tvi: do not update xoff for put command with an empty buffer - neatvi - [fork] simple vi-type editor with UTF-8 support
  HTML git clone git://src.adamsgaard.dk/neatvi
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       ---
   DIR commit 4e18f428ca3d31fbba8f0cd92ac71dda85a73422
   DIR parent b5be802171251c906511c385f3e01520f420e740
  HTML Author: Ali Gholami Rudi <ali@rudi.ir>
       Date:   Mon, 13 Sep 2021 16:55:36 +0430
       
       vi: do not update xoff for put command with an empty buffer
       
       Diffstat:
         M vi.c                                |       4 ++--
       
       1 file changed, 2 insertions(+), 2 deletions(-)
       ---
   DIR diff --git a/vi.c b/vi.c
       t@@ -868,10 +868,10 @@ static int vc_put(int cmd)
                int lnmode;
                char *buf = reg_get(vi_ybuf, &lnmode);
                int i;
       -        if (!buf) {
       +        if (!buf)
                        snprintf(vi_msg, sizeof(vi_msg), "yank buffer empty\n");
       +        if (!buf || !buf[0])
                        return 1;
       -        }
                if (lnmode) {
                        struct sbuf *sb = sbuf_make();
                        for (i = 0; i < cnt; i++)