diff --git a/src/edit.c b/src/edit.c
index a3d4a9a..b5ab7a0 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -129,7 +129,7 @@
 
 static void ins_ctrl_x __ARGS((void));
 static int  has_compl_option __ARGS((int dict_opt));
-static int ins_compl_add __ARGS((char_u *str, int len, int icase, char_u *fname, char_u **cptext, int cdir, int flags, int dup));
+static int ins_compl_add __ARGS((char_u *str, int len, int icase, char_u *fname, char_u **cptext, int cdir, int flags, int adup));
 static int  ins_compl_equal __ARGS((compl_T *match, char_u *str, int len));
 static void ins_compl_longest_match __ARGS((compl_T *match));
 static void ins_compl_add_matches __ARGS((int num_matches, char_u **matches, int icase));
@@ -2118,7 +2118,7 @@
  * maybe because alloc() returns NULL, then FAIL is returned.
  */
     static int
-ins_compl_add(str, len, icase, fname, cptext, cdir, flags, dup)
+ins_compl_add(str, len, icase, fname, cptext, cdir, flags, adup)
     char_u	*str;
     int		len;
     int		icase;
@@ -2126,7 +2126,7 @@
     char_u	**cptext;   /* extra text for popup menu or NULL */
     int		cdir;
     int		flags;
-    int		dup;	    /* accept duplicate match */
+    int		adup;	    /* accept duplicate match */
 {
     compl_T	*match;
     int		dir = (cdir == 0 ? compl_direction : cdir);
@@ -2140,7 +2140,7 @@
     /*
      * If the same match is already present, don't add it.
      */
-    if (compl_first_match != NULL && !dup)
+    if (compl_first_match != NULL && !adup)
     {
 	match = compl_first_match;
 	do
@@ -3608,7 +3608,7 @@
 {
     char_u	*word;
     int		icase = FALSE;
-    int		dup = FALSE;
+    int		adup = FALSE;
     char_u	*(cptext[CPT_COUNT]);
 
     if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL)
@@ -3625,7 +3625,7 @@
 	if (get_dict_string(tv->vval.v_dict, (char_u *)"icase", FALSE) != NULL)
 	    icase = get_dict_number(tv->vval.v_dict, (char_u *)"icase");
 	if (get_dict_string(tv->vval.v_dict, (char_u *)"dup", FALSE) != NULL)
-	    dup = get_dict_number(tv->vval.v_dict, (char_u *)"dup");
+	    adup = get_dict_number(tv->vval.v_dict, (char_u *)"dup");
     }
     else
     {
@@ -3634,7 +3634,7 @@
     }
     if (word == NULL || *word == NUL)
 	return FAIL;
-    return ins_compl_add(word, -1, icase, NULL, cptext, dir, 0, dup);
+    return ins_compl_add(word, -1, icase, NULL, cptext, dir, 0, adup);
 }
 #endif
 
diff --git a/src/eval.c b/src/eval.c
index 6165434..76a3ff4 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -454,7 +454,7 @@
 static char_u *deref_func_name __ARGS((char_u *name, int *lenp));
 static int get_func_tv __ARGS((char_u *name, int len, typval_T *rettv, char_u **arg, linenr_T firstline, linenr_T lastline, int *doesrange, int evaluate, dict_T *selfdict));
 static int call_func __ARGS((char_u *name, int len, typval_T *rettv, int argcount, typval_T *argvars, linenr_T firstline, linenr_T lastline, int *doesrange, int evaluate, dict_T *selfdict));
-static void emsg_funcname __ARGS((char *msg, char_u *name));
+static void emsg_funcname __ARGS((char *ermsg, char_u *name));
 
 static void f_add __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_append __ARGS((typval_T *argvars, typval_T *rettv));
@@ -2260,7 +2260,7 @@
 	    EMSG(_(e_letunexp));
 	else
 	{
-	    char_u	*tofree = NULL;
+	    char_u	*ptofree = NULL;
 	    char_u	*s;
 
 	    p = get_tv_string_chk(tv);
@@ -2269,7 +2269,7 @@
 		s = get_reg_contents(*arg == '@' ? '"' : *arg, TRUE, TRUE);
 		if (s != NULL)
 		{
-		    p = tofree = concat_str(s, p);
+		    p = ptofree = concat_str(s, p);
 		    vim_free(s);
 		}
 	    }
@@ -2278,7 +2278,7 @@
 		write_reg_contents(*arg == '@' ? '"' : *arg, p, -1, FALSE);
 		arg_end = arg + 1;
 	    }
-	    vim_free(tofree);
+	    vim_free(ptofree);
 	}
     }
 
@@ -7595,8 +7595,8 @@
  * Give an error message with a function name.  Handle <SNR> things.
  */
     static void
-emsg_funcname(msg, name)
-    char	*msg;
+emsg_funcname(ermsg, name)
+    char	*ermsg;
     char_u	*name;
 {
     char_u	*p;
@@ -7605,7 +7605,7 @@
 	p = concat_str((char_u *)"<SNR>", name + 3);
     else
 	p = name;
-    EMSG2(_(msg), p);
+    EMSG2(_(ermsg), p);
     if (p != name)
 	vim_free(p);
 }
@@ -9179,25 +9179,25 @@
     typval_T	save_key;
     int		rem;
     int		todo;
-    char_u	*msg = map ? (char_u *)"map()" : (char_u *)"filter()";
+    char_u	*ermsg = map ? (char_u *)"map()" : (char_u *)"filter()";
     int		save_did_emsg;
 
     rettv->vval.v_number = 0;
     if (argvars[0].v_type == VAR_LIST)
     {
 	if ((l = argvars[0].vval.v_list) == NULL
-		|| (map && tv_check_lock(l->lv_lock, msg)))
+		|| (map && tv_check_lock(l->lv_lock, ermsg)))
 	    return;
     }
     else if (argvars[0].v_type == VAR_DICT)
     {
 	if ((d = argvars[0].vval.v_dict) == NULL
-		|| (map && tv_check_lock(d->dv_lock, msg)))
+		|| (map && tv_check_lock(d->dv_lock, ermsg)))
 	    return;
     }
     else
     {
-	EMSG2(_(e_listdictarg), msg);
+	EMSG2(_(e_listdictarg), ermsg);
 	return;
     }
 
@@ -9229,7 +9229,7 @@
 		{
 		    --todo;
 		    di = HI2DI(hi);
-		    if (tv_check_lock(di->di_tv.v_lock, msg))
+		    if (tv_check_lock(di->di_tv.v_lock, ermsg))
 			break;
 		    vimvars[VV_KEY].vv_str = vim_strsave(di->di_key);
 		    if (filter_map_one(&di->di_tv, expr, map, &rem) == FAIL
@@ -9248,7 +9248,7 @@
 	{
 	    for (li = l->lv_first; li != NULL; li = nli)
 	    {
-		if (tv_check_lock(li->li_tv.v_lock, msg))
+		if (tv_check_lock(li->li_tv.v_lock, ermsg))
 		    break;
 		nli = li->li_next;
 		if (filter_map_one(&li->li_tv, expr, map, &rem) == FAIL
@@ -19789,7 +19789,7 @@
 	    if (p_verbose >= 14)
 	    {
 		char_u	buf[MSG_BUF_LEN];
-		char_u	numbuf[NUMBUFLEN];
+		char_u	numbuf2[NUMBUFLEN];
 		char_u	*tofree;
 
 		msg_puts((char_u *)"(");
@@ -19801,8 +19801,8 @@
 			msg_outnum((long)argvars[i].vval.v_number);
 		    else
 		    {
-			trunc_string(tv2string(&argvars[i], &tofree, numbuf, 0),
-							    buf, MSG_BUF_CLEN);
+			trunc_string(tv2string(&argvars[i], &tofree,
+					      numbuf2, 0), buf, MSG_BUF_CLEN);
 			msg_puts(buf);
 			vim_free(tofree);
 		    }
@@ -19880,13 +19880,13 @@
 	else
 	{
 	    char_u	buf[MSG_BUF_LEN];
-	    char_u	numbuf[NUMBUFLEN];
+	    char_u	numbuf2[NUMBUFLEN];
 	    char_u	*tofree;
 
