diff --git a/src/buffer.c b/src/buffer.c
index c25cb2f..ca3be14 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -111,7 +111,7 @@
     {
 	/* Set or reset 'modified' before executing autocommands, so that
 	 * it can be changed there. */
-	if (!readonlymode && !bufempty())
+	if (!readonlymode && !BUFEMPTY())
 	    changed();
 	else if (retval == OK)
 	    unchanged(curbuf, FALSE);
@@ -1959,7 +1959,7 @@
 	    && curbuf != NULL
 	    && curbuf->b_ffname == NULL
 	    && curbuf->b_nwindows <= 1
-	    && (curbuf->b_ml.ml_mfp == NULL || bufempty()))
+	    && (curbuf->b_ml.ml_mfp == NULL || BUFEMPTY()))
     {
 	buf = curbuf;
 #ifdef FEAT_AUTOCMD
@@ -2334,7 +2334,7 @@
 	/* If 'switchbuf' contains "split", "vsplit" or "newtab" and the
 	 * current buffer isn't empty: open new tab or window */
 	if (wp == NULL && (swb_flags & (SWB_VSPLIT | SWB_SPLIT | SWB_NEWTAB))
-							       && !bufempty())
+							       && !BUFEMPTY())
 	{
 	    if (swb_flags & SWB_NEWTAB)
 		tabpage_new();
@@ -5017,7 +5017,7 @@
 #ifdef FEAT_WINDOWS
     /* ":drop all" should re-use an empty window to avoid "--remote-tab"
      * leaving an empty tab page when executed locally. */
-    if (keep_tabs && bufempty() && curbuf->b_nwindows == 1
+    if (keep_tabs && BUFEMPTY() && curbuf->b_nwindows == 1
 			    && curbuf->b_ffname == NULL && !curbuf->b_changed)
 	use_firstwin = TRUE;
 #endif
diff --git a/src/charset.c b/src/charset.c
index 984d765..1e1b8b1 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1403,7 +1403,8 @@
 		&& (State & NORMAL)
 		&& !wp->w_p_list
 		&& !virtual_active()
-		&& !(VIsual_active && (*p_sel == 'e' || ltoreq(*pos, VIsual)))
+		&& !(VIsual_active
+				&& (*p_sel == 'e' || LTOREQ_POS(*pos, VIsual)))
 		)
 	    *cursor = vcol + incr - 1;	    /* cursor at end */
 	else
@@ -1496,7 +1497,7 @@
 {
     colnr_T	from1, from2, to1, to2;
 
-    if (ltp(pos1, pos2))
+    if (LT_POSP(pos1, pos2))
     {
 	getvvcol(wp, pos1, &from1, NULL, &to1);
 	getvvcol(wp, pos2, &from2, NULL, &to2);
diff --git a/src/diff.c b/src/diff.c
index 4352699..8c70e0c 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -2333,7 +2333,7 @@
 		    end_skip = 0;
 	    }
 
-	    buf_empty = bufempty();
+	    buf_empty = BUFEMPTY();
 	    added = 0;
 	    for (i = 0; i < count; ++i)
 	    {
diff --git a/src/edit.c b/src/edit.c
index 065b030..7082b9a 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -408,7 +408,7 @@
 	 * the "A" command, thus set State to avoid that. Also check that the
 	 * line number is still valid (lines may have been deleted).
 	 * Do not restore if v:char was set to a non-empty string. */
-	if (!equalpos(curwin->w_cursor, save_cursor)
+	if (!EQUAL_POS(curwin->w_cursor, save_cursor)
 # ifdef FEAT_EVAL
 		&& *get_vim_var_str(VV_CHAR) == NUL
 # endif
@@ -1631,7 +1631,7 @@
 # endif
 		)
 # ifdef FEAT_AUTOCMD
-	&& !equalpos(last_cursormoved, curwin->w_cursor)
+	&& !EQUAL_POS(last_cursormoved, curwin->w_cursor)
 # endif
 # ifdef FEAT_INS_EXPAND
 	&& !pum_visible()
@@ -4130,7 +4130,7 @@
     }
     curwin->w_cursor = pos;	/* restore the cursor position */
     validate_cursor();
-    if (!equalpos(curwin->w_cursor, pos))
+    if (!EQUAL_POS(curwin->w_cursor, pos))
     {
 	EMSG(_(e_compldel));
 	goto theend;
@@ -5408,7 +5408,7 @@
 	    }
 	    curwin->w_cursor = pos;	/* restore the cursor position */
 	    validate_cursor();
-	    if (!equalpos(curwin->w_cursor, pos))
+	    if (!EQUAL_POS(curwin->w_cursor, pos))
 	    {
 		EMSG(_(e_compldel));
 		return FAIL;
@@ -8947,7 +8947,7 @@
      * can't backup past starting point unless 'backspace' > 1
      * can backup to a previous line if 'backspace' == 0
      */
-    if (       bufempty()
+    if (       BUFEMPTY()
 	    || (
 #ifdef FEAT_RIGHTLEFT
 		!revins_on &&
@@ -9462,7 +9462,7 @@
     }
 # endif
 
-    if (!equalpos(curwin->w_cursor, tpos))
+    if (!EQUAL_POS(curwin->w_cursor, tpos))
     {
 	start_arrow(&tpos);
 # ifdef FEAT_CINDENT
diff --git a/src/evalfunc.c b/src/evalfunc.c
index c30b57b..7e03d4d 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -9552,20 +9552,20 @@
 
     save_cursor = curwin->w_cursor;
     pos = curwin->w_cursor;
-    clearpos(&firstpos);
-    clearpos(&foundpos);
+    CLEAR_POS(&firstpos);
+    CLEAR_POS(&foundpos);
     pat = pat3;
     for (;;)
     {
 	n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
 					   options, RE_SEARCH, lnum_stop, &tm);
-	if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
+	if (n == FAIL || (firstpos.lnum != 0 && EQUAL_POS(pos, firstpos)))
 	    /* didn't find it or found the first match again: FAIL */
 	    break;
 
