Subject: bug#37579: 26.3; cursor invisible

From: Stefan Kangas <[email-masked]>
Date: Sat, 5 Oct 2019 13:59:47 +0200

[email-masked] writes:

> Evaluate the form below and type C-x C-x,
> the box cursor becomes invisible.
>
> (progn
>   (transient-mark-mode -1)
>   (blink-cursor-mode -1)
>   (switch-to-buffer (generate-new-buffer "tmp"))
>   (insert "
> CKHKIKBEFKCJKJFKCCKFHKBI
> CKHKAKHCKBIKBECKCHKBFDKCI
> CKHKIKBGJKFJKHAKCFKGAKBG
> CKHKAKBGHKGAKIHKEJKDCKED
> CKHKAKHFKEIKBGCKFJKBHIKGA
> CKHKAKBEDKHHKJDKGIKEIKGF
> CKHKAKFGKGGKBDHKHFKBFGKHH
> AKJIKAKAKAKCAAKCAA
> CKBCKHKHFKEBKIAKFDKIDKHE
> CKBCKHKBCIKDGKBCFKFAKBCCKGH
> CKHKAKBHKBCBKEHKBAJKGDKIJ
> CKHKAKCAKBEAKFCKBCHKHDKBAJ
> CKHKIKBFIKHJKBCJKIDKBAFKIH
> CKDCKEAAAKBFGKHJKBFGKIJKBFFKBAA
> CKHKIKBFHKBABKBBIKBAEKBAFKBAF
> CKHKIKBAJKBAFKBEBKBACKBGAKBAB
> CKHKIKBBCKBCAKBDBKBBHKBFIKBBG
> CKHKIKBBBKBDFKBDHKBDDKBFIKBDC
> CKHKIKBBBKBFCKBDFKBEJKBFHKBEI
> CKHKIKBBAKBGHKBDFKBGFKBFHKBGE
> BKCABCKDCKBBCKBBAKBBCKBGG
> GKCADCKIKBBCKBGGKBBCKBIFKBDCKBIFKBICKBHJ
> CKHKIKBHAKBEIKBHCKBGDKBHIKBHI
> CKBCKIKIFKJAKIFKBDHKIFKBIG
> BKBCKAKFAKBDFKFAKBIG
> CKHKIKBAGKIIKBDCKICKBFJKHJ
>
> CKHKIKBEFKCJKJFKCCKFHKBI
> CKHKAKHCKBIKBECKCHKBFDKCI
> CKHKIKBGJKFJKHAKCFKGAKBG
> CKHKAKBGHKGAKIHKEJKDCKED
> CKHKAKHFKEIKBGCKFJKBHIKGA
> CKHKAKBEDKHHKJDKGIKEIKGF
> CKHKAKFGKGGKBDHKHFKBFGKHH
> CKAKHKBDHKIJKBFDKBAJKBIDKBCB
> CKAKHKBCHKBAJKBEIKBCHKBIAKBEA
> AKJIKAKAKAKCAAKCAA
> CKBCKHKHFKEBKIAKFDKIDKHE
> CKBCKHKBCIKDGKBCFKFAKBCCKGH
> CKHKIKBFIKHJKBCJKIDKBAFKIH
> CKDCKEAAAKBFGKHJKBFGKIJKBFFKBAA
> CKHKIKBFHKBABKBBIKBAEKBAFKBAF
> CKHKIKBAJKBAFKBEBKBACKBGAKBAB
> CKHKIKBBCKBCAKBDBKBBHKBFIKBBG
> CKHKIKBBBKBDFKBDHKBDDKBFIKBDC
> CKHKIKBBBKBFCKBDFKBEJKBFHKBEI
> CKHKIKBBAKBGHKBDFKBGFKBFHKBGE
> BKBCKDCKBBCKBBAKBBCKBGG
> GKDCKIKBBCKBGGKBBCKBIFKBDCKBIFKBICKBHJ
> CKHKIKBHAKBEIKBHCKBGDKBHIKBHI
> CKHKIKBAGKIIKBDCKICKBFJKHJ
> CKBCKIKIFKJAKIFKBDHKIFKBIG
> CKBCKIKFAKBDFKFAKBGAKFAKBIG
> ")
>   (goto-char (point-min))
>   (search-forward "\n\n")
>   (end-of-buffer)
>   (split-window)
>   )
>
>
> In GNU Emacs 26.3 (build 1, x86_64-w64-mingw32)
>  of 2019-08-29 built on CIRROCUMULUS

I can't reproduce this on GNU/Linux.  Are you seeing this when running
"emacs -Q"?

Best regards,
Stefan Kangas