 	    /* The value may be very long.  Skip the middle part, so that we
 	     * have some idea how it starts and ends. smsg() would always
 	     * truncate it at the end. */
-	    trunc_string(tv2string(fc.rettv, &tofree, numbuf, 0),
+	    trunc_string(tv2string(fc.rettv, &tofree, numbuf2, 0),
 							   buf, MSG_BUF_CLEN);
 	    smsg((char_u *)_("%s returning %s"), sourcing_name, buf);
 	    vim_free(tofree);
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index b5920c8..7044073 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -185,6 +185,7 @@
 	    new_indent = indent;
 	else
 	{
+	    has_tab = FALSE;	/* avoid uninit warnings */
 	    len = linelen(eap->cmdidx == CMD_right ? &has_tab
 						   : NULL) - get_indent();
 
@@ -1772,10 +1773,9 @@
 				? (st_old.st_mode & 0020)
 				: (st_old.st_mode & 0002))))
 	{
-	    int	tt;
+	    int	tt = msg_didany;
 
 	    /* avoid a wait_return for this message, it's annoying */
-	    tt = msg_didany;
 	    EMSG2(_("E137: Viminfo file is not writable: %s"), fname);
 	    msg_didany = tt;
 	    fclose(fp_in);
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 4d01039..5025872 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -3648,13 +3648,13 @@
  * Return FALSE when not sourcing a file.
  */
     int
-source_finished(getline, cookie)
-    char_u	*(*getline) __ARGS((int, void *, int));
+source_finished(fgetline, cookie)
+    char_u	*(*fgetline) __ARGS((int, void *, int));
     void	*cookie;
 {
-    return (getline_equal(getline, cookie, getsourceline)
+    return (getline_equal(fgetline, cookie, getsourceline)
 	    && ((struct source_cookie *)getline_cookie(
-						 getline, cookie))->finished);
+						fgetline, cookie))->finished);
 }
 #endif
 
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index e78f762..0019055 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -58,9 +58,9 @@
 #endif
 
 #ifdef FEAT_EVAL
-static char_u	*do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*getline)(int, void *, int), void *cookie));
+static char_u	*do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
 #else
-static char_u	*do_one_cmd __ARGS((char_u **, int, char_u *(*getline)(int, void *, int), void *cookie));
+static char_u	*do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
 static int	if_level = 0;		/* depth in :if */
 #endif
 static char_u	*find_command __ARGS((exarg_T *eap, int *full));
@@ -831,10 +831,13 @@
 
     /*
      * If requested, store and reset the global values controlling the
-     * exception handling (used when debugging).
+     * exception handling (used when debugging).  Otherwise clear it to avoid
+     * a bogus compiler warning when the optimizer uses inline functions...
      */
     if (flags & DOCMD_EXCRESET)
 	save_dbg_stuff(&debug_saved);
+    else
+	memset(&debug_saved, 0, 1);
 
     initial_trylevel = trylevel;
 
@@ -1574,24 +1577,24 @@
 #endif
 
 /*
- * If "getline" is get_loop_line(), return TRUE if the getline it uses equals
- * "func".  * Otherwise return TRUE when "getline" equals "func".
+ * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
+ * "func".  * Otherwise return TRUE when "fgetline" equals "func".
  */
 /*ARGSUSED*/
     int
-getline_equal(getline, cookie, func)
-    char_u	*(*getline) __ARGS((int, void *, int));
-    void	*cookie;		/* argument for getline() */
+getline_equal(fgetline, cookie, func)
+    char_u	*(*fgetline) __ARGS((int, void *, int));
+    void	*cookie;		/* argument for fgetline() */
     char_u	*(*func) __ARGS((int, void *, int));
 {
 #ifdef FEAT_EVAL
     char_u		*(*gp) __ARGS((int, void *, int));
     struct loop_cookie *cp;
 
-    /* When "getline" is "get_loop_line()" use the "cookie" to find the
+    /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
      * function that's orignally used to obtain the lines.  This may be nested
      * several levels. */
-    gp = getline;
+    gp = fgetline;
     cp = (struct loop_cookie *)cookie;
     while (gp == get_loop_line)
     {
@@ -1600,29 +1603,29 @@
     }
     return gp == func;
 #else
-    return getline == func;
+    return fgetline == func;
 #endif
 }
 
 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
 /*
- * If "getline" is get_loop_line(), return the cookie used by the original
+ * If "fgetline" is get_loop_line(), return the cookie used by the original
  * getline function.  Otherwise return "cookie".
  */
 /*ARGSUSED*/
     void *
-getline_cookie(getline, cookie)
-    char_u	*(*getline) __ARGS((int, void *, int));
-    void	*cookie;		/* argument for getline() */
+getline_cookie(fgetline, cookie)
+    char_u	*(*fgetline) __ARGS((int, void *, int));
+    void	*cookie;		/* argument for fgetline() */
 {
 # ifdef FEAT_EVAL
     char_u		*(*gp) __ARGS((int, void *, int));
     struct loop_cookie *cp;
 
-    /* When "getline" is "get_loop_line()" use the "cookie" to find the
+    /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
      * cookie that's orignally used to obtain the lines.  This may be nested
      * several levels. */
-    gp = getline;
+    gp = fgetline;
     cp = (struct loop_cookie *)cookie;
     while (gp == get_loop_line)
     {
@@ -1648,7 +1651,7 @@
  * 5. parse arguments
  * 6. switch on command name
  *
- * Note: "getline" can be NULL.
+ * Note: "fgetline" can be NULL.
  *
  * This function may be called recursively!
  */
@@ -1663,14 +1666,14 @@
 #ifdef FEAT_EVAL
 			    cstack,
 #endif
-				    getline, cookie)
+				    fgetline, cookie)
     char_u		**cmdlinep;
     int			sourcing;
 #ifdef FEAT_EVAL
     struct condstack	*cstack;
 #endif
-    char_u		*(*getline) __ARGS((int, void *, int));
-    void		*cookie;		/* argument for getline() */
+    char_u		*(*fgetline) __ARGS((int, void *, int));
+    void		*cookie;		/* argument for fgetline() */
 {
     char_u		*p;
     linenr_T		lnum;
@@ -1698,7 +1701,7 @@
     if (quitmore
 #ifdef FEAT_EVAL
 	    /* avoid that a function call in 'statusline' does this */
-	    && !getline_equal(getline, cookie, get_func_line)
+	    && !getline_equal(fgetline, cookie, get_func_line)
 #endif
 	    )
 	--quitmore;
@@ -1728,8 +1731,8 @@
 
