[PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Marco Cavenati]

Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
introduced in Linux 6.16.

Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.

This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.

Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>
---
 AUTHORS           |  1 +
 man/man2/ptrace.2 | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/AUTHORS b/AUTHORS
index 9035d405a..f332932e1 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -497,6 +497,7 @@ Marc-André Lureau <marcandre.lureau@redhat.com>
 Marcela Maslanova <mmaslano@redhat.com>
 Marcin Ślusarz <marcin.slusarz@gmail.com>
 Marco Bonelli <marco@mebeim.net>
+Marco Cavenati <marco.cavenati@eurecom.fr>
 Marcus Folkesson <marcus.folkesson@gmail.com>
 Marcus Gelderie <redmnic@gmail.com>
 Marcus Huewe <suse-tux@gmx.de>
diff --git a/man/man2/ptrace.2 b/man/man2/ptrace.2
index 2da43dcb9..45d4c4c84 100644
--- a/man/man2/ptrace.2
+++ b/man/man2/ptrace.2
@@ -1042,6 +1042,8 @@ structure contains the following fields:
 .EX
 struct ptrace_syscall_info {
     __u8 op;        /* Type of system call stop */
+    __u8 reserved;  /* Reserved for future use, must be zero */
+    __u16 flags;    /* Reserved for future use, must be zero */
     __u32 arch;     /* AUDIT_ARCH_* value; see seccomp(2) */
     __u64 instruction_pointer; /* CPU instruction pointer */
     __u64 stack_pointer;    /* CPU stack pointer */
@@ -1121,6 +1123,25 @@ is limited to type
 unless
 .B PTRACE_O_TRACESYSGOOD
 option is set before the corresponding system call stop has occurred.
+.TP
+.BR PTRACE_SET_SYSCALL_INFO " (since Linux 6.16)"
+.\" commit 26bb32768fe6552de044f782a58b3272073fbfc0
+Modify information about the system call that caused the stop.
+The
+.I data
+argument is a pointer to
+.I struct ptrace_syscall_info
+that specifies the system call information to be set.
+The
+.I addr
+argument should be set to
+.IR "sizeof(struct ptrace_syscall_info)" .
+Only the
+.IR nr ,
+.IR args ,
+and
+.I rval
+fields can be modified.
 .\"
 .SS Death under ptrace
 When a (possibly multithreaded) process receives a killing signal
-- 
2.51.0

Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Dmitry V. Levin]

On Wed, Jan 21, 2026 at 04:55:41PM +0100, Marco Cavenati wrote:
> Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
> introduced in Linux 6.16.
> 
> Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.
> 
> This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
> ("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.
> 
> Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>
> ---
>  AUTHORS           |  1 +
>  man/man2/ptrace.2 | 21 +++++++++++++++++++++
>  2 files changed, 22 insertions(+)
> 
> diff --git a/AUTHORS b/AUTHORS
> index 9035d405a..f332932e1 100644
> --- a/AUTHORS
> +++ b/AUTHORS
> @@ -497,6 +497,7 @@ Marc-André Lureau <marcandre.lureau@redhat.com>
>  Marcela Maslanova <mmaslano@redhat.com>
>  Marcin Ślusarz <marcin.slusarz@gmail.com>
>  Marco Bonelli <marco@mebeim.net>
> +Marco Cavenati <marco.cavenati@eurecom.fr>
>  Marcus Folkesson <marcus.folkesson@gmail.com>
>  Marcus Gelderie <redmnic@gmail.com>
>  Marcus Huewe <suse-tux@gmx.de>
> diff --git a/man/man2/ptrace.2 b/man/man2/ptrace.2
> index 2da43dcb9..45d4c4c84 100644
> --- a/man/man2/ptrace.2
> +++ b/man/man2/ptrace.2
> @@ -1042,6 +1042,8 @@ structure contains the following fields:
>  .EX
>  struct ptrace_syscall_info {
>      __u8 op;        /* Type of system call stop */
> +    __u8 reserved;  /* Reserved for future use, must be zero */
> +    __u16 flags;    /* Reserved for future use, must be zero */
>      __u32 arch;     /* AUDIT_ARCH_* value; see seccomp(2) */
>      __u64 instruction_pointer; /* CPU instruction pointer */
>      __u64 stack_pointer;    /* CPU stack pointer */
> @@ -1121,6 +1123,25 @@ is limited to type
>  unless
>  .B PTRACE_O_TRACESYSGOOD
>  option is set before the corresponding system call stop has occurred.
> +.TP
> +.BR PTRACE_SET_SYSCALL_INFO " (since Linux 6.16)"
> +.\" commit 26bb32768fe6552de044f782a58b3272073fbfc0
> +Modify information about the system call that caused the stop.
> +The
> +.I data
> +argument is a pointer to
> +.I struct ptrace_syscall_info
> +that specifies the system call information to be set.
> +The
> +.I addr
> +argument should be set to
> +.IR "sizeof(struct ptrace_syscall_info)" .
> +Only the
> +.IR nr ,
> +.IR args ,
> +and
> +.I rval
> +fields can be modified.
>  .\"
>  .SS Death under ptrace
>  When a (possibly multithreaded) process receives a killing signal

