Hi Bram,
2017-6-4(Sun) 22:46:08 UTC+9 Bram Moolenaar:
> Patch 8.0.0611
> Problem: When t_u7 is sent a few characters in the second screen line are
> overwritten and not redrawn later. (Rastislav Barlik)
> Solution: Move redrawing the screen to after overwriting the characters.
> Files: src/main.c, src/term.c.
>
>
> *** ../vim-8.0.0610/src/main.c 2017-04-18 18:51:30.063844106 +0200
> --- src/main.c 2017-06-04 15:41:15.230362973 +0200
> ***************
> *** 783,788 ****
> --- 783,793 ----
> if (params.n_commands > 0)
> exe_commands(¶ms);
>
> + #if defined(FEAT_TERMRESPONSE) && defined(FEAT_MBYTE)
> + /* Must be done before redrawing, puts a few characters on the screen.
> */
> + may_req_ambiguous_char_width();
> + #endif
> +
> RedrawingDisabled = 0;
> redraw_all_later(NOT_VALID);
> no_wait_return = FALSE;
> ***************
> *** 796,804 ****
> * argument doesn't make it appear in the shell Vim was started from. */
> may_req_termresponse();
>
> - # if defined(FEAT_MBYTE)
> - may_req_ambiguous_char_width();
> - # endif
> may_req_bg_color();
> #endif
>
> --- 801,806 ----
> *** ../vim-8.0.0610/src/term.c 2017-06-04 15:37:42.179841016 +0200
> --- src/term.c 2017-06-04 15:43:08.493576778 +0200
> ***************
> *** 3333,3341 ****
> --- 3333,3345 ----
> out_str(T_U7);
> u7_status = U7_SENT;
> out_flush();
> +
> + /* This overwrites a few characters on the screen, a redraw is needed
> + * after this. Clear them out for now. */
> term_windgoto(1, 0);
> out_str((char_u *)" ");
> term_windgoto(0, 0);
> +
> /* check for the characters now, otherwise they might be eaten by
> * get_keystroke() */
> out_flush();
> *** ../vim-8.0.0610/src/version.c 2017-06-04 15:37:42.179841016 +0200
> --- src/version.c 2017-06-04 15:43:19.377501214 +0200
> ***************
> *** 766,767 ****
> --- 766,769 ----
> { /* Add new patch number below this line */
> + /**/
> + 611,
> /**/
The following problem has recurred with this patch.
https://groups.google.com/forum/#!msg/vim_dev/A4ZXSrkjyh0/yYkaQdpKFwAJ
It was corrected once at patch 8.0.0567, but it occurred again at patch
8.0.0611.
(I checked on Vim 8.0.0628)
patch 8.0.0567: call for requesting color and ambiwidth is too early
https://github.com/vim/vim/commit/fc8f1118e7ccd65b0537e47e6323c93a1df6a61a
--
Best regards,
Hirohito Higashi (h_east)
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