 	/* in ex mode, an empty line works like :+ */
 	if (*ea.cmd == NUL && exmode_active
-			&& (getline_equal(getline, cookie, getexmodeline)
-			    || getline_equal(getline, cookie, getexline))
+			&& (getline_equal(fgetline, cookie, getexmodeline)
+			    || getline_equal(fgetline, cookie, getexline))
 			&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
 	{
 	    ea.cmd = (char_u *)"+";
@@ -1918,9 +1921,9 @@
     /* Count this line for profiling if ea.skip is FALSE. */
     if (do_profiling == PROF_YES && !ea.skip)
     {
-	if (getline_equal(getline, cookie, get_func_line))
-	    func_line_exec(getline_cookie(getline, cookie));
-	else if (getline_equal(getline, cookie, getsourceline))
+	if (getline_equal(fgetline, cookie, get_func_line))
+	    func_line_exec(getline_cookie(fgetline, cookie));
+	else if (getline_equal(fgetline, cookie, getsourceline))
 	    script_line_exec();
     }
 #endif
@@ -2589,7 +2592,7 @@
  * The "ea" structure holds the arguments that can be used.
  */
     ea.cmdlinep = cmdlinep;
-    ea.getline = getline;
+    ea.getline = fgetline;
     ea.cookie = cookie;
 #ifdef FEAT_EVAL
     ea.cstack = cstack;
@@ -2627,9 +2630,9 @@
 	do_throw(cstack);
     else if (check_cstack)
     {
-	if (source_finished(getline, cookie))
+	if (source_finished(fgetline, cookie))
 	    do_finish(&ea, TRUE);
-	else if (getline_equal(getline, cookie, get_func_line)
+	else if (getline_equal(fgetline, cookie, get_func_line)
 						   && current_func_returned())
 	    do_return(&ea, TRUE, FALSE, NULL);
     }
diff --git a/src/gui_beval.c b/src/gui_beval.c
index 655d5ae..804fa5a 100644
--- a/src/gui_beval.c
+++ b/src/gui_beval.c
@@ -926,7 +926,7 @@
 #  define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \
 			      || (c) == DEL)
     static void
-set_printable_label_text(GtkLabel *label, char_u *msg)
+set_printable_label_text(GtkLabel *label, char_u *text)
 {
     char_u	    *convbuf = NULL;
     char_u	    *buf;
@@ -940,14 +940,14 @@
     /* Convert to UTF-8 if it isn't already */
     if (output_conv.vc_type != CONV_NONE)
     {
-	convbuf = string_convert(&output_conv, msg, NULL);
+	convbuf = string_convert(&output_conv, text, NULL);
 	if (convbuf != NULL)
-	    msg = convbuf;
+	    text = convbuf;
     }
 
     /* First let's see how much we need to allocate */
     len = 0;
-    for (p = msg; *p != NUL; p += charlen)
+    for (p = text; *p != NUL; p += charlen)
     {
 	if ((*p & 0x80) == 0)	/* be quick for ASCII */
 	{
@@ -992,7 +992,7 @@
 				     (unsigned long)pixel, &color);
 
 	pdest = buf;
-	p = msg;
+	p = text;
 	while (*p != NUL)
 	{
 	    /* Be quick for ASCII */
diff --git a/src/gui_gtk.c b/src/gui_gtk.c
index 397b451..8751615 100644
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -957,15 +957,15 @@
 get_menu_position(vimmenu_T *menu)
 {
     vimmenu_T	*node;
-    int		index = 0;
+    int		idx = 0;
 
     for (node = menu->parent->children; node != menu; node = node->next)
     {
 	g_return_val_if_fail(node != NULL, -1);
-	++index;
+	++idx;
     }
 
-    return index;
+    return idx;
 }
 #endif /* FEAT_TOOLBAR && HAVE_GTK2 */
 
@@ -2127,7 +2127,7 @@
     char    **ync;  /* "yes no cancel" */
     char    **buttons;
     int	    n_buttons = 0;
-    int	    index;
+    int	    idx;
 
     button_string = vim_strsave(button_string); /* must be writable */
     if (button_string == NULL)
@@ -2161,12 +2161,12 @@
      * Well, apparently somebody changed his mind: with GTK 2.2.4 it works the
      * other way around...
      */
-    for (index = 1; index <= n_buttons; ++index)
+    for (idx = 1; idx <= n_buttons; ++idx)
     {
 	char	*label;
 	char_u	*label8;
 
-	label = buttons[index - 1];
+	label = buttons[idx - 1];
 	/*
 	 * Perform some guesswork to find appropriate stock items for the
 	 * buttons.  We have to compare with a sample of the translated
@@ -2188,7 +2188,7 @@
 	    else if (button_equal(label, "Cancel")) label = GTK_STOCK_CANCEL;
 	}
 	label8 = CONVERT_TO_UTF8((char_u *)label);
-	gtk_dialog_add_button(dialog, (const gchar *)label8, index);
+	gtk_dialog_add_button(dialog, (const gchar *)label8, idx);
 	CONVERT_TO_UTF8_FREE(label8);
     }
 
diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 5779787..04ee0a0 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -3233,12 +3233,12 @@
 on_select_tab(
 	GtkNotebook	*notebook,
 	GtkNotebookPage *page,
-	gint		index,
+	gint		idx,
 	gpointer	data)
 {
     if (!ignore_tabline_evt)
     {
-	if (send_tabline_event(index + 1) && gtk_main_level() > 0)
+	if (send_tabline_event(idx + 1) && gtk_main_level() > 0)
 	    gtk_main_quit();
     }
 }
@@ -5303,13 +5303,13 @@
 # ifdef HAVE_GTK2
     if (font != NOFONT)
     {
-	char	*name = pango_font_description_to_string(font);
+	char	*pangoname = pango_font_description_to_string(font);
 
-	if (name != NULL)
+	if (pangoname != NULL)
 	{
-	    char_u	*s = vim_strsave((char_u *)name);
+	    char_u	*s = vim_strsave((char_u *)pangoname);
 
-	    g_free(name);
+	    g_free(pangoname);
 	    return s;
 	}
     }
@@ -6241,24 +6241,20 @@
 {
     GdkGCValues values;
     GdkGC *invert_gc;
-    GdkColor foreground;
-    GdkColor background;
 
     if (gui.drawarea->window == NULL)
 	return;
 
-    foreground.pixel = gui.norm_pixel ^ gui.back_pixel;
-    background.pixel = gui.norm_pixel ^ gui.back_pixel;
-
-    values.foreground = foreground;
-    values.background = background;
+    values.foreground.pixel = gui.norm_pixel ^ gui.back_pixel;
+    values.background.pixel = gui.norm_pixel ^ gui.back_pixel;
     values.function = GDK_XOR;
     invert_gc = gdk_gc_new_with_values(gui.drawarea->window,
 				       &values,
 				       GDK_GC_FOREGROUND |
 				       GDK_GC_BACKGROUND |
 				       GDK_GC_FUNCTION);
-    gdk_gc_set_exposures(invert_gc, gui.visibility != GDK_VISIBILITY_UNOBSCURED);
+    gdk_gc_set_exposures(invert_gc, gui.visibility !=
+						   GDK_VISIBILITY_UNOBSCURED);
     gdk_draw_rectangle(gui.drawarea->window, invert_gc,
 		       TRUE,
 		       FILL_X(c), FILL_Y(r),
diff --git a/src/hardcopy.c b/src/hardcopy.c
index b00322d..cb99792 100644
--- a/src/hardcopy.c
+++ b/src/hardcopy.c
@@ -1794,29 +1794,27 @@
     static int
 prt_resfile_next_line()
 {
-    int     index;
+    int     idx;
 