 	if (firstpos.lnum == 0)
 	    firstpos = pos;
-	if (equalpos(pos, foundpos))
+	if (EQUAL_POS(pos, foundpos))
 	{
 	    /* Found the same position again.  Can happen with a pattern that
 	     * has "\zs" at the end and searching backwards.  Advance one
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index c38687d..05575ef 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -851,24 +851,41 @@
      * their final destination at the new text position -- webb
      */
     last_line = curbuf->b_ml.ml_line_count;
-    mark_adjust(line1, line2, last_line - line2, 0L);
-    changed_lines(last_line - num_lines + 1, 0, last_line + 1, num_lines);
+    mark_adjust_nofold(line1, line2, last_line - line2, 0L);
     if (dest >= line2)
     {
-	mark_adjust(line2 + 1, dest, -num_lines, 0L);
+	mark_adjust_nofold(line2 + 1, dest, -num_lines, 0L);
+#ifdef FEAT_FOLDING
+	win_T	    *win;
+	tabpage_T   *tp;
+
+	FOR_ALL_TAB_WINDOWS(tp, win) {
+	    if (win->w_buffer == curbuf)
+		foldSwapRange(&win->w_folds, line1, line2, dest + 1,
+			dest + num_lines);
+	}
+#endif
 	curbuf->b_op_start.lnum = dest - num_lines + 1;
 	curbuf->b_op_end.lnum = dest;
     }
     else
     {
-	mark_adjust(dest + 1, line1 - 1, num_lines, 0L);
+	mark_adjust_nofold(dest + 1, line1 - 1, num_lines, 0L);
+#ifdef FEAT_FOLDING
+	win_T	    *win;
+	tabpage_T   *tp;
+
+	FOR_ALL_TAB_WINDOWS(tp, win) {
+	    if (win->w_buffer == curbuf)
+		foldSwapRange(&win->w_folds, dest + 1, line1 - 1, line1, line2);
+	}
+#endif
 	curbuf->b_op_start.lnum = dest + 1;
 	curbuf->b_op_end.lnum = dest + num_lines;
     }
     curbuf->b_op_start.col = curbuf->b_op_end.col = 0;
-    mark_adjust(last_line - num_lines + 1, last_line,
+    mark_adjust_nofold(last_line - num_lines + 1, last_line,
 					     -(last_line - dest - extra), 0L);
-    changed_lines(last_line - num_lines + 1, 0, last_line + 1, -extra);
 
     /*
      * Now we delete the original text -- webb
@@ -4211,7 +4228,7 @@
 
 	/* If autocommands change the cursor position or topline, we should
 	 * keep it.  Also when it moves within a line. */
-	if (!equalpos(curwin->w_cursor, orig_pos))
+	if (!EQUAL_POS(curwin->w_cursor, orig_pos))
 	{
 	    newlnum = curwin->w_cursor.lnum;
 	    newcol = curwin->w_cursor.col;
diff --git a/src/ex_getln.c b/src/ex_getln.c
index 9180319..d3fda24 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -234,7 +234,7 @@
 
     ccline.overstrike = FALSE;		    /* always start in insert mode */
 #ifdef FEAT_SEARCH_EXTRA
-    clearpos(&match_end);
+    CLEAR_POS(&match_end);
     save_cursor = curwin->w_cursor;	    /* may be restored later */
     search_start = curwin->w_cursor;
     old_curswant = curwin->w_curswant;
@@ -1479,7 +1479,7 @@
 		    if (did_incsearch)
 		    {
 			curwin->w_cursor = match_end;
-			if (!equalpos(curwin->w_cursor, search_start))
+			if (!EQUAL_POS(curwin->w_cursor, search_start))
 			{
 			    c = gchar_cursor();
 			    /* If 'ignorecase' and 'smartcase' are set and the
@@ -1707,7 +1707,7 @@
 			    search_start = t;
 			    (void)decl(&search_start);
 			}
-			if (lt(t, search_start) && c == Ctrl_G)
+			if (LT_POS(t, search_start) && c == Ctrl_G)
 			{
 			    /* wrap around */
 			    search_start = t;
@@ -2007,7 +2007,7 @@
 	    curwin->w_cursor = save_cursor;
 	else
 	{
-	    if (!equalpos(save_cursor, search_start))
+	    if (!EQUAL_POS(save_cursor, search_start))
 	    {
 		/* put the '" mark at the original position */
 		curwin->w_cursor = save_cursor;
diff --git a/src/fileio.c b/src/fileio.c
index 2001c0d..48955e0 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7118,7 +7118,7 @@
 	 * the old contents.  Can't use memory only, the file might be
 	 * too big.  Use a hidden buffer to move the buffer contents to.
 	 */
-	if (bufempty() || saved == FAIL)
+	if (BUFEMPTY() || saved == FAIL)
 	    savebuf = NULL;
 	else
 	{
@@ -7161,7 +7161,7 @@
 		{
 		    /* Put the text back from the save buffer.  First
 		     * delete any lines that readfile() added. */
-		    while (!bufempty())
+		    while (!BUFEMPTY())
 			if (ml_delete(buf->b_ml.ml_line_count, FALSE) == FAIL)
 			    break;
 		    (void)move_lines(savebuf, buf);
diff --git a/src/fold.c b/src/fold.c
index d75e937..db8da63 100644
--- a/src/fold.c
+++ b/src/fold.c
@@ -1039,7 +1039,7 @@
     if (!VIsual_active || !hasAnyFolding(curwin))
 	return;
 
-    if (ltoreq(VIsual, curwin->w_cursor))
+    if (LTOREQ_POS(VIsual, curwin->w_cursor))
     {
 	start = &VIsual;
 	end = &curwin->w_cursor;
diff --git a/src/gui.c b/src/gui.c
index 203035f..36d6975 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -4476,7 +4476,7 @@
 	pum_redraw();
 #endif
 
-    return (wp == curwin && !equalpos(curwin->w_cursor, old_cursor));
+    return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor));
 }
 
 
@@ -5118,7 +5118,7 @@
 		curwin->w_p_cole > 0
 # endif
 		)
-		     && !equalpos(last_cursormoved, curwin->w_cursor))
+		     && !EQUAL_POS(last_cursormoved, curwin->w_cursor))
     {
 # ifdef FEAT_AUTOCMD
 	if (has_cursormoved())
diff --git a/src/gui_beval.c b/src/gui_beval.c
index dd61945..c06e75a 100644
--- a/src/gui_beval.c
+++ b/src/gui_beval.c
@@ -84,7 +84,7 @@
 	    result = eval_to_string(bexpr, NULL, TRUE);
 
 	    /* Remove one trailing newline, it is added when the result was a
-	     * list and it's hardly every useful.  If the user really wants a
+	     * list and it's hardly ever useful.  If the user really wants a
 	     * trailing newline he can add two and one remains. */
 	    if (result != NULL)
 	    {
@@ -366,7 +366,7 @@
 
 		    if (VIsual_active)
 		    {
-			if (lt(VIsual, curwin->w_cursor))
+			if (LT_POS(VIsual, curwin->w_cursor))
 			{
 			    spos = &VIsual;
 			    epos = &curwin->w_cursor;
diff --git a/src/if_perl.xs b/src/if_perl.xs
index ecb9726..076c5c6 100644
--- a/src/if_perl.xs
+++ b/src/if_perl.xs
@@ -1288,7 +1288,7 @@
     linenr_T	i;
     buf_T	*was_curbuf = curbuf;
 
-    if (bufempty())
+    if (BUFEMPTY())
 	return;
 
     if (perl_interp == NULL)
diff --git a/src/macros.h b/src/macros.h
index faa8ccc..559a4be 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -11,46 +11,46 @@
  */
 
 /*
- * pchar(lp, c) - put character 'c' at position 'lp'
+ * PCHAR(lp, c) - put character 'c' at position 'lp'
  */
-#define pchar(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c))
+#define PCHAR(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c))
 