Looks good, thanks!


-- 
ldv

Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Marco Cavenati]

Hi Alex,

Gentle ping, just checking whether this patch got lost.
Happy to revise if needed.

Thanks
Marco

On Wednesday, January 21, 2026 16:55 CET, Marco Cavenati <Marco.Cavenati@eurecom.fr> wrote:

> Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
> introduced in Linux 6.16.
> 
> Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.
> 
> This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
> ("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.
> 
> Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>
> ---
>  AUTHORS           |  1 +
>  man/man2/ptrace.2 | 21 +++++++++++++++++++++
>  2 files changed, 22 insertions(+)
> 
> diff --git a/AUTHORS b/AUTHORS
> index 9035d405a..f332932e1 100644
> --- a/AUTHORS
> +++ b/AUTHORS
> @@ -497,6 +497,7 @@ Marc-André Lureau <marcandre.lureau@redhat.com>
>  Marcela Maslanova <mmaslano@redhat.com>
>  Marcin Ślusarz <marcin.slusarz@gmail.com>
>  Marco Bonelli <marco@mebeim.net>
> +Marco Cavenati <marco.cavenati@eurecom.fr>
>  Marcus Folkesson <marcus.folkesson@gmail.com>
>  Marcus Gelderie <redmnic@gmail.com>
>  Marcus Huewe <suse-tux@gmx.de>
> diff --git a/man/man2/ptrace.2 b/man/man2/ptrace.2
> index 2da43dcb9..45d4c4c84 100644
> --- a/man/man2/ptrace.2
> +++ b/man/man2/ptrace.2
> @@ -1042,6 +1042,8 @@ structure contains the following fields:
>  .EX
>  struct ptrace_syscall_info {
>      __u8 op;        /* Type of system call stop */
> +    __u8 reserved;  /* Reserved for future use, must be zero */
> +    __u16 flags;    /* Reserved for future use, must be zero */
>      __u32 arch;     /* AUDIT_ARCH_* value; see seccomp(2) */
>      __u64 instruction_pointer; /* CPU instruction pointer */
>      __u64 stack_pointer;    /* CPU stack pointer */
> @@ -1121,6 +1123,25 @@ is limited to type
>  unless
>  .B PTRACE_O_TRACESYSGOOD
>  option is set before the corresponding system call stop has occurred.
> +.TP
> +.BR PTRACE_SET_SYSCALL_INFO " (since Linux 6.16)"
> +.\" commit 26bb32768fe6552de044f782a58b3272073fbfc0
> +Modify information about the system call that caused the stop.
> +The
> +.I data
> +argument is a pointer to
> +.I struct ptrace_syscall_info
> +that specifies the system call information to be set.
> +The
> +.I addr
> +argument should be set to
> +.IR "sizeof(struct ptrace_syscall_info)" .
> +Only the
> +.IR nr ,
> +.IR args ,
> +and
> +.I rval
> +fields can be modified.
>  .\"
>  .SS Death under ptrace
>  When a (possibly multithreaded) process receives a killing signal
> -- 
> 2.51.0
>

Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Alejandro Colomar]

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Hi Marco,

On 2026-02-07T12:59:39+0100, Marco Cavenati wrote:
> Hi Alex,
> 
> Gentle ping, just checking whether this patch got lost.
> Happy to revise if needed.