     /* Move to start of next line and then find end of line */
-    index = prt_resfile.line_end + 1;
-    while (index < prt_resfile.len)
+    idx = prt_resfile.line_end + 1;
+    while (idx < prt_resfile.len)
     {
-	if (prt_resfile.buffer[index] != PSLF && prt_resfile.buffer[index]
-									!= PSCR)
+	if (prt_resfile.buffer[idx] != PSLF && prt_resfile.buffer[idx] != PSCR)
 	    break;
-	index++;
+	idx++;
     }
-    prt_resfile.line_start = index;
+    prt_resfile.line_start = idx;
 
-    while (index < prt_resfile.len)
+    while (idx < prt_resfile.len)
     {
-	if (prt_resfile.buffer[index] == PSLF || prt_resfile.buffer[index]
-									== PSCR)
+	if (prt_resfile.buffer[idx] == PSLF || prt_resfile.buffer[idx] == PSCR)
 	    break;
-	index++;
+	idx++;
     }
-    prt_resfile.line_end = index;
+    prt_resfile.line_end = idx;
 
-    return (index < prt_resfile.len);
+    return (idx < prt_resfile.len);
 }
 
     static int
@@ -1837,14 +1835,14 @@
 prt_resfile_skip_nonws(offset)
     int     offset;
 {
-    int     index;
+    int     idx;
 
-    index = prt_resfile.line_start + offset;
-    while (index < prt_resfile.line_end)
+    idx = prt_resfile.line_start + offset;
+    while (idx < prt_resfile.line_end)
     {
-	if (isspace(prt_resfile.buffer[index]))
-	    return index - prt_resfile.line_start;
-	index++;
+	if (isspace(prt_resfile.buffer[idx]))
+	    return idx - prt_resfile.line_start;
+	idx++;
     }
     return -1;
 }
@@ -1853,14 +1851,14 @@
 prt_resfile_skip_ws(offset)
     int     offset;
 {
-    int     index;
+    int     idx;
 
-    index = prt_resfile.line_start + offset;
-    while (index < prt_resfile.line_end)
+    idx = prt_resfile.line_start + offset;
+    while (idx < prt_resfile.line_end)
     {
-	if (!isspace(prt_resfile.buffer[index]))
-	    return index - prt_resfile.line_start;
-	index++;
+	if (!isspace(prt_resfile.buffer[idx]))
+	    return idx - prt_resfile.line_start;
+	idx++;
     }
     return -1;
 }
@@ -2478,7 +2476,7 @@
     char_u	*p_encoding;
     struct prt_ps_encoding_S *p_mbenc;
     struct prt_ps_encoding_S *p_mbenc_first;
-    struct prt_ps_charset_S  *p_mbchar;
+    struct prt_ps_charset_S  *p_mbchar = NULL;
 #endif
 
 #if 0
@@ -2516,7 +2514,6 @@
     if (!(props & ENC_8BIT) && ((*p_pmcs != NUL) || !(props & ENC_UNICODE)))
     {
 	p_mbenc_first = NULL;
-	p_mbchar = NULL;
 	for (cmap = 0; cmap < NUM_ELEMENTS(prt_ps_mbfonts); cmap++)
 	    if (prt_match_encoding((char *)p_encoding, &prt_ps_mbfonts[cmap],
 								    &p_mbenc))
diff --git a/src/if_cscope.c b/src/if_cscope.c
index 1eb3616..df3213c 100644
--- a/src/if_cscope.c
+++ b/src/if_cscope.c
@@ -989,8 +989,7 @@
 {
     int i;
     char *cmd;
-    char **matches, **contexts;
-    int nummatches[CSCOPE_MAX_CONNECTIONS], totmatches, matched;
+    int nummatches[CSCOPE_MAX_CONNECTIONS], totmatches;
 #ifdef FEAT_QUICKFIX
     char cmdletter;
     char *qfpos;
@@ -1141,6 +1140,9 @@
     else
 #endif /* FEAT_QUICKFIX */
     {
+	char **matches = NULL, **contexts = NULL;
+	int matched = 0;
+
 	/* read output */
 	cs_fill_results((char *)pat, totmatches, nummatches, &matches,
 							 &contexts, &matched);
diff --git a/src/main.c b/src/main.c
index 8c32106..5051adb 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2285,7 +2285,7 @@
     mparm_T	*parmp;
 {
 #ifdef FEAT_WINDOWS
-    int		rewind;
+    int		dorewind;
     int		done = 0;
 
     /*
@@ -2342,10 +2342,10 @@
 	++autocmd_no_leave;
 #endif
 #ifdef FEAT_WINDOWS
-	rewind = TRUE;
+	dorewind = TRUE;
 	while (done++ < 1000)
 	{
-	    if (rewind)
+	    if (dorewind)
 	    {
 		if (parmp->window_layout == WIN_TABS)
 		    goto_tabpage(1);
@@ -2364,7 +2364,7 @@
 		    break;
 		curwin = curwin->w_next;
 	    }
-	    rewind = FALSE;
+	    dorewind = FALSE;
 #endif
 	    curbuf = curwin->w_buffer;
 	    if (curbuf->b_ml.ml_mfp == NULL)
@@ -2385,7 +2385,7 @@
 		check_swap_exists_action();
 #endif
 #ifdef FEAT_AUTOCMD
-		rewind = TRUE;		/* start again */
+		dorewind = TRUE;		/* start again */
 #endif
 	    }
 #ifdef FEAT_WINDOWS
diff --git a/src/mbyte.c b/src/mbyte.c
index 92f00e0..085b0ea 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -3861,13 +3861,13 @@
 
     if (preedit_string != NULL && attr_list != NULL)
     {
-	int index;
+	int idx;
 
 	/* Get the byte index as used by PangoAttrIterator */
-	for (index = 0; col > 0 && preedit_string[index] != '\0'; --col)
-	    index += utfc_ptr2len((char_u *)preedit_string + index);
+	for (idx = 0; col > 0 && preedit_string[idx] != '\0'; --col)
+	    idx += utfc_ptr2len((char_u *)preedit_string + idx);
 
-	if (preedit_string[index] != '\0')
+	if (preedit_string[idx] != '\0')
 	{
 	    PangoAttrIterator	*iter;
 	    int			start, end;
@@ -3880,7 +3880,7 @@
 	    {
 		pango_attr_iterator_range(iter, &start, &end);
 
-		if (index >= start && index < end)
+		if (idx >= start && idx < end)
 		    char_attr |= translate_pango_attributes(iter);
 	    }
 	    while (pango_attr_iterator_next(iter));
diff --git a/src/memline.c b/src/memline.c
index e86a792..6ea2dc5 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -215,7 +215,7 @@
 #define ML_FLUSH	0x02	    /* flush locked block */
 #define ML_SIMPLE(x)	(x & 0x10)  /* DEL, INS or FIND */
 