 /*
  * Position comparisons
  */
 #ifdef FEAT_VIRTUALEDIT
-# define lt(a, b) (((a).lnum != (b).lnum) \
+# define LT_POS(a, b) (((a).lnum != (b).lnum) \
 		   ? (a).lnum < (b).lnum \
 		   : (a).col != (b).col \
 		       ? (a).col < (b).col \
 		       : (a).coladd < (b).coladd)
-# define ltp(a, b) (((a)->lnum != (b)->lnum) \
+# define LT_POSP(a, b) (((a)->lnum != (b)->lnum) \
 		   ? (a)->lnum < (b)->lnum \
 		   : (a)->col != (b)->col \
 		       ? (a)->col < (b)->col \
 		       : (a)->coladd < (b)->coladd)
-# define equalpos(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && ((a).coladd == (b).coladd))
-# define clearpos(a) {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0;}
+# define EQUAL_POS(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && ((a).coladd == (b).coladd))
+# define CLEAR_POS(a) {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0;}
 #else
-# define lt(a, b) (((a).lnum != (b).lnum) \
+# define LT_POS(a, b) (((a).lnum != (b).lnum) \
 		   ? ((a).lnum < (b).lnum) : ((a).col < (b).col))
-# define ltp(a, b) (((a)->lnum != (b)->lnum) \
+# define LT_POSP(a, b) (((a)->lnum != (b)->lnum) \
 		   ? ((a)->lnum < (b)->lnum) : ((a)->col < (b)->col))
-# define equalpos(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col))
-# define clearpos(a) {(a)->lnum = 0; (a)->col = 0;}
+# define EQUAL_POS(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col))
+# define CLEAR_POS(a) {(a)->lnum = 0; (a)->col = 0;}
 #endif
 
-#define ltoreq(a, b) (lt(a, b) || equalpos(a, b))
+#define LTOREQ_POS(a, b) (LT_POS(a, b) || EQUAL_POS(a, b))
 
 /*
- * lineempty() - return TRUE if the line is empty
+ * LINEEMPTY() - return TRUE if the line is empty
  */
-#define lineempty(p) (*ml_get(p) == NUL)
+#define LINEEMPTY(p) (*ml_get(p) == NUL)
 
 /*
- * bufempty() - return TRUE if the current buffer is empty
+ * BUFEMPTY() - return TRUE if the current buffer is empty
  */
-#define bufempty() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == NUL)
+#define BUFEMPTY() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == NUL)
 
 /*
  * toupper() and tolower() that use the current locale.
diff --git a/src/main.c b/src/main.c
index 2f8d291..f96bca9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1144,7 +1144,7 @@
 # endif
 			)
 # ifdef FEAT_AUTOCMD
-		 && !equalpos(last_cursormoved, curwin->w_cursor)
+		 && !EQUAL_POS(last_cursormoved, curwin->w_cursor)
 # endif
 		 )
 	    {
@@ -3557,8 +3557,11 @@
 			   && vim_FullName(argv0, buf, MAXPATHL, TRUE) != FAIL)
 	    val = buf;
     }
+#  endif
 # endif
+
     set_vim_var_string(VV_PROGPATH, val, -1);
+
 # ifdef WIN32
     vim_free(path);
 # endif
diff --git a/src/mark.c b/src/mark.c
index 59ac01d..0265160 100644
--- a/src/mark.c
+++ b/src/mark.c
@@ -206,7 +206,7 @@
 checkpcmark(void)
 {
     if (curwin->w_prev_pcmark.lnum != 0
-	    && (equalpos(curwin->w_pcmark, curwin->w_cursor)
+	    && (EQUAL_POS(curwin->w_pcmark, curwin->w_cursor)
 		|| curwin->w_pcmark.lnum == 0))
     {
 	curwin->w_pcmark = curwin->w_prev_pcmark;
@@ -401,7 +401,7 @@
     {
 	startp = &buf->b_visual.vi_start;
 	endp = &buf->b_visual.vi_end;
-	if (((c == '<') == lt(*startp, *endp) || endp->lnum == 0)
+	if (((c == '<') == LT_POS(*startp, *endp) || endp->lnum == 0)
 							  && startp->lnum != 0)
 	    posp = startp;
 	else
@@ -497,14 +497,14 @@
 	{
 	    if (dir == FORWARD)
 	    {
-		if ((result == NULL || lt(curbuf->b_namedm[i], *result))
-			&& lt(pos, curbuf->b_namedm[i]))
+		if ((result == NULL || LT_POS(curbuf->b_namedm[i], *result))
+			&& LT_POS(pos, curbuf->b_namedm[i]))
 		    result = &curbuf->b_namedm[i];
 	    }
 	    else
 	    {
-		if ((result == NULL || lt(*result, curbuf->b_namedm[i]))
-			&& lt(curbuf->b_namedm[i], pos))
+		if ((result == NULL || LT_POS(*result, curbuf->b_namedm[i]))
+			&& LT_POS(curbuf->b_namedm[i], pos))
 		    result = &curbuf->b_namedm[i];
 	    }
 	}
@@ -1063,7 +1063,7 @@
 	one_adjust(&(curbuf->b_last_change.lnum));
 
 	/* last cursor position, if it was set */
-	if (!equalpos(curbuf->b_last_cursor, initpos))
+	if (!EQUAL_POS(curbuf->b_last_cursor, initpos))
 	    one_adjust(&(curbuf->b_last_cursor.lnum));
 
 
@@ -1838,7 +1838,8 @@
     for (i = 0; i < buf->b_changelistlen; ++i)
     {
 	/* skip duplicates */
-	if (i == 0 || !equalpos(buf->b_changelist[i - 1], buf->b_changelist[i]))
+	if (i == 0 || !EQUAL_POS(buf->b_changelist[i - 1],
+							 buf->b_changelist[i]))
 	    write_one_mark(fp_out, '+', &buf->b_changelist[i]);
     }
 #endif
diff --git a/src/misc1.c b/src/misc1.c
index c6b8d13..e862219 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -5272,7 +5272,8 @@
 
