* When moving left while the cursor is positioned over a multicolumn

character at the end of the line, the bell is rung now (Bugreport by
  Matthew Fischer).
* When moving up or down to a row with different column arrangement while
  the cursor is positioned over a multicolumn character, the leftmost
  character above the original position is chosen in the new row.

Changes

@@ -20,6 +20,12 @@ Release ...
 * A non-null exit status is now returned if a file could not be opened.
 * If the match for a substitution is of length zero, a line overflow is
   now avoided when compiled with the 'UNIX(R) Regular Expression Library'.
+* When moving left while the cursor is positioned over a multicolumn
+  character at the end of the line, the bell is rung now (Bugreport by
+  Matthew Fischer).
+* When moving up or down to a row with different column arrangement while
+  the cursor is positioned over a multicolumn character, the leftmost
+  character above the original position is chosen in the new row.
 
 Release 1/19/05
 * The last release erroneously made 'X' work like 'x' in visual mode. It now

ex_proto.h

@@ -70,7 +70,7 @@
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *	@(#)ex_proto.h	1.26 (gritter) 2/15/05
+ *	@(#)ex_proto.h	1.27 (gritter) 2/15/05
  */
 
 /*
@@ -259,6 +259,7 @@ extern int any(int, register char *);
 extern int backtab(register int);
 extern void change(void);
 extern int column(register char *);
+extern int lcolumn(register char *);
 extern void comment(void);
 extern void Copy(register char *, register char *, register int);
 extern void copyw(register line *, register line *, register int);

ex_put.c

@@ -73,7 +73,7 @@
 
 #ifndef	lint
 #ifdef	DOSCCS
-static char sccsid[] = "@(#)ex_put.c	1.30 (gritter) 2/15/05";
+static char sccsid[] = "@(#)ex_put.c	1.31 (gritter) 2/15/05";
 #endif
 #endif
 
@@ -745,11 +745,12 @@ dontcr:
 				((i=vtube[outline][outcol]) < ' ')
 #else
 				((i=vtube[outline][outcol]) == 0)
-					|| (i!=MULTICOL && !printable(i&~MULTICOL))
+					|| (i!=MULTICOL && !printable(i&~INVBIT&~MULTICOL))
 #endif
 				)
 				i = ' ';
-			if(i & QUOTE)	/* mjm: no sign extension on 3B */
+			if((i & (QUOTE|INVBIT)) == QUOTE) /* mjm: no sign
+							     extension on 3B */
 				i = ' ';
 			if ((insmode || i == MULTICOL) && ND)
 				tputs(ND, 0, plodput);

ex_subr.c

@@ -73,7 +73,7 @@
 
 #ifndef	lint
 #ifdef	DOSCCS
-static char sccsid[] = "@(#)ex_subr.c	1.36 (gritter) 2/15/05";
+static char sccsid[] = "@(#)ex_subr.c	1.37 (gritter) 2/15/05";
 #endif
 #endif
 
@@ -84,6 +84,8 @@ static char sccsid[] = "@(#)ex_subr.c	1.36 (gritter) 2/15/05";
 #include "ex_tty.h"
 #include "ex_vis.h"
 
+static short	lastsc;
+
 /*
  * Random routines, in alphabetical order.
  */
@@ -137,6 +139,12 @@ column(register char *cp)
 	return (qcolumn(cp, NULL));
 }
 
+int
+lcolumn(register char *cp)
+{
+	return column(cp) - (lastsc - 1);
+}
+
 /*
  * Ignore a comment to the end of the line.
  * This routine eats the trailing newline so don't call newline().
@@ -659,20 +667,19 @@ qcolumn(register char *lim, register char *gp)
 int 
 qcount(int c)
 {
-	int	sc;
-
 	if (c == '\t') {
 		vcntcol += value(TABSTOP) - vcntcol % value(TABSTOP);
+		lastsc = 1;
 		return c;
 	}
 	/*
 	 * Take account of filler characters inserted at the end of
 	 * the visual line if a multi-column character does not fit.
 	 */
-	sc = colsc(c);
-	while (vcntcol < WCOLS && vcntcol + sc - 1 >= WCOLS)
+	lastsc = colsc(c&TRIM&~MULTICOL);
+	while (vcntcol < WCOLS && vcntcol + lastsc - 1 >= WCOLS)
 		vcntcol++;
-	vcntcol += c & MULTICOL ? 1 : sc;
+	vcntcol += c & MULTICOL ? 1 : lastsc;
 	return c;
 }
 

ex_voper.c

@@ -73,7 +73,7 @@
 
 #ifndef	lint
 #ifdef	DOSCCS
-static char sccsid[] = "@(#)ex_voper.c	1.25 (gritter) 1/19/05";
+static char sccsid[] = "@(#)ex_voper.c	1.27 (gritter) 2/15/05";
 #endif
 #endif
 
@@ -586,7 +586,7 @@ errlab:
 	case CTRL('p'):
 		wdot = dot - cnt;
 		if (vmoving == 0)
-			vmoving = 1, vmovcol = column(cursor);
+			vmoving = 1, vmovcol = lcolumn(cursor);
 		wcursor = 0;
 		break;
 
@@ -635,7 +635,7 @@ errlab:
 	case NL:
 		wdot = dot + cnt;
 		if (vmoving == 0)
-			vmoving = 1, vmovcol = column(cursor);
+			vmoving = 1, vmovcol = lcolumn(cursor);
 		wcursor = 0;
 		break;
 
@@ -960,7 +960,7 @@ edge(void)
 	if (linebuf[0] == 0)
 		return (1);
 	if (dir == 1)
-		return (wcursor[1] == 0);
+		return (wcursor[skipright(linebuf, wcursor)] == 0);
 	else
 		return (wcursor == linebuf);
 }

ex_vput.c

@@ -73,7 +73,7 @@
 
 #ifndef	lint
 #ifdef	DOSCCS
-static char sccsid[] = "@(#)ex_vput.c	1.48 (gritter) 2/15/05";
+static char sccsid[] = "@(#)ex_vput.c	1.49 (gritter) 2/15/05";
 #endif
 #endif
 
@@ -588,7 +588,7 @@ vinschar(int c)
 	register cell *tp;
 	char	*OIM;
 	bool	OXN;
-	int	noim;
+	int	noim, filler = 0;
 
 	insmc1 = colsc(c) - 1;
 	if ((!IM || !EI) && ((hold & HOLDQIK) || !value(REDRAW) || value(SLOWOPEN))) {
@@ -747,6 +747,11 @@ vinschar(int c)
 	noim = 0;
 #ifdef	MB
 	if (mb_cur_max > 1) {
+		if (destcol + 1 + insmc1 == WCOLS + 1) {
+			noim = 1;
+			if (insmc1 == 1 && insmc0 == 0)
+				filler = 1;
+		}
 		for (i = inscol; vtube0[i]; i++)
 			if (i + 1 >= WCOLS && vtube0[i] & MULTICOL) {
 				noim = 1;
@@ -796,7 +801,7 @@ vinschar(int c)
 	 * Now put the cursor in its final resting place.
 	 */
 	destline = LINE(vcline);
-	destcol = inscol + inssiz + insmc1;
+	destcol = inscol + inssiz + insmc1 + filler;
 	vcsync();
 	if (IM != OIM) {
 		IM = OIM;