-static void ml_upd_block0 __ARGS((buf_T *buf, int setfname));
+static void ml_upd_block0 __ARGS((buf_T *buf, int set_fname));
 static void set_b0_fname __ARGS((ZERO_BL *, buf_T *buf));
 static void set_b0_dir_flag __ARGS((ZERO_BL *b0p, buf_T *buf));
 #ifdef FEAT_MBYTE
@@ -679,9 +679,9 @@
  * Update the timestamp or the B0_SAME_DIR flag of the .swp file.
  */
     static void
-ml_upd_block0(buf, setfname)
+ml_upd_block0(buf, set_fname)
     buf_T	*buf;
-    int		setfname;
+    int		set_fname;
 {
     memfile_T	*mfp;
     bhdr_T	*hp;
@@ -695,7 +695,7 @@
 	EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
     else
     {
-	if (setfname)
+	if (set_fname)
 	    set_b0_fname(b0p, buf);
 	else
 	    set_b0_dir_flag(b0p, buf);
diff --git a/src/netbeans.c b/src/netbeans.c
index 98c9a35..409580a 100644
--- a/src/netbeans.c
+++ b/src/netbeans.c
@@ -103,7 +103,7 @@
 static int  inputHandler = -1;		/* simply ret.value of WSAAsyncSelect() */
 extern HWND s_hwnd;			/* Gvim's Window handle */
 #endif
-static int cmdno;			/* current command number for reply */
+static int r_cmdno;			/* current command number for reply */
 static int haveConnection = FALSE;	/* socket is connected and
 					   initialization is done */
 #ifdef FEAT_GUI_MOTIF
@@ -832,11 +832,11 @@
 	return;
     }
 
-    cmdno = strtol(q, &q, 10);
+    r_cmdno = strtol(q, &q, 10);
 
     q = (char *)skipwhite((char_u *)q);
 
-    if (nb_do_cmd(bufno, (char_u *)verb, isfunc, cmdno, (char_u *)q) == FAIL)
+    if (nb_do_cmd(bufno, (char_u *)verb, isfunc, r_cmdno, (char_u *)q) == FAIL)
     {
 #ifdef NBDEBUG
 	/*
@@ -1008,11 +1008,11 @@
 	if (netbeansForcedQuit)
 	{
 	    /* mark as unmodified so NetBeans won't put up dialog on "killed" */
-	    sprintf(buf, "%d:unmodified=%d\n", i, cmdno);
+	    sprintf(buf, "%d:unmodified=%d\n", i, r_cmdno);
 	    nbdebug(("EVT: %s", buf));
 	    nb_send(buf, "netbeans_end");
 	}
-	sprintf(buf, "%d:killed=%d\n", i, cmdno);
+	sprintf(buf, "%d:killed=%d\n", i, r_cmdno);
 	nbdebug(("EVT: %s", buf));
 /*	nb_send(buf, "netbeans_end");    avoid "write failed" messages */
 	if (sd >= 0)
@@ -2563,7 +2563,7 @@
 	    if (p != NULL)
 	    {
 		vim_snprintf(buf, sizeof(buf),
-				       "0:balloonText=%d \"%s\"\n", cmdno, p);
+				       "0:balloonText=%d \"%s\"\n", r_cmdno, p);
 		vim_free(p);
 	    }
 	    nbdebug(("EVT: %s", buf));
@@ -2617,7 +2617,7 @@
 
     if (haveConnection)
     {
-	sprintf(buf, "0:disconnect=%d\n", cmdno);
+	sprintf(buf, "0:disconnect=%d\n", r_cmdno);
 	nbdebug(("EVT: %s", buf));
 	nb_send(buf, "netbeans_disconnect");
     }
@@ -2636,7 +2636,7 @@
 	return;
 
     sprintf(buf, "0:geometry=%d %d %d %d %d\n",
-		    cmdno, (int)Columns, (int)Rows, new_x, new_y);
+		    r_cmdno, (int)Columns, (int)Rows, new_x, new_y);
     /*nbdebug(("EVT: %s", buf)); happens too many times during a move */
     nb_send(buf, "netbeans_frame_moved");
 }
@@ -2745,7 +2745,7 @@
     if (bufno <= 0)
 	return;
 
-    sprintf(buffer, "%d:killed=%d\n", bufno, cmdno);
+    sprintf(buffer, "%d:killed=%d\n", bufno, r_cmdno);
 
     nbdebug(("EVT: %s", buffer));
 
@@ -2819,7 +2819,8 @@
     if (p != NULL)
     {
 	buf = alloc(128 + 2*newlen);
-	sprintf((char *)buf, "%d:insert=%d %ld \"%s\"\n", bufno, cmdno, off, p);
+	sprintf((char *)buf, "%d:insert=%d %ld \"%s\"\n",
+						      bufno, r_cmdno, off, p);
 	nbdebug(("EVT: %s", buf));
 	nb_send((char *)buf, "netbeans_inserted");
 	vim_free(p);
@@ -2861,7 +2862,7 @@
 
     off = pos2off(bufp, &pos);
 
-    sprintf((char *)buf, "%d:remove=%d %ld %ld\n", bufno, cmdno, off, len);
+    sprintf((char *)buf, "%d:remove=%d %ld %ld\n", bufno, r_cmdno, off, len);
     nbdebug(("EVT: %s", buf));
     nb_send((char *)buf, "netbeans_removed");
 }
@@ -2886,7 +2887,7 @@
 
     nbbuf->modified = 0;
 
-    sprintf((char *)buf, "%d:unmodified=%d\n", bufno, cmdno);
+    sprintf((char *)buf, "%d:unmodified=%d\n", bufno, r_cmdno);
     nbdebug(("EVT: %s", buf));
     nb_send((char *)buf, "netbeans_unmodified");
 #endif
@@ -2910,11 +2911,11 @@
 	long off = pos2off(curbuf, &curwin->w_cursor);
 
 	/* sync the cursor position */
-	sprintf(buf, "%d:newDotAndMark=%d %ld %ld\n", bufno, cmdno, off, off);
+	sprintf(buf, "%d:newDotAndMark=%d %ld %ld\n", bufno, r_cmdno, off, off);
 	nbdebug(("EVT: %s", buf));
 	nb_send(buf, "netbeans_button_release[newDotAndMark]");
 
-	sprintf(buf, "%d:buttonRelease=%d %d %ld %d\n", bufno, cmdno,
+	sprintf(buf, "%d:buttonRelease=%d %d %ld %d\n", bufno, r_cmdno,
 				    button, (long)curwin->w_cursor.lnum, col);
 	nbdebug(("EVT: %s", buf));
 	nb_send(buf, "netbeans_button_release");
@@ -2975,7 +2976,7 @@
 
     /* sync the cursor position */
     off = pos2off(curbuf, &curwin->w_cursor);
-    sprintf(buf, "%d:newDotAndMark=%d %ld %ld\n", bufno, cmdno, off, off);
+    sprintf(buf, "%d:newDotAndMark=%d %ld %ld\n", bufno, r_cmdno, off, off);
     nbdebug(("EVT: %s", buf));
     nb_send(buf, "netbeans_keycommand");
 
