The cursor position is limited to the margins for CUF and CUB, so turn

margins off for printing cells (like most everything else already
does). Problem reported by Thomas Sattler.

diff --git a/usr.bin/tmux/tty.c b/usr.bin/tmux/tty.c
index 26dd95e..1fb1551 100644 (file)
--- a/usr.bin/tmux/tty.c
+++ b/usr.bin/tmux/tty.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty.c,v 1.305 2018/08/19 16:45:03 nicm Exp $ */
+/* $OpenBSD: tty.c,v 1.306 2018/09/11 17:31:01 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1401,13 +1401,12 @@ tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
 {
-       if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
-               if (tty_pane_full_width(tty, ctx))
-                       tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
-               else
-                       tty_margin_off(tty);
-       }
+       if (ctx->xoff + ctx->ocx > tty->sx - 1 &&
+           ctx->ocy == ctx->orlower &&
+           tty_pane_full_width(tty, ctx))
+               tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 
+       tty_margin_off(tty);
        tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
 
        tty_cell(tty, ctx->cell, ctx->wp);
@@ -1416,6 +1415,7 @@ tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
 {
+       tty_margin_off(tty);
        tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
 
        tty_attributes(tty, ctx->cell, ctx->wp);