     /* If comment_pos is before rs_pos the raw string is inside the comment.
      * If rs_pos is before comment_pos the comment is inside the raw string. */
-    if (comment_pos == NULL || (rs_pos != NULL && lt(*rs_pos, *comment_pos)))
+    if (comment_pos == NULL || (rs_pos != NULL
+					     && LT_POS(*rs_pos, *comment_pos)))
 	return rs_pos;
     return comment_pos;
 }
@@ -7217,7 +7218,8 @@
 	comment_pos = &tryposCopy;
     }
     trypos = find_start_rawstring(curbuf->b_ind_maxcomment);
-    if (trypos != NULL && (comment_pos == NULL || lt(*trypos, *comment_pos)))
+    if (trypos != NULL && (comment_pos == NULL
+					     || LT_POS(*trypos, *comment_pos)))
     {
 	amount = -1;
 	goto laterend;
@@ -9352,7 +9354,7 @@
     {
 	paren = *pos;
 	pos = findmatch(NULL, '[');
-	if (pos == NULL || ltp(pos, &paren))
+	if (pos == NULL || LT_POSP(pos, &paren))
 	    pos = &paren;
     }
     if (pos != NULL)
diff --git a/src/move.c b/src/move.c
index c4f21a7..3d6d2ec 100644
--- a/src/move.c
+++ b/src/move.c
@@ -210,7 +210,7 @@
     /*
      * If the buffer is empty, always set topline to 1.
      */
-    if (bufempty())		/* special case - file is empty */
+    if (BUFEMPTY())		/* special case - file is empty */
     {
 	if (curwin->w_topline != 1)
 	    redraw_later(NOT_VALID);
diff --git a/src/normal.c b/src/normal.c
index c8385f6..7701fcf 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -1540,7 +1540,7 @@
 	    if (VIsual_select && VIsual_mode == 'V'
 					    && cap->oap->op_type != OP_DELETE)
 	    {
-		if (lt(VIsual, curwin->w_cursor))
+		if (LT_POS(VIsual, curwin->w_cursor))
 		{
 		    VIsual.col = 0;
 		    curwin->w_cursor.col =
@@ -1572,7 +1572,7 @@
 	 * Set oap->start to the first position of the operated text, oap->end
 	 * to the end of the operated text.  w_cursor is equal to oap->start.
 	 */
-	if (lt(oap->start, curwin->w_cursor))
+	if (LT_POS(oap->start, curwin->w_cursor))
 	{
 #ifdef FEAT_FOLDING
 	    /* Include folded lines completely. */
@@ -1776,7 +1776,7 @@
 		    && (!oap->inclusive
 			|| (oap->op_type == OP_YANK
 			    && gchar_pos(&oap->end) == NUL))
-		    && equalpos(oap->start, oap->end)
+		    && EQUAL_POS(oap->start, oap->end)
 #ifdef FEAT_VIRTUALEDIT
 		    && !(virtual_op && oap->start.coladd != oap->end.coladd)
 #endif
@@ -2683,12 +2683,12 @@
 			    jump_flags = MOUSE_MAY_STOP_VIS;
 			else
 			{
-			    if ((lt(curwin->w_cursor, VIsual)
-					&& (lt(m_pos, curwin->w_cursor)
-					    || lt(VIsual, m_pos)))
-				    || (lt(VIsual, curwin->w_cursor)
-					&& (lt(m_pos, VIsual)
-					    || lt(curwin->w_cursor, m_pos))))
+			    if ((LT_POS(curwin->w_cursor, VIsual)
+					&& (LT_POS(m_pos, curwin->w_cursor)
+					    || LT_POS(VIsual, m_pos)))
+				    || (LT_POS(VIsual, curwin->w_cursor)
+					&& (LT_POS(m_pos, VIsual)
+					  || LT_POS(curwin->w_cursor, m_pos))))
 			    {
 				jump_flags = MOUSE_MAY_STOP_VIS;
 			    }
@@ -2754,7 +2754,7 @@
 		 * Remember the start and end of visual before moving the
 		 * cursor.
 		 */
-		if (lt(curwin->w_cursor, VIsual))
+		if (LT_POS(curwin->w_cursor, VIsual))
 		{
 		    start_visual = curwin->w_cursor;
 		    end_visual = VIsual;
@@ -2891,9 +2891,9 @@
 	     * If the click is after the end of visual, change the end.  If
 	     * the click is inside the visual, change the closest side.
 	     */
-	    if (lt(curwin->w_cursor, start_visual))
+	    if (LT_POS(curwin->w_cursor, start_visual))
 		VIsual = end_visual;
-	    else if (lt(end_visual, curwin->w_cursor))
+	    else if (LT_POS(end_visual, curwin->w_cursor))
 		VIsual = start_visual;
 	    else
 	    {
@@ -3097,7 +3097,7 @@
 		if (oap != NULL
 			&& VIsual_mode == 'v'
 			&& !vim_iswordc(gchar_pos(&end_visual))
-			&& equalpos(curwin->w_cursor, VIsual)
+			&& EQUAL_POS(curwin->w_cursor, VIsual)
 			&& (pos = findmatch(oap, NUL)) != NULL)
 		{
 		    curwin->w_cursor = *pos;
@@ -3105,7 +3105,7 @@
 			VIsual_mode = 'V';
 		    else if (*p_sel == 'e')
 		    {
-			if (lt(curwin->w_cursor, VIsual))
+			if (LT_POS(curwin->w_cursor, VIsual))
 			    ++VIsual.col;
 			else
 			    ++curwin->w_cursor.col;
@@ -3117,7 +3117,7 @@
 	    {
 		/* When not found a match or when dragging: extend to include
 		 * a word. */
-		if (lt(curwin->w_cursor, orig_cursor))
+		if (LT_POS(curwin->w_cursor, orig_cursor))
 		{
 		    find_start_of_word(&curwin->w_cursor);
 		    find_end_of_word(&VIsual);
@@ -3745,7 +3745,7 @@
 
     if (VIsual_active && !char_avail())
     {
-	int		cursor_bot = lt(VIsual, curwin->w_cursor);
+	int		cursor_bot = LT_POS(VIsual, curwin->w_cursor);
 	long		lines;
 	colnr_T		leftcol, rightcol;
 	linenr_T	top, bot;
@@ -4353,7 +4353,7 @@
     curwin->w_cursor.col = 0;
 
     /* Search forward for the identifier, ignore comment lines. */
-    clearpos(&found_pos);
+    CLEAR_POS(&found_pos);
     for (;;)
     {
 	valid = FALSE;
@@ -4419,13 +4419,10 @@
 	 * declarations this skips the function header without types. */
 	if (!valid)
 	{
-	    /* Braces needed due to macro expansion of clearpos. */
-	    clearpos(&found_pos);
+	    CLEAR_POS(&found_pos);
 	}
 	else
-	{
 	    found_pos = curwin->w_cursor;
-	}
 	/* Remove SEARCH_START from flags to avoid getting stuck at one
 	 * position. */
 	searchflags &= ~SEARCH_START;
@@ -5834,7 +5831,7 @@
     }
     else
     {
-	if (lt(curwin->w_cursor, VIsual))
+	if (LT_POS(curwin->w_cursor, VIsual))
 	{
 	    *pp = ml_get_pos(&curwin->w_cursor);
 	    *lenp = VIsual.col - curwin->w_cursor.col + 1;
@@ -6020,7 +6017,7 @@
 		 * included, move to next line after that */
 		if (	   cap->oap->op_type != OP_NOP
 			&& !cap->oap->inclusive
-			&& !lineempty(curwin->w_cursor.lnum))
+			&& !LINEEMPTY(curwin->w_cursor.lnum))
 		    cap->oap->inclusive = TRUE;
 		else
 		{
@@ -6042,7 +6039,7 @@
 	    }
 	    else
 	    {
-		if (!lineempty(curwin->w_cursor.lnum))
+		if (!LINEEMPTY(curwin->w_cursor.lnum))
 		    cap->oap->inclusive = TRUE;
 	    }
 	    break;
@@ -6121,7 +6118,7 @@
 		 * Don't adjust op_end now, otherwise it won't work. */
 		if (	   (cap->oap->op_type == OP_DELETE
 			    || cap->oap->op_type == OP_CHANGE)
-			&& !lineempty(curwin->w_cursor.lnum))
+			&& !LINEEMPTY(curwin->w_cursor.lnum))
 		{
 		    char_u *cp = ml_get_cursor();
 
