From b81205bdc7505668282afa6e9dc3a6bb82a038bf Mon Sep 17 00:00:00 2001 From: =?utf8?q?P=C3=A1draig=20Brady?= Date: Wed, 31 Aug 2022 14:16:14 +0100 Subject: [PATCH] doc: stty: clarify that [-]drain is treated as an option * doc/coreutils.texi (stty invocation): Say that "drain" is treated as an option, rather than a line setting, and so option processing rules apply to it. Reported in https://bugs.debian.org/1018803 --- doc/coreutils.texi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/doc/coreutils.texi b/doc/coreutils.texi index de819b6dc9..2af7616546 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -15518,6 +15518,8 @@ Tell the kernel that the terminal has @var{n} columns. Non-POSIX. @cindex nonblocking @command{stty} setting Apply settings after first waiting for pending output to be transmitted. This is enabled by default for GNU @command{stty}. +Note this is treated as an option rather than a line setting, +and will follow the option processing rules described in the summary above. It is useful to disable this option in cases where the system may be in a state where serial transmission is not possible. -- 2.47.2