@@ -2986,13 +2987,13 @@
 
     /* now send keyCommand event */
     vim_snprintf(buf, sizeof(buf), "%d:keyCommand=%d \"%s\"\n",
-						       bufno, cmdno, keyName);
+						     bufno, r_cmdno, keyName);
     nbdebug(("EVT: %s", buf));
     nb_send(buf, "netbeans_keycommand");
 
     /* New: do both at once and include the lnum/col. */
     vim_snprintf(buf, sizeof(buf), "%d:keyAtPos=%d \"%s\" %ld %ld/%ld\n",
-	    bufno, cmdno, keyName,
+	    bufno, r_cmdno, keyName,
 		off, (long)curwin->w_cursor.lnum, (long)curwin->w_cursor.col);
     nbdebug(("EVT: %s", buf));
     nb_send(buf, "netbeans_keycommand");
@@ -3015,7 +3016,7 @@
 
     nbbuf->modified = 0;
 
-    sprintf((char *)buf, "%d:save=%d\n", bufno, cmdno);
+    sprintf((char *)buf, "%d:save=%d\n", bufno, r_cmdno);
     nbdebug(("EVT: %s", buf));
     nb_send((char *)buf, "netbeans_save_buffer");
 }
@@ -3039,7 +3040,7 @@
     if (nbbuf->insertDone)
 	nbbuf->modified = 1;
 
-    sprintf((char *)buf, "%d:remove=%d 0 -1\n", bufno, cmdno);
+    sprintf((char *)buf, "%d:remove=%d 0 -1\n", bufno, r_cmdno);
     nbdebug(("EVT(suppressed): %s", buf));
 /*     nb_send(buf, "netbeans_deleted_all_lines"); */
 }
diff --git a/src/normal.c b/src/normal.c
index df1afce..d1dc05f 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -4127,7 +4127,7 @@
     int		save_p_ws;
     int		save_p_scs;
     int		retval = OK;
-    int		incl;
+    int		incll;
 
     if ((pat = alloc(len + 7)) == NULL)
 	return FAIL;
@@ -4147,7 +4147,7 @@
      * With "gd" Search back for the start of the current function, then go
      * back until a blank line.  If this fails go to line 1.
      */
-    if (!locally || !findpar(&incl, BACKWARD, 1L, '{', FALSE))
+    if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
     {
 	setpcmark();			/* Set in findpar() otherwise */
 	curwin->w_cursor.lnum = 1;
diff --git a/src/option.c b/src/option.c
index 08e555b..c599d02 100644
--- a/src/option.c
+++ b/src/option.c
@@ -5268,45 +5268,46 @@
     char_u	*s;
     char_u	**varp;
     int		both = (opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0;
+    int		idx = opt_idx;
 
-    if (opt_idx == -1)		/* use name */
+    if (idx == -1)		/* use name */
     {
-	opt_idx = findoption(name);
-	if (opt_idx < 0)	/* not found (should not happen) */
+	idx = findoption(name);
+	if (idx < 0)	/* not found (should not happen) */
 	{
 	    EMSG2(_(e_intern2), "set_string_option_direct()");
 	    return;
 	}
     }
 
-    if (options[opt_idx].var == NULL)	/* can't set hidden option */
+    if (options[idx].var == NULL)	/* can't set hidden option */
 	return;
 
     s = vim_strsave(val);
     if (s != NULL)
     {
-	varp = (char_u **)get_varp_scope(&(options[opt_idx]),
+	varp = (char_u **)get_varp_scope(&(options[idx]),
 					       both ? OPT_LOCAL : opt_flags);
-	if ((opt_flags & OPT_FREE) && (options[opt_idx].flags & P_ALLOCED))
+	if ((opt_flags & OPT_FREE) && (options[idx].flags & P_ALLOCED))
 	    free_string_option(*varp);
 	*varp = s;
 
 	/* For buffer/window local option may also set the global value. */
 	if (both)
-	    set_string_option_global(opt_idx, varp);
+	    set_string_option_global(idx, varp);
 
-	options[opt_idx].flags |= P_ALLOCED;
+	options[idx].flags |= P_ALLOCED;
 
 	/* When setting both values of a global option with a local value,
 	 * make the local value empty, so that the global value is used. */
-	if (((int)options[opt_idx].indir & PV_BOTH) && both)
+	if (((int)options[idx].indir & PV_BOTH) && both)
 	{
 	    free_string_option(*varp);
 	    *varp = empty_option;
 	}
 # ifdef FEAT_EVAL
 	if (set_sid != SID_NONE)
-	    set_option_scriptID_idx(opt_idx, opt_flags,
+	    set_option_scriptID_idx(idx, opt_flags,
 					set_sid == 0 ? current_SID : set_sid);
 # endif
     }
diff --git a/src/os_unix.c b/src/os_unix.c
index 86f52c5..b510d2b 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3934,7 +3934,7 @@
 		    {
 			linenr_T    lnum = curbuf->b_op_start.lnum;
 			int	    written = 0;
-			char_u	    *p = ml_get(lnum);
+			char_u	    *lp = ml_get(lnum);
 			char_u	    *s;
 			size_t	    l;
 
@@ -3942,17 +3942,17 @@
 			close(fromshell_fd);
 			for (;;)
 			{
-			    l = STRLEN(p + written);
+			    l = STRLEN(lp + written);
 			    if (l == 0)
 				len = 0;
-			    else if (p[written] == NL)
+			    else if (lp[written] == NL)
 				/* NL -> NUL translation */
 				len = write(toshell_fd, "", (size_t)1);
 			    else
 			    {
-				s = vim_strchr(p + written, NL);
-				len = write(toshell_fd, (char *)p + written,
-					   s == NULL ? l : s - (p + written));
+				s = vim_strchr(lp + written, NL);
+				len = write(toshell_fd, (char *)lp + written,
+					   s == NULL ? l : s - (lp + written));
 			    }
 			    if (len == l)
 			    {
@@ -3973,7 +3973,7 @@
 				    toshell_fd = -1;
 				    break;
 				}
-				p = ml_get(lnum);
+				lp = ml_get(lnum);
 				written = 0;
 			    }
 			    else if (len > 0)
diff --git a/src/quickfix.c b/src/quickfix.c
index 6e3fa6a..2e87373 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -500,8 +500,6 @@
 	{
 	    if (tv != NULL)
 	    {
-		int len;
-
 		if (tv->v_type == VAR_STRING)
 		{
 		    /* Get the next line from the supplied string */
diff --git a/src/regexp.c b/src/regexp.c
index 3b5a148..3160fb8 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -3912,7 +3912,7 @@
 		{
 		    colnr_T	    start, end;
 		    colnr_T	    start2, end2;
-		    colnr_T	    col;
+		    colnr_T	    cols;
 
 		    getvvcol(wp, &top, &start, NULL, &end);
 		    getvvcol(wp, &bot, &start2, NULL, &end2);
@@ -3922,9 +3922,9 @@
 			end = end2;
 		    if (top.col == MAXCOL || bot.col == MAXCOL)
 			end = MAXCOL;
-		    col = win_linetabsize(wp,
+		    cols = win_linetabsize(wp,
 				      regline, (colnr_T)(reginput - regline));
-		    if (col < start || col > end - (*p_sel == 'e'))
+		    if (cols < start || cols > end - (*p_sel == 'e'))
 			status = RA_NOMATCH;
 		}
 	    }
@@ -4253,7 +4253,7 @@
 	    {
 		int	i, len;
 		char_u	*opnd;
-		int	opndc, inpc;
+		int	opndc = 0, inpc;
 
 		opnd = OPERAND(scan);
 		/* Safety check (just in case 'encoding' was changed since
diff --git a/src/screen.c b/src/screen.c
index 71aec85..6c6403e 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -7099,7 +7099,7 @@
     tabpage_T	    *tp;
 #endif
     static int	    entered = FALSE;		/* avoid recursiveness */
-    static int	    did_outofmem_msg = FALSE;	/* did outofmem message */
+    static int	    done_outofmem_msg = FALSE;	/* did outofmem message */
 