@@ -6333,7 +6330,7 @@
     }
 
     (void)normal_search(cap, cap->cmdchar, cap->searchbuf,
-			(cap->arg || !equalpos(save_cursor, curwin->w_cursor))
+			(cap->arg || !EQUAL_POS(save_cursor, curwin->w_cursor))
 							   ? 0 : SEARCH_MARK);
 }
 
@@ -6347,7 +6344,7 @@
     pos_T old = curwin->w_cursor;
     int   i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
 
-    if (i == 1 && equalpos(old, curwin->w_cursor))
+    if (i == 1 && EQUAL_POS(old, curwin->w_cursor))
     {
 	/* Avoid getting stuck on the current cursor position, which can
 	 * happen when an offset is given and the cursor is on the last char
@@ -6689,9 +6686,9 @@
 
 	    if (VIsual_active)
 	    {
-		start = ltoreq(VIsual, curwin->w_cursor)
+		start = LTOREQ_POS(VIsual, curwin->w_cursor)
 						  ? VIsual : curwin->w_cursor;
-		end =  equalpos(start,VIsual) ? curwin->w_cursor : VIsual;
+		end =  EQUAL_POS(start,VIsual) ? curwin->w_cursor : VIsual;
 		curwin->w_cursor = (dir == BACKWARD ? start : end);
 	    }
 # ifdef FEAT_CLIPBOARD
@@ -7315,7 +7312,7 @@
     if (checkclearopq(cap->oap))
 	return;
 
-    if (lineempty(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
+    if (LINEEMPTY(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
     {
 	clearopbeep(cap->oap);
 	return;
@@ -7559,7 +7556,7 @@
 #ifdef FEAT_FOLDING
     if (cap->oap->op_type == OP_NOP
 	    && pos != NULL
-	    && (pos == (pos_T *)-1 || !equalpos(old_cursor, *pos))
+	    && (pos == (pos_T *)-1 || !EQUAL_POS(old_cursor, *pos))
 	    && (fdo_flags & FDO_MARK)
 	    && old_KeyTyped)
 	foldOpenCursor();
@@ -8763,7 +8760,7 @@
 
     /* Don't leave the cursor on the NUL past the end of line. Unless we
      * didn't move it forward. */
-    if (lt(startpos, curwin->w_cursor))
+    if (LT_POS(startpos, curwin->w_cursor))
 	adjust_cursor(cap->oap);
 
     if (n == FAIL && cap->oap->op_type == OP_NOP)
@@ -8833,7 +8830,7 @@
 adjust_for_sel(cmdarg_T *cap)
 {
     if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
-	    && gchar_cursor() != NUL && lt(VIsual, curwin->w_cursor))
+	    && gchar_cursor() != NUL && LT_POS(VIsual, curwin->w_cursor))
     {
 #ifdef FEAT_MBYTE
 	if (has_mbyte)
@@ -8855,9 +8852,9 @@
 {
     pos_T	*pp;
 
-    if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor))
+    if (*p_sel == 'e' && !EQUAL_POS(VIsual, curwin->w_cursor))
     {
-	if (lt(VIsual, curwin->w_cursor))
+	if (LT_POS(VIsual, curwin->w_cursor))
 	    pp = &curwin->w_cursor;
 	else
 	    pp = &VIsual;
@@ -9071,8 +9068,8 @@
 
 	/* When the last char in the line was deleted then append. Detect this
 	 * by checking if the cursor moved to before the Visual area. */
-	if (*ml_get_cursor() != NUL && lt(curwin->w_cursor, old_pos)
-					   && lt(curwin->w_cursor, old_visual))
+	if (*ml_get_cursor() != NUL && LT_POS(curwin->w_cursor, old_pos)
+				       && LT_POS(curwin->w_cursor, old_visual))
 	    inc_cursor();
 
 	/* Insert to replace the deleted text with the pasted text. */
diff --git a/src/ops.c b/src/ops.c
index 757c115..8b883aa 100644
--- a/src/ops.c
+++ b/src/ops.c
@@ -2190,7 +2190,7 @@
 	else if (!oap->inclusive)
 	    dec(&(oap->end));
 
-	while (ltoreq(curwin->w_cursor, oap->end))
+	while (LTOREQ_POS(curwin->w_cursor, oap->end))
 	{
 	    n = gchar_cursor();
 	    if (n != NUL)
@@ -2229,7 +2229,7 @@
 			    getvpos(&oap->end, end_vcol);
 		    }
 #endif
-		    pchar(curwin->w_cursor, c);
+		    PCHAR(curwin->w_cursor, c);
 		}
 	    }
 #ifdef FEAT_VIRTUALEDIT
@@ -2248,7 +2248,7 @@
 		curwin->w_cursor.col -= (virtcols + 1);
 		for (; virtcols >= 0; virtcols--)
 		{
-		    pchar(curwin->w_cursor, c);
+		    PCHAR(curwin->w_cursor, c);
 		    if (inc(&curwin->w_cursor) == -1)
 			break;
 		}
@@ -2338,7 +2338,7 @@
 		did_change |= swapchars(oap->op_type, &pos,
 				pos.lnum == oap->end.lnum ? oap->end.col + 1:
 					   (int)STRLEN(ml_get_pos(&pos)));
-		if (ltoreq(oap->end, pos) || inc(&pos) == -1)
+		if (LTOREQ_POS(oap->end, pos) || inc(&pos) == -1)
 		    break;
 	    }
 	if (did_change)
@@ -2490,7 +2490,7 @@
 	}
 	else
 #endif
-	    pchar(*pos, nc);
+	    PCHAR(*pos, nc);
 	return TRUE;
     }
     return FALSE;
@@ -2575,7 +2575,7 @@
 	    check_cursor_col();
 
 	    /* Works just like an 'i'nsert on the next character. */
-	    if (!lineempty(curwin->w_cursor.lnum)
+	    if (!LINEEMPTY(curwin->w_cursor.lnum)
 		    && oap->start_vcol != oap->end_vcol)
 		inc_cursor();
 	}
@@ -2588,7 +2588,7 @@
      * have been converted to a tab as well, the column of the cursor
      * might have actually been reduced, so need to adjust here. */
     if (t1.lnum == curbuf->b_op_start_orig.lnum
-	    && lt(curbuf->b_op_start_orig, t1))
+	    && LT_POS(curbuf->b_op_start_orig, t1))
 	oap->start = curbuf->b_op_start_orig;
 
