+/**/
+    307,
+/**/
+    306,
+/**/
+    305,
+/**/
+    304,
+/**/
+    303,
+/**/
+    302,
+/**/
+    301,
+/**/
+    300,
 /**/
     299,
 /**/