     /*
      * Allocation of the screen buffers is done only when the size changes and
@@ -7207,14 +7207,14 @@
 #endif
 	    || outofmem)
     {
-	if (ScreenLines != NULL || !did_outofmem_msg)
+	if (ScreenLines != NULL || !done_outofmem_msg)
 	{
 	    /* guess the size */
 	    do_outofmem_msg((long_u)((Rows + 1) * Columns));
 
 	    /* Remember we did this to avoid getting outofmem messages over
 	     * and over again. */
-	    did_outofmem_msg = TRUE;
+	    done_outofmem_msg = TRUE;
 	}
 	vim_free(new_ScreenLines);
 	new_ScreenLines = NULL;
@@ -7242,7 +7242,7 @@
     }
     else
     {
-	did_outofmem_msg = FALSE;
+	done_outofmem_msg = FALSE;
 
 	for (new_row = 0; new_row < Rows; ++new_row)
 	{
diff --git a/src/search.c b/src/search.c
index 1bbc277..97580c0 100644
--- a/src/search.c
+++ b/src/search.c
@@ -4826,15 +4826,20 @@
 
 		if ((compl_cont_status & CONT_ADDING) && i == compl_length)
 		{
-		    /* get the next line */
 		    /* IOSIZE > compl_length, so the STRNCPY works */
 		    STRNCPY(IObuff, aux, i);
-		    if (!(     depth < 0
-			    && lnum < end_lnum
-			    && (line = ml_get(++lnum)) != NULL)
-			&& !(	depth >= 0
-			    && !vim_fgets(line = file_line,
-						     LSIZE, files[depth].fp)))
+
+		    /* Get the next line: when "depth" < 0  from the current
+		     * buffer, otherwise from the included file.  Jump to
+		     * exit_matched when past the last line. */
+		    if (depth < 0)
+		    {
+			if (lnum >= end_lnum)
+			    goto exit_matched;
+			line = ml_get(++lnum);
+		    }
+		    else if (vim_fgets(line = file_line,
+						      LSIZE, files[depth].fp))
 			goto exit_matched;
 
 		    /* we read a line, set "already" to check this "line" later
diff --git a/src/spell.c b/src/spell.c
index ad13970..b7061b4 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -2043,8 +2043,8 @@
     int		len;
 # ifdef FEAT_SYN_HL
     int		has_syntax = syntax_present(wp->w_buffer);
-    int		col;
 # endif
+    int		col;
     int		can_spell;
     char_u	*buf = NULL;
     int		buflen = 0;
@@ -2093,9 +2093,8 @@
 	    capcol = (int)(skipwhite(line) - line);
 	else if (curline && wp == curwin)
 	{
-	    int	    col = (int)(skipwhite(line) - line);
-
 	    /* For spellbadword(): check if first word needs a capital. */
+	    col = (int)(skipwhite(line) - line);
 	    if (check_need_cap(lnum, col))
 		capcol = col;
 
@@ -5061,7 +5060,7 @@
     int		do_rep;
     int		do_repsal;
     int		do_sal;
-    int		do_map;
+    int		do_mapline;
     int		found_map = FALSE;
     hashitem_T	*hi;
     int		l;
@@ -5099,7 +5098,7 @@
     do_sal = spin->si_sal.ga_len == 0;
 
     /* Only do MAP lines when not done in another .aff file already. */
-    do_map = spin->si_map.ga_len == 0;
+    do_mapline = spin->si_map.ga_len == 0;
 
     /*
      * Allocate and init the afffile_T structure.
@@ -5781,7 +5780,7 @@
 			smsg((char_u *)_("Expected MAP count in %s line %d"),
 								 fname, lnum);
 		}
-		else if (do_map)
+		else if (do_mapline)
 		{
 		    int		c;
 
@@ -7508,7 +7507,7 @@
 {
     char_u	*p = p_msm;
     long	start = 0;
-    long	inc = 0;
+    long	incr = 0;
     long	added = 0;
 
     if (!VIM_ISDIGIT(*p))
@@ -7520,7 +7519,7 @@
     ++p;
     if (!VIM_ISDIGIT(*p))
 	return FAIL;
-    inc = (getdigits(&p) * 102) / (SBLOCKSIZE / 10);
+    incr = (getdigits(&p) * 102) / (SBLOCKSIZE / 10);
     if (*p != ',')
 	return FAIL;
     ++p;
@@ -7530,11 +7529,11 @@
     if (*p != NUL)
 	return FAIL;
 
-    if (start == 0 || inc == 0 || added == 0 || inc > start)
+    if (start == 0 || incr == 0 || added == 0 || incr > start)
 	return FAIL;
 
     compress_start = start;
-    compress_inc = inc;
+    compress_inc = incr;
     compress_added = added;
     return OK;
 }
@@ -8292,14 +8291,14 @@
  * Returns the number of nodes used.
  */
     static int
-put_node(fd, node, index, regionmask, prefixtree)
+put_node(fd, node, idx, regionmask, prefixtree)
     FILE	*fd;		/* NULL when only counting */
     wordnode_T	*node;
-    int		index;
+    int		idx;
     int		regionmask;
     int		prefixtree;	/* TRUE for PREFIXTREE */
 {
-    int		newindex = index;
+    int		newindex = idx;
     int		siblingcount = 0;
     wordnode_T	*np;
     int		flags;
@@ -8309,7 +8308,7 @@
 	return 0;
 
     /* Store the index where this node is written. */
-    node->wn_u1.index = index;
+    node->wn_u1.index = idx;
 
     /* Count the number of siblings. */
     for (np = node; np != NULL; np = np->wn_sibling)
@@ -9244,11 +9243,11 @@
  * Add "word[len]" to 'spellfile' as a good or bad word.
  */
     void
-spell_add_word(word, len, bad, index, undo)
+spell_add_word(word, len, bad, idx, undo)
     char_u	*word;
     int		len;
     int		bad;
-    int		index;	    /* "zG" and "zW": zero, otherwise index in
+    int		idx;	    /* "zG" and "zW": zero, otherwise index in
 			       'spellfile' */
     int		undo;	    /* TRUE for "zug", "zuG", "zuw" and "zuW" */
 {
@@ -9262,7 +9261,7 @@
     int		i;
     char_u	*spf;
 