Thanks!  No, it didn't.  I was just too busy last week with a meeting of
the C Committee, plus the preparation before it, and also preparing a
release of the man-pages for this or next week.  I need some sleep for
a few days, and next week I'll be back at reviewing stuff.  :-)


Have a lovely night!
Alex

> 
> Thanks
> Marco
> 
> On Wednesday, January 21, 2026 16:55 CET, Marco Cavenati <Marco.Cavenati@eurecom.fr> wrote:
> 
> > Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
> > introduced in Linux 6.16.
> > 
> > Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.
> > 
> > This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
> > ("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.
> > 
> > Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>
> > ---
> >  AUTHORS           |  1 +
> >  man/man2/ptrace.2 | 21 +++++++++++++++++++++
> >  2 files changed, 22 insertions(+)
> > 
> > diff --git a/AUTHORS b/AUTHORS
> > index 9035d405a..f332932e1 100644
> > --- a/AUTHORS
> > +++ b/AUTHORS
> > @@ -497,6 +497,7 @@ Marc-André Lureau <marcandre.lureau@redhat.com>
> >  Marcela Maslanova <mmaslano@redhat.com>
> >  Marcin Ślusarz <marcin.slusarz@gmail.com>
> >  Marco Bonelli <marco@mebeim.net>
> > +Marco Cavenati <marco.cavenati@eurecom.fr>
> >  Marcus Folkesson <marcus.folkesson@gmail.com>
> >  Marcus Gelderie <redmnic@gmail.com>
> >  Marcus Huewe <suse-tux@gmx.de>
> > diff --git a/man/man2/ptrace.2 b/man/man2/ptrace.2
> > index 2da43dcb9..45d4c4c84 100644
> > --- a/man/man2/ptrace.2
> > +++ b/man/man2/ptrace.2
> > @@ -1042,6 +1042,8 @@ structure contains the following fields:
> >  .EX
> >  struct ptrace_syscall_info {
> >      __u8 op;        /* Type of system call stop */
> > +    __u8 reserved;  /* Reserved for future use, must be zero */
> > +    __u16 flags;    /* Reserved for future use, must be zero */
> >      __u32 arch;     /* AUDIT_ARCH_* value; see seccomp(2) */
> >      __u64 instruction_pointer; /* CPU instruction pointer */
> >      __u64 stack_pointer;    /* CPU stack pointer */
> > @@ -1121,6 +1123,25 @@ is limited to type
> >  unless
> >  .B PTRACE_O_TRACESYSGOOD
> >  option is set before the corresponding system call stop has occurred.
> > +.TP
> > +.BR PTRACE_SET_SYSCALL_INFO " (since Linux 6.16)"
> > +.\" commit 26bb32768fe6552de044f782a58b3272073fbfc0
> > +Modify information about the system call that caused the stop.
> > +The
> > +.I data
> > +argument is a pointer to
> > +.I struct ptrace_syscall_info
> > +that specifies the system call information to be set.
> > +The
> > +.I addr
> > +argument should be set to
> > +.IR "sizeof(struct ptrace_syscall_info)" .
> > +Only the
> > +.IR nr ,
> > +.IR args ,
> > +and
> > +.I rval
> > +fields can be modified.
> >  .\"
> >  .SS Death under ptrace
> >  When a (possibly multithreaded) process receives a killing signal
> > -- 
> > 2.51.0
> >
> 

-- 
<https://www.alejandro-colomar.es>

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Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Marco Cavenati]

Well in that case, I wish you a great and recharging rest!
And sorry for the ping :)

Marco

On Saturday, February 07, 2026 19:24 CET, Alejandro Colomar <alx@kernel.org> wrote:

