Fix placeholder label and clean up.

image.c

@@ -58,26 +58,38 @@ image_fallback(char **ret, u_int sx, u_int sy)
 	char	*buf, *label;
 	u_int	 py, size, lsize;
 
-	/* Placeholder label. */
-	lsize = xasprintf(&label, "Sixel image (%ux%u)\n", sx, sy);
-	size = (sx + 2) * sy + 1;
-	if (lsize > size)
-		size = lsize;
+	/* Allocate first line. */
+	lsize = xasprintf(&label, "SIXEL IMAGE (%ux%u)\r\n", sx, sy) + 1;
+	if (sx < lsize - 3)
+		size = lsize - 1;
+	else
+		size = sx + 2;
 
-	/* Each placeholder line has \r\n at the end. */
+	/* Remaining lines. Every placeholder line has \r\n at the end. */
+	size += (sx + 2) * (sy - 1) + 1;
 	*ret = buf = xmalloc(size);
-	for (py = 0; py < sy; py++) {
+
+	/* Render first line. */
+	if (sx < lsize - 3) {
+		memcpy(buf, label, lsize);
+		buf += lsize - 1;
+	} else {
+		memcpy(buf, label, lsize - 3);
+		buf += lsize - 3;
+		memset(buf, '+', sx - lsize + 3);
+		buf += sx - lsize + 3;
+		snprintf(buf, 3, "\r\n");
+		buf += 2;
+	}
+
+	/* Remaining lines. */
+	for (py = 1; py < sy; py++) {
 		memset(buf, '+', sx);
 		buf += sx;
 		snprintf(buf, 3, "\r\n");
 		buf += 2;
 	}
 
-	/* Print the label.*/
-	if (size == lsize)
-		memcpy(*ret, label, lsize);
-	else
-		memcpy(*ret, label, lsize - 1);
 	free(label);
 }
 

input.c

@@ -2263,7 +2263,6 @@ input_dcs_dispatch(struct input_ctx *ictx)
 	if (buf[0] == 'q') {
 		si = sixel_parse(buf, len, w->xpixel, w->ypixel);
 		if (si != NULL) {
-			sixel_log(si);
 			screen_write_sixelimage(sctx, si, ictx->cell.cell.bg);
 		}
 	}

screen-write.c

@@ -1439,9 +1439,9 @@ screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped, u_int bg)
 			redraw = image_scroll_up(s, 1);
 		else
 			redraw = image_check_line(s, rupper, rlower - rupper);
-#endif
 		if (redraw && ctx->wp != NULL)
 			ctx->wp->flags |= PANE_REDRAW;
+#endif
 		grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
 		screen_write_collect_scroll(ctx, bg);
 		ctx->scrolled++;

tmux.h

@@ -1496,7 +1496,6 @@ struct tty_ctx {
 
 	u_int			 num;
 	void			*ptr;
-	int			 more;
 	void			*ptr2;
 
 	/*