-    if (index == 0)	    /* use internal wordlist */
+    if (idx == 0)	    /* use internal wordlist */
     {
 	if (int_wordlist == NULL)
 	{
@@ -9290,11 +9289,11 @@
 	for (spf = curbuf->b_p_spf, i = 1; *spf != NUL; ++i)
 	{
 	    copy_option_part(&spf, fnamebuf, MAXPATHL, ",");
-	    if (i == index)
+	    if (i == idx)
 		break;
 	    if (*spf == NUL)
 	    {
-		EMSGN(_("E765: 'spellfile' does not have %ld entries"), index);
+		EMSGN(_("E765: 'spellfile' does not have %ld entries"), idx);
 		return;
 	    }
 	}
@@ -13581,53 +13580,58 @@
 	 * the first "the" to itself. */
 	return;
 
-    /* Check if the word is already there.  Also check the length that is
-     * being replaced "thes," -> "these" is a different suggestion from
-     * "thes" -> "these". */
-    stp = &SUG(*gap, 0);
-    for (i = gap->ga_len; --i >= 0; ++stp)
-	if (stp->st_wordlen == goodlen
-		&& stp->st_orglen == badlen
-		&& STRNCMP(stp->st_word, goodword, goodlen) == 0)
-	{
-	    /*
-	     * Found it.  Remember the word with the lowest score.
-	     */
-	    if (stp->st_slang == NULL)
-		stp->st_slang = slang;
-
-	    new_sug.st_score = score;
-	    new_sug.st_altscore = altscore;
-	    new_sug.st_had_bonus = had_bonus;
-
-	    if (stp->st_had_bonus != had_bonus)
+    if (gap->ga_len == 0)
+	i = -1;
+    else
+    {
+	/* Check if the word is already there.  Also check the length that is
+	 * being replaced "thes," -> "these" is a different suggestion from
+	 * "thes" -> "these". */
+	stp = &SUG(*gap, 0);
+	for (i = gap->ga_len; --i >= 0; ++stp)
+	    if (stp->st_wordlen == goodlen
+		    && stp->st_orglen == badlen
+		    && STRNCMP(stp->st_word, goodword, goodlen) == 0)
 	    {
-		/* Only one of the two had the soundalike score computed.
-		 * Need to do that for the other one now, otherwise the
-		 * scores can't be compared.  This happens because
-		 * suggest_try_change() doesn't compute the soundalike
-		 * word to keep it fast, while some special methods set
-		 * the soundalike score to zero. */
-		if (had_bonus)
-		    rescore_one(su, stp);
-		else
+		/*
+		 * Found it.  Remember the word with the lowest score.
+		 */
+		if (stp->st_slang == NULL)
+		    stp->st_slang = slang;
+
+		new_sug.st_score = score;
+		new_sug.st_altscore = altscore;
+		new_sug.st_had_bonus = had_bonus;
+
+		if (stp->st_had_bonus != had_bonus)
 		{
-		    new_sug.st_word = stp->st_word;
-		    new_sug.st_wordlen = stp->st_wordlen;
-		    new_sug.st_slang = stp->st_slang;
-		    new_sug.st_orglen = badlen;
-		    rescore_one(su, &new_sug);
+		    /* Only one of the two had the soundalike score computed.
+		     * Need to do that for the other one now, otherwise the
+		     * scores can't be compared.  This happens because
+		     * suggest_try_change() doesn't compute the soundalike
+		     * word to keep it fast, while some special methods set
+		     * the soundalike score to zero. */
+		    if (had_bonus)
+			rescore_one(su, stp);
+		    else
+		    {
+			new_sug.st_word = stp->st_word;
+			new_sug.st_wordlen = stp->st_wordlen;
+			new_sug.st_slang = stp->st_slang;
+			new_sug.st_orglen = badlen;
+			rescore_one(su, &new_sug);
+		    }
 		}
-	    }
 
-	    if (stp->st_score > new_sug.st_score)
-	    {
-		stp->st_score = new_sug.st_score;
-		stp->st_altscore = new_sug.st_altscore;
-		stp->st_had_bonus = new_sug.st_had_bonus;
+		if (stp->st_score > new_sug.st_score)
+		{
+		    stp->st_score = new_sug.st_score;
+		    stp->st_altscore = new_sug.st_altscore;
+		    stp->st_had_bonus = new_sug.st_had_bonus;
+		}
+		break;
 	    }
-	    break;
-	}
+    }
 
     if (i < 0 && ga_grow(gap, 1) == OK)
     {
diff --git a/src/ui.c b/src/ui.c
index 352dce1..41422f1 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -1137,7 +1137,6 @@
     int		len;
 #ifdef FEAT_MBYTE
     char_u	*p;
-    int		i;
 #endif
     int		row1 = clip_star.start.lnum;
     int		col1 = clip_star.start.col;
@@ -1218,6 +1217,8 @@
 #ifdef FEAT_MBYTE
 	    if (enc_dbcs != 0)
 	    {
+		int	i;
+
 		p = ScreenLines + LineOffset[row];
 		for (i = start_col; i < end_col; ++i)
 		    if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e)
diff --git a/src/undo.c b/src/undo.c
index 6a98641..d56302d 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -1187,7 +1187,7 @@
     int		did_undo;	/* just did an undo */
     int		absolute;	/* used ":undo N" */
 {
-    char	*msg;
+    char	*msgstr;
     u_header_T	*uhp;
     char_u	msgbuf[80];
 
@@ -1205,20 +1205,20 @@
 
     u_oldcount -= u_newcount;
     if (u_oldcount == -1)
-	msg = N_("more line");
+	msgstr = N_("more line");
     else if (u_oldcount < 0)
-	msg = N_("more lines");
+	msgstr = N_("more lines");
     else if (u_oldcount == 1)
-	msg = N_("line less");
+	msgstr = N_("line less");
     else if (u_oldcount > 1)
-	msg = N_("fewer lines");
+	msgstr = N_("fewer lines");
     else
     {
 	u_oldcount = u_newcount;
 	if (u_newcount == 1)
-	    msg = N_("change");
+	    msgstr = N_("change");
 	else
-	    msg = N_("changes");
+	    msgstr = N_("changes");
     }
 
     if (curbuf->b_u_curhead != NULL)
@@ -1244,7 +1244,7 @@
 
     smsg((char_u *)_("%ld %s; %s #%ld  %s"),
 	    u_oldcount < 0 ? -u_oldcount : u_oldcount,
-	    _(msg),
+	    _(msgstr),
 	    did_undo ? _("before") : _("after"),
 	    uhp == NULL ? 0L : uhp->uh_seq,
 	    msgbuf);
diff --git a/src/version.c b/src/version.c
index 851ac33..9ed4bf3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -667,6 +667,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    70,
+/**/
     69,
 /**/
     68,
diff --git a/src/window.c b/src/window.c
index c4cd31a..4d09ad6 100644
--- a/src/window.c
+++ b/src/window.c
@@ -340,10 +340,10 @@
 		{
 		    tabpage_T	*oldtab = curtab;
 		    tabpage_T	*newtab;
-		    win_T	*wp = curwin;
 
 		    /* First create a new tab with the window, then go back to
 		     * the old tab and close the window there. */
+		    wp = curwin;
 		    if (win_new_tabpage((int)Prenum) == OK
 						     && valid_tabpage(oldtab))
 		    {