     /* If user has moved off this line, we don't know what to do, so do
@@ -2735,7 +2735,7 @@
     else if (op_delete(oap) == FAIL)
 	return FALSE;
 
-    if ((l > curwin->w_cursor.col) && !lineempty(curwin->w_cursor.lnum)
+    if ((l > curwin->w_cursor.col) && !LINEEMPTY(curwin->w_cursor.lnum)
 							 && !virtual_op)
 	inc_cursor();
 
@@ -3519,7 +3519,7 @@
 	    ++lnum;
 	/* In an empty buffer the empty line is going to be replaced, include
 	 * it in the saved lines. */
-	if ((bufempty() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL)
+	if ((BUFEMPTY() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL)
 	    goto end;
 #ifdef FEAT_FOLDING
 	if (dir == FORWARD)
@@ -4936,7 +4936,7 @@
 		    && prev_is_end_par
 		    && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
 	    {
-		if (do_second_indent && !lineempty(curwin->w_cursor.lnum + 1))
+		if (do_second_indent && !LINEEMPTY(curwin->w_cursor.lnum + 1))
 		{
 #ifdef FEAT_COMMENTS
 		    if (leader_len == 0 && next_leader_len == 0)
@@ -7237,7 +7237,7 @@
 
 	if (VIsual_active)
 	{
-	    if (lt(VIsual, curwin->w_cursor))
+	    if (LT_POS(VIsual, curwin->w_cursor))
 	    {
 		min_pos = VIsual;
 		max_pos = curwin->w_cursor;
diff --git a/src/option.c b/src/option.c
index 2e2f0f1..2c4b1c2 100644
--- a/src/option.c
+++ b/src/option.c
@@ -4170,7 +4170,7 @@
     }
 #endif
 
-    if (bufempty())
+    if (BUFEMPTY())
     {
 	int idx_ffs = findoption((char_u *)"ffs");
 
diff --git a/src/popupmnu.c b/src/popupmnu.c
index 307dbbe..fc5e1c3 100644
--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -590,7 +590,7 @@
 			&& curbuf->b_p_bh[0] == 'w')
 		{
 		    /* Already a "wipeout" buffer, make it empty. */
-		    while (!bufempty())
+		    while (!BUFEMPTY())
 			ml_delete((linenr_T)1, FALSE);
 		}
 		else
diff --git a/src/regexp.c b/src/regexp.c
index 78d6431..b33c08b 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -4150,7 +4150,7 @@
 
     if (VIsual_active)
     {
-	if (lt(VIsual, wp->w_cursor))
+	if (LT_POS(VIsual, wp->w_cursor))
 	{
 	    top = VIsual;
 	    bot = wp->w_cursor;
@@ -4164,7 +4164,7 @@
     }
     else
     {
-	if (lt(curbuf->b_visual.vi_start, curbuf->b_visual.vi_end))
+	if (LT_POS(curbuf->b_visual.vi_start, curbuf->b_visual.vi_end))
 	{
 	    top = curbuf->b_visual.vi_start;
 	    bot = curbuf->b_visual.vi_end;
diff --git a/src/screen.c b/src/screen.c
index 564eba3..306308b 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -2714,7 +2714,7 @@
      */
     if (VIsual_active && wp->w_buffer == curwin->w_buffer)
     {
-	if (ltoreq(curwin->w_cursor, VIsual))
+	if (LTOREQ_POS(curwin->w_cursor, VIsual))
 	{
 	    /* Visual is after curwin->w_cursor */
 	    top = &curwin->w_cursor;
@@ -3170,7 +3170,7 @@
     if (VIsual_active && wp->w_buffer == curwin->w_buffer)
     {
 					/* Visual is after curwin->w_cursor */
-	if (ltoreq(curwin->w_cursor, VIsual))
+	if (LTOREQ_POS(curwin->w_cursor, VIsual))
 	{
 	    top = &curwin->w_cursor;
 	    bot = &VIsual;
diff --git a/src/search.c b/src/search.c
index f4a5c6d..101bcff 100644
--- a/src/search.c
+++ b/src/search.c
@@ -2100,7 +2100,7 @@
 
     do_quotes = -1;
     start_in_quotes = MAYBE;
-    clearpos(&match_pos);
+    CLEAR_POS(&match_pos);
 
     /* backward search: Check if this line contains a single-line comment */
     if ((backwards && comment_dir)
@@ -2720,7 +2720,7 @@
 	    if (decl(&pos) == -1)
 		break;
 	    /* when going forward: Stop in front of empty line */
-	    if (lineempty(pos.lnum) && dir == FORWARD)
+	    if (LINEEMPTY(pos.lnum) && dir == FORWARD)
 	    {
 		incl(&pos);
 		goto found;
@@ -3082,7 +3082,7 @@
 	    while (cls() == 0)
 	    {
 		if (curwin->w_cursor.col == 0
-				      && lineempty(curwin->w_cursor.lnum))
+				      && LINEEMPTY(curwin->w_cursor.lnum))
 		    goto finished;
 		if (dec_cursor() == -1) /* hit start of file, stop here */
 		    return OK;
@@ -3163,7 +3163,7 @@
 	    while (cls() == 0)
 	    {
 		if (empty && curwin->w_cursor.col == 0
-					  && lineempty(curwin->w_cursor.lnum))
+					  && LINEEMPTY(curwin->w_cursor.lnum))
 		    goto finished;
 		if (inc_cursor() == -1)	    /* hit end of file, stop here */
 		    return FAIL;
@@ -3223,7 +3223,7 @@
 	 */
 	while (cls() == 0)
 	{
-	    if (curwin->w_cursor.col == 0 && lineempty(curwin->w_cursor.lnum))
+	    if (curwin->w_cursor.col == 0 && LINEEMPTY(curwin->w_cursor.lnum))
 		break;
 	    if ((i = dec_cursor()) == -1 || (eol && i == 1))
 		return OK;
@@ -3320,17 +3320,17 @@
     int		include_white = FALSE;
 
     cls_bigword = bigword;
-    clearpos(&start_pos);
+    CLEAR_POS(&start_pos);
 
     /* Correct cursor when 'selection' is exclusive */
-    if (VIsual_active && *p_sel == 'e' && lt(VIsual, curwin->w_cursor))
+    if (VIsual_active && *p_sel == 'e' && LT_POS(VIsual, curwin->w_cursor))
 	dec_cursor();
 