> Hi Marco,
> 
> On 2026-02-07T12:59:39+0100, Marco Cavenati wrote:
> > Hi Alex,
> > 
> > Gentle ping, just checking whether this patch got lost.
> > Happy to revise if needed.
> 
> Thanks!  No, it didn't.  I was just too busy last week with a meeting of
> the C Committee, plus the preparation before it, and also preparing a
> release of the man-pages for this or next week.  I need some sleep for
> a few days, and next week I'll be back at reviewing stuff.  :-)
> 
> 
> Have a lovely night!
> Alex
> 
> > 
> > Thanks
> > Marco
> > 
> > On Wednesday, January 21, 2026 16:55 CET, Marco Cavenati <Marco.Cavenati@eurecom.fr> wrote:
> > 
> > > Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
> > > introduced in Linux 6.16.
> > > 
> > > Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.
> > > 
> > > This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
> > > ("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.
> > > 
> > > Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>
> > > ---
> > >  AUTHORS           |  1 +
> > >  man/man2/ptrace.2 | 21 +++++++++++++++++++++
> > >  2 files changed, 22 insertions(+)
> > > 
> > > diff --git a/AUTHORS b/AUTHORS
> > > index 9035d405a..f332932e1 100644
> > > --- a/AUTHORS
> > > +++ b/AUTHORS
> > > @@ -497,6 +497,7 @@ Marc-André Lureau <marcandre.lureau@redhat.com>
> > >  Marcela Maslanova <mmaslano@redhat.com>
> > >  Marcin Ślusarz <marcin.slusarz@gmail.com>
> > >  Marco Bonelli <marco@mebeim.net>
> > > +Marco Cavenati <marco.cavenati@eurecom.fr>
> > >  Marcus Folkesson <marcus.folkesson@gmail.com>
> > >  Marcus Gelderie <redmnic@gmail.com>
> > >  Marcus Huewe <suse-tux@gmx.de>
> > > diff --git a/man/man2/ptrace.2 b/man/man2/ptrace.2
> > > index 2da43dcb9..45d4c4c84 100644
> > > --- a/man/man2/ptrace.2
> > > +++ b/man/man2/ptrace.2
> > > @@ -1042,6 +1042,8 @@ structure contains the following fields:
> > >  .EX
> > >  struct ptrace_syscall_info {
> > >      __u8 op;        /* Type of system call stop */
> > > +    __u8 reserved;  /* Reserved for future use, must be zero */
> > > +    __u16 flags;    /* Reserved for future use, must be zero */
> > >      __u32 arch;     /* AUDIT_ARCH_* value; see seccomp(2) */
> > >      __u64 instruction_pointer; /* CPU instruction pointer */
> > >      __u64 stack_pointer;    /* CPU stack pointer */
> > > @@ -1121,6 +1123,25 @@ is limited to type
> > >  unless
> > >  .B PTRACE_O_TRACESYSGOOD
> > >  option is set before the corresponding system call stop has occurred.
> > > +.TP
> > > +.BR PTRACE_SET_SYSCALL_INFO " (since Linux 6.16)"
> > > +.\" commit 26bb32768fe6552de044f782a58b3272073fbfc0
> > > +Modify information about the system call that caused the stop.
> > > +The
> > > +.I data
> > > +argument is a pointer to
> > > +.I struct ptrace_syscall_info
> > > +that specifies the system call information to be set.
> > > +The
> > > +.I addr
> > > +argument should be set to
> > > +.IR "sizeof(struct ptrace_syscall_info)" .
> > > +Only the
> > > +.IR nr ,
> > > +.IR args ,
> > > +and
> > > +.I rval
> > > +fields can be modified.
> > >  .\"
> > >  .SS Death under ptrace
> > >  When a (possibly multithreaded) process receives a killing signal
> > > -- 
> > > 2.51.0
> > >
> > 
> 
> -- 
> <https://www.alejandro-colomar.es>

Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Alejandro Colomar]

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Hi Marco, Dmitry,

I'm back.  :-)

On 2026-01-21T18:56:39+0200, Dmitry V. Levin wrote:
> On Wed, Jan 21, 2026 at 04:55:41PM +0100, Marco Cavenati wrote:
> > Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
> > introduced in Linux 6.16.
> > 
> > Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.
> > 
> > This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
> > ("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.
> > 
> > Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>

Thanks!  I've applied the patch.

> > ---
> >  AUTHORS           |  1 +
> >  man/man2/ptrace.2 | 21 +++++++++++++++++++++
> >  2 files changed, 22 insertions(+)
> > 
> > diff --git a/AUTHORS b/AUTHORS
> > index 9035d405a..f332932e1 100644
> > --- a/AUTHORS
> > +++ b/AUTHORS
[...]

> Looks good, thanks!

Should I take that as a Reviewed-by?


Have a lovely night!
Alex

-- 
<https://www.alejandro-colomar.es>

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Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Dmitry V. Levin]

