What is this? Is it a bug?
[maruyama@pc07{272}] ~% uname -a
FreeBSD pc07.mar 13.5-RELEASE-p6 FreeBSD 13.5-RELEASE-p6 GENERIC amd64
[maruyama@pc07{273}] ~% screen -version
Screen version 5.0.1 (build on 2025-10-24 08:10:56)
[maruyama@pc07{274}] ~% tty
/dev/pts/11
[maruyama@pc07{275}] ~% screen -list
There is a screen on:
6879.pts-0.pc07 (2025/11/28 18時47分18秒) (Attached)
1 Socket in /usr/home/maruyama/.screen.
[maruyama@pc07{276}] ~% screen -d
Cannot find terminfo entry for ''.
[maruyama@pc07{277}] ~% screen -list
There is a screen on:
6879.pts-0.pc07 (2025/11/28 18時47分18秒) (Attached)
1 Socket in /usr/home/maruyama/.screen.
[maruyama@pc07{278}] ~%
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(Mr.) NaoMASA MARUYAMA
[email protected]