     /*
      * When Visual mode is not active, or when the VIsual area is only one
      * character, select the word and/or white space under the cursor.
      */
-    if (!VIsual_active || equalpos(curwin->w_cursor, VIsual))
+    if (!VIsual_active || EQUAL_POS(curwin->w_cursor, VIsual))
     {
 	/*
 	 * Go to start of current word or white space.
@@ -3387,7 +3387,7 @@
     while (count > 0)
     {
 	inclusive = TRUE;
-	if (VIsual_active && lt(curwin->w_cursor, VIsual))
+	if (VIsual_active && LT_POS(curwin->w_cursor, VIsual))
 	{
 	    /*
 	     * In Visual mode, with cursor at start: move cursor back.
@@ -3463,7 +3463,7 @@
 
     if (VIsual_active)
     {
-	if (*p_sel == 'e' && inclusive && ltoreq(VIsual, curwin->w_cursor))
+	if (*p_sel == 'e' && inclusive && LTOREQ_POS(VIsual, curwin->w_cursor))
 	    inc_cursor();
 	if (VIsual_mode == 'V')
 	{
@@ -3498,10 +3498,10 @@
     /*
      * When the Visual area is bigger than one character: Extend it.
      */
-    if (VIsual_active && !equalpos(start_pos, VIsual))
+    if (VIsual_active && !EQUAL_POS(start_pos, VIsual))
     {
 extend:
-	if (lt(start_pos, VIsual))
+	if (LT_POS(start_pos, VIsual))
 	{
 	    /*
 	     * Cursor at start of Visual area.
@@ -3512,7 +3512,7 @@
 	     */
 	    at_start_sent = TRUE;
 	    decl(&pos);
-	    while (lt(pos, curwin->w_cursor))
+	    while (LT_POS(pos, curwin->w_cursor))
 	    {
 		c = gchar_pos(&pos);
 		if (!vim_iswhite(c))
@@ -3525,7 +3525,7 @@
 	    if (!at_start_sent)
 	    {
 		findsent(BACKWARD, 1L);
-		if (equalpos(curwin->w_cursor, start_pos))
+		if (EQUAL_POS(curwin->w_cursor, start_pos))
 		    at_start_sent = TRUE;  /* exactly at start of sentence */
 		else
 		    /* inside a sentence, go to its end (start of next) */
@@ -3554,10 +3554,11 @@
 	     */
 	    incl(&pos);
 	    at_start_sent = TRUE;
-	    if (!equalpos(pos, curwin->w_cursor)) /* not just before a sentence */
+	    /* not just before a sentence */
+	    if (!EQUAL_POS(pos, curwin->w_cursor))
 	    {
 		at_start_sent = FALSE;
-		while (lt(pos, curwin->w_cursor))
+		while (LT_POS(pos, curwin->w_cursor))
 		{
 		    c = gchar_pos(&pos);
 		    if (!vim_iswhite(c))
@@ -3588,7 +3589,7 @@
      */
     while (c = gchar_pos(&pos), vim_iswhite(c))	/* vim_iswhite() is a macro */
 	incl(&pos);
-    if (equalpos(pos, curwin->w_cursor))
+    if (EQUAL_POS(pos, curwin->w_cursor))
     {
 	start_blank = TRUE;
 	find_first_blank(&start_pos);	/* go back to first blank */
@@ -3633,7 +3634,7 @@
     if (VIsual_active)
     {
 	/* Avoid getting stuck with "is" on a single space before a sentence. */
-	if (equalpos(start_pos, curwin->w_cursor))
+	if (EQUAL_POS(start_pos, curwin->w_cursor))
 	    goto extend;
 	if (*p_sel == 'e')
 	    ++curwin->w_cursor.col;
@@ -3682,7 +3683,7 @@
     /*
      * If we start on '(', '{', ')', '}', etc., use the whole block inclusive.
      */
-    if (!VIsual_active || equalpos(VIsual, curwin->w_cursor))
+    if (!VIsual_active || EQUAL_POS(VIsual, curwin->w_cursor))
     {
 	setpcmark();
 	if (what == '{')		/* ignore indent */
@@ -3693,7 +3694,7 @@
 	    /* cursor on '(' or '{', move cursor just after it */
 	    ++curwin->w_cursor.col;
     }
-    else if (lt(VIsual, curwin->w_cursor))
+    else if (LT_POS(VIsual, curwin->w_cursor))
     {
 	old_start = VIsual;
 	curwin->w_cursor = VIsual;	    /* cursor at low end of Visual */
@@ -3751,7 +3752,7 @@
 	 * In Visual mode, when the resulting area is not bigger than what we
 	 * started with, extend it to the next block, and then exclude again.
 	 */
-	if (!lt(start_pos, old_start) && !lt(old_end, curwin->w_cursor)
+	if (!LT_POS(start_pos, old_start) && !LT_POS(old_end, curwin->w_cursor)
 		&& VIsual_active)
 	{
 	    curwin->w_cursor = old_start;
@@ -3792,7 +3793,7 @@
 	oap->inclusive = FALSE;
 	if (sol)
 	    incl(&curwin->w_cursor);
-	else if (ltoreq(start_pos, curwin->w_cursor))
+	else if (LTOREQ_POS(start_pos, curwin->w_cursor))
 	    /* Include the character under the cursor. */
 	    oap->inclusive = TRUE;
 	else
@@ -3916,7 +3917,7 @@
     /*
      * If we start on "<aaa>" select that block.
      */
-    if (!VIsual_active || equalpos(VIsual, curwin->w_cursor))
+    if (!VIsual_active || EQUAL_POS(VIsual, curwin->w_cursor))
     {
 	setpcmark();
 
@@ -3942,7 +3943,7 @@
 	    old_end = curwin->w_cursor;
 	}
     }
-    else if (lt(VIsual, curwin->w_cursor))
+    else if (LT_POS(VIsual, curwin->w_cursor))
     {
 	old_start = VIsual;
 	curwin->w_cursor = VIsual;	    /* cursor at low end of Visual */
@@ -3999,7 +4000,7 @@
     vim_free(spat);
     vim_free(epat);
 
-    if (r < 1 || lt(curwin->w_cursor, old_end))
+    if (r < 1 || LT_POS(curwin->w_cursor, old_end))
     {
 	/* Can't find other end or it's before the previous end.  Could be a
 	 * HTML tag that doesn't have a matching end.  Search backwards for
@@ -4046,7 +4047,7 @@
 
 	/* If we now have the same text as before reset "do_include" and try
 	 * again. */
-	if (equalpos(start_pos, old_start) && equalpos(end_pos, old_end))
+	if (EQUAL_POS(start_pos, old_start) && EQUAL_POS(end_pos, old_end))
 	{
 	    do_include = TRUE;
 	    curwin->w_cursor = old_start;
@@ -4059,7 +4060,7 @@
     {
 	/* If the end is before the start there is no text between tags, select
 	 * the char under the cursor. */
-	if (lt(end_pos, start_pos))
+	if (LT_POS(end_pos, start_pos))
 	    curwin->w_cursor = start_pos;
 	else if (*p_sel == 'e')
 	    inc_cursor();
@@ -4072,7 +4073,7 @@
     {
 	oap->start = start_pos;
 	oap->motion_type = MCHAR;
-	if (lt(end_pos, start_pos))
+	if (LT_POS(end_pos, start_pos))
 	{
 	    /* End is before the start: there is no text between tags; operate
 	     * on an empty area. */
@@ -4362,10 +4363,10 @@
 	if (VIsual.lnum != curwin->w_cursor.lnum)
 	    return FALSE;
 