Hi,

On Tue, Feb 10, 2026 at 09:14:29PM +0100, Alejandro Colomar wrote:
> Hi Marco, Dmitry,
> 
> I'm back.  :-)
> 
> On 2026-01-21T18:56:39+0200, Dmitry V. Levin wrote:
> > On Wed, Jan 21, 2026 at 04:55:41PM +0100, Marco Cavenati wrote:
> > > Add documentation for the new ptrace request PTRACE_SET_SYSCALL_INFO,
> > > introduced in Linux 6.16.
> > > 
> > > Add 'reserved' and 'flags' fields of struct ptrace_syscall_info.
> > > 
> > > This description is based on kernel commit 26bb32768fe6552de044f782a58b3272073fbfc0
> > > ("ptrace: introduce PTRACE_SET_SYSCALL_INFO request") by Dmitry V. Levin.
> > > 
> > > Signed-off-by: Marco Cavenati <Marco.Cavenati@eurecom.fr>
> 
> Thanks!  I've applied the patch.
> 
> > > ---
> > >  AUTHORS           |  1 +
> > >  man/man2/ptrace.2 | 21 +++++++++++++++++++++
> > >  2 files changed, 22 insertions(+)
> > > 
> > > diff --git a/AUTHORS b/AUTHORS
> > > index 9035d405a..f332932e1 100644
> > > --- a/AUTHORS
> > > +++ b/AUTHORS
> [...]
> 
> > Looks good, thanks!
> 
> Should I take that as a Reviewed-by?

Feel free to add:

Reviewed-by: Dmitry V. Levin <ldv@strace.io>


-- 
ldv

Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Alejandro Colomar]

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Hi Dmitry,

On 2026-02-10T22:53:47+0200, Dmitry V. Levin wrote:
> > > Looks good, thanks!
> > 
> > Should I take that as a Reviewed-by?
> 
> Feel free to add:
> 
> Reviewed-by: Dmitry V. Levin <ldv@strace.io>

Thanks!  I'll quote it, if you don't mind, as name-addreess pairs can't
contain an unquoted '.' --git(1) misbehaves on the '.', unless they
fixed it recently--.

	Reviewed-by: "Dmitry V. Levin" <ldv@strace.io>

Is that okay?


Cheers,
Alex

-- 
<https://www.alejandro-colomar.es>

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Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Dmitry V. Levin]

On Tue, Feb 10, 2026 at 10:20:02PM +0100, Alejandro Colomar wrote:
> Hi Dmitry,
> 
> On 2026-02-10T22:53:47+0200, Dmitry V. Levin wrote:
> > > > Looks good, thanks!
> > > 
> > > Should I take that as a Reviewed-by?
> > 
> > Feel free to add:
> > 
> > Reviewed-by: Dmitry V. Levin <ldv@strace.io>
> 
> Thanks!  I'll quote it, if you don't mind, as name-addreess pairs can't
> contain an unquoted '.' --git(1) misbehaves on the '.', unless they
> fixed it recently--.
> 
> 	Reviewed-by: "Dmitry V. Levin" <ldv@strace.io>
> 
> Is that okay?

I've been using the unquoted format for a while, but the quoted one
is fine as well.

Thanks,


-- 
ldv

Re: [PATCH] man/man2/ptrace.2: Add PTRACE_SET_SYSCALL_INFO, update struct ptrace_syscall_info

[Alejandro Colomar]

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On 2026-02-10T23:41:45+0200, Dmitry V. Levin wrote:
> On Tue, Feb 10, 2026 at 10:20:02PM +0100, Alejandro Colomar wrote:
> > Hi Dmitry,
> > 
> > On 2026-02-10T22:53:47+0200, Dmitry V. Levin wrote:
> > > > > Looks good, thanks!
> > > > 
> > > > Should I take that as a Reviewed-by?
> > > 
> > > Feel free to add:
> > > 
> > > Reviewed-by: Dmitry V. Levin <ldv@strace.io>
> > 
> > Thanks!  I'll quote it, if you don't mind, as name-addreess pairs can't
> > contain an unquoted '.' --git(1) misbehaves on the '.', unless they
> > fixed it recently--.
> > 
> > 	Reviewed-by: "Dmitry V. Levin" <ldv@strace.io>
> > 
> > Is that okay?
> 
> I've been using the unquoted format for a while, but the quoted one
> is fine as well.

I've tried to reproduce it now, and they seem to have fixed it.  When
the patch is read by git-send-email(1) and it gets the addresses from
the trailer of the patch, it previously would have transformed
	Dmitry V. Levin <ldv@strace.io>
into
	Dmitry V.  Levin <ldv@strace.io>
Some depdenency (a library) of git(1) interpreted the '.' as ending
a sentence.  I've tried now, and it transforms
	Dmitry V. Levin <ldv@strace.io>
into
	"Dmitry V. Levin" <ldv@strace.io>
thus doing the right thing.  However, I expect some software might still
misbehave.  I remember having reproduced the bug not so long ago (maybe
one year?).


Cheers,
Alex

> 
> Thanks,
> 
> 
> -- 
> ldv
> 

-- 
<https://www.alejandro-colomar.es>

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