-	vis_bef_curs = lt(VIsual, curwin->w_cursor);
+	vis_bef_curs = LT_POS(VIsual, curwin->w_cursor);
 	if (*p_sel == 'e' && vis_bef_curs)
 	    dec_cursor();
-	vis_empty = equalpos(VIsual, curwin->w_cursor);
+	vis_empty = EQUAL_POS(VIsual, curwin->w_cursor);
     }
 
     if (!vis_empty)
@@ -4605,7 +4606,7 @@
     p_ws = FALSE;
 
     /* Correct cursor when 'selection' is exclusive */
-    if (VIsual_active && *p_sel == 'e' && lt(VIsual, curwin->w_cursor))
+    if (VIsual_active && *p_sel == 'e' && LT_POS(VIsual, curwin->w_cursor))
 	dec_cursor();
 
     if (VIsual_active)
@@ -4668,12 +4669,14 @@
 	}
 	else if (!i && !result)
 	{
-	    if (forward) /* try again from start of buffer */
+	    if (forward)
 	    {
-		clearpos(&pos);
+		/* try again from start of buffer */
+		CLEAR_POS(&pos);
 	    }
-	    else /* try again from end of buffer */
+	    else
 	    {
+		/* try again from end of buffer */
 		/* searching backwards, so set pos to last line and col */
 		pos.lnum = curwin->w_buffer->b_ml.ml_line_count;
 		pos.col  = (colnr_T)STRLEN(
@@ -4709,9 +4712,9 @@
 	if (*p_sel == 'e')
 	{
 	    /* Correction for exclusive selection depends on the direction. */
-	    if (forward && ltoreq(VIsual, curwin->w_cursor))
+	    if (forward && LTOREQ_POS(VIsual, curwin->w_cursor))
 		inc_cursor();
-	    else if (!forward && ltoreq(curwin->w_cursor, VIsual))
+	    else if (!forward && LTOREQ_POS(curwin->w_cursor, VIsual))
 		inc(&VIsual);
 	}
 
@@ -4764,7 +4767,9 @@
     regmatch.startpos[0].col = -1;
     /* move to match */
     if (move)
-	clearpos(&pos)
+    {
+	CLEAR_POS(&pos);
+    }
     else
     {
 	pos = curwin->w_cursor;
diff --git a/src/spell.c b/src/spell.c
index f124ef2..1e1f03f 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -1603,7 +1603,7 @@
      * though...
      */
     lnum = wp->w_cursor.lnum;
-    clearpos(&found_pos);
+    CLEAR_POS(&found_pos);
 
     while (!got_int)
     {
@@ -8545,7 +8545,7 @@
     set_option_value((char_u*)"spl",  dummy, spl, OPT_LOCAL);
     vim_free(spl);
 
-    if (!bufempty())
+    if (!BUFEMPTY())
 	return;
 
     spell_dump_compl(NULL, 0, NULL, eap->forceit ? DUMPFLAG_COUNT : 0);
diff --git a/src/tag.c b/src/tag.c
index 8621419..1dfe0a1 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -178,7 +178,7 @@
     free_string_option(nofile_fname);
     nofile_fname = NULL;
 
-    clearpos(&saved_fmark.mark);	/* shutup gcc 4.0 */
+    CLEAR_POS(&saved_fmark.mark);	/* shutup gcc 4.0 */
     saved_fmark.fnum = 0;
 
     /*
diff --git a/src/ui.c b/src/ui.c
index 4da79f0..d89c500 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -442,7 +442,7 @@
     /* If visual mode is only due to a redo command ("."), then ignore it */
     if (!redo_VIsual_busy && VIsual_active && (State & NORMAL))
     {
-	if (lt(VIsual, curwin->w_cursor))
+	if (LT_POS(VIsual, curwin->w_cursor))
 	{
 	    start = VIsual;
 	    end = curwin->w_cursor;
@@ -456,8 +456,8 @@
 	    start = curwin->w_cursor;
 	    end = VIsual;
 	}
-	if (!equalpos(clip->start, start)
-		|| !equalpos(clip->end, end)
+	if (!EQUAL_POS(clip->start, start)
+		|| !EQUAL_POS(clip->end, end)
 		|| clip->vmode != VIsual_mode)
 	{
 	    clip_clear_selection(clip);
diff --git a/src/undo.c b/src/undo.c
index 5b95379..833deca 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -2784,7 +2784,7 @@
 
     curhead->uh_entry = newlist;
     curhead->uh_flags = new_flags;
-    if ((old_flags & UH_EMPTYBUF) && bufempty())
+    if ((old_flags & UH_EMPTYBUF) && BUFEMPTY())
 	curbuf->b_ml.ml_flags |= ML_EMPTY;
     if (old_flags & UH_CHANGED)
 	changed();
@@ -3175,14 +3175,14 @@
 	if (STRCMP(ml_get_buf(curbuf, lnum, FALSE),
 						uep->ue_array[lnum - 1]) != 0)
 	{
-	    clearpos(&(uhp->uh_cursor));
+	    CLEAR_POS(&(uhp->uh_cursor));
 	    uhp->uh_cursor.lnum = lnum;
 	    return;
 	}
     if (curbuf->b_ml.ml_line_count != uep->ue_size)
     {
 	/* lines added or deleted at the end, put the cursor there */
-	clearpos(&(uhp->uh_cursor));
+	CLEAR_POS(&(uhp->uh_cursor));
 	uhp->uh_cursor.lnum = lnum;
     }
 }
diff --git a/src/version.c b/src/version.c
index caf1b64..7e4d0fe 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    448,
+/**/
     447,
 /**/
     446,
@@ -2091,7 +2093,7 @@
     void
 maybe_intro_message(void)
 {
-    if (bufempty()
+    if (BUFEMPTY()
 	    && curbuf->b_fname == NULL
 #ifdef FEAT_WINDOWS
 	    && firstwin->w_next == NULL
diff --git a/src/workshop.c b/src/workshop.c
index 0b9774f..844da85 100644
--- a/src/workshop.c
+++ b/src/workshop.c
@@ -1087,7 +1087,7 @@
     *curCol = curwin->w_cursor.col;
 
     if (curbuf->b_visual.vi_mode == 'v' &&
-	    equalpos(curwin->w_cursor, curbuf->b_visual.vi_end))
+	    EQUAL_POS(curwin->w_cursor, curbuf->b_visual.vi_end))
     {
 	*selStartLine = curbuf->b_visual.vi_start.lnum;
 	*selStartCol = curbuf->b_visual.vi_start.col;