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Merge from origin/emacs-25

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07f45d7 ; Spelling fix
1a210f0 * admin/release-process: Update versions and blocking bug num...
36bafc9 Improve documentation of functions that accept time values

# Conflicts:
#	admin/release-process
#	src/editfns.c
This commit is contained in:
Paul Eggert 2016-11-19 14:43:25 -08:00
commit 870c56a0bd
4 changed files with 36 additions and 21 deletions
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9
admin/release-process
View file

@ -46,13 +46,12 @@ See admin/gitmerge.el.
Emacs uses the "blocking" feature of Debbugs for bugs that need to be
addressed in the next release.
Currently, bug#19759 is the tracking bug for release of 25.1 and
bug#21966 is the tracking bug for release of 25.2. Say bug#123 needs
bug#21966 is the tracking bug for the next release. Say bug#123 needs
to be fixed for Emacs 25.1. Send a message to control@debbugs.gnu.org
Currently, bug#21966 is the tracking bug for release of 25.2 and
bug#24655 is the tracking bug for release 26.1. Say bug#123 needs
to be fixed for Emacs 26.1. Send a message to control@debbugs.gnu.org
that says:
block 19759 by 123
block 24655 by 123
Change "block" to "unblock" to remove a bug from the list. Closed
bugs are not listed as blockers, so you do not need to explicitly

13
doc/lispref/os.texi
View file

@ -1474,7 +1474,7 @@ corresponding time value.
@defun format-time-string format-string &optional time zone
This function converts @var{time} (or the current time, if
@var{time} is omitted) to a string according to
@var{time} is omitted or @code{nil}) to a string according to
@var{format-string}. The conversion uses the time zone rule @var{zone}, which
defaults to the current time zone rule. @xref{Time Zone Rules}. The argument
@var{format-string} may contain @samp{%}-sequences which say to
@ -1692,7 +1692,9 @@ interactively, it prints the duration in the echo area.
@cindex calendrical computations
These functions perform calendrical computations using time values
(@pxref{Time of Day}).
(@pxref{Time of Day}). A value of @code{nil} for any of their
time-value arguments stands for the current system time, and a single
integer number stands for the number of seconds since the epoch.
@defun time-less-p t1 t2
This returns @code{t} if time value @var{t1} is less than time value
@ -1701,12 +1703,15 @@ This returns @code{t} if time value @var{t1} is less than time value
@defun time-subtract t1 t2
This returns the time difference @var{t1} @minus{} @var{t2} between
two time values, as a time value.
two time values, as a time value. If you need the difference in units
of elapsed seconds, use @code{float-time} (@pxref{Time of Day,
float-time}) to convert the result into seconds.
@end defun
@defun time-add t1 t2
This returns the sum of two time values, as a time value.
One argument should represent a time difference rather than a point in time.
One argument should represent a time difference rather than a point in time,
either as a list or as a single number of elapsed seconds.
Here is how to add a number of seconds to a time value:
@example

2
nt/README.W32
View file

@ -283,7 +283,7 @@ See the end of the file for license conditions.
To ask questions on this mailing list, send email to
help-gnu-emacs@gnu.org.
A mailing list for issuesspecifically related to the MS-Windows port
A mailing list for issues specifically related to the MS-Windows port
of Emacs is here:
http://lists.gnu.org/mailman/listinfo/help-emacs-windows

33
src/editfns.c
View file

@ -1609,21 +1609,28 @@ time_arith (Lisp_Object a, Lisp_Object b,
}
DEFUN ("time-add", Ftime_add, Stime_add, 2, 2, 0,
doc: /* Return the sum of two time values A and B, as a time value. */)
doc: /* Return the sum of two time values A and B, as a time value.
A nil value for either argument stands for the current time.
See `current-time-string' for the various forms of a time value. */)
(Lisp_Object a, Lisp_Object b)
{
return time_arith (a, b, time_add);
}
DEFUN ("time-subtract", Ftime_subtract, Stime_subtract, 2, 2, 0,
doc: /* Return the difference between two time values A and B, as a time value. */)
doc: /* Return the difference between two time values A and B, as a time value.
Use `float-time' to convert the difference into elapsed seconds.
A nil value for either argument stands for the current time.
See `current-time-string' for the various forms of a time value. */)
(Lisp_Object a, Lisp_Object b)
{
return time_arith (a, b, time_subtract);
}
DEFUN ("time-less-p", Ftime_less_p, Stime_less_p, 2, 2, 0,
doc: /* Return non-nil if time value T1 is earlier than time value T2. */)
doc: /* Return non-nil if time value T1 is earlier than time value T2.
A nil value for either argument stands for the current time.
See `current-time-string' for the various forms of a time value. */)
(Lisp_Object t1, Lisp_Object t2)
{
int t1len, t2len;
@ -2001,10 +2008,11 @@ emacs_nmemftime (char *s, size_t maxsize, const char *format,
}
DEFUN ("format-time-string", Fformat_time_string, Sformat_time_string, 1, 3, 0,
doc: /* Use FORMAT-STRING to format the time TIME, or now if omitted.
doc: /* Use FORMAT-STRING to format the time TIME, or now if omitted or nil.
TIME is specified as (HIGH LOW USEC PSEC), as returned by
`current-time' or `file-attributes'. The obsolete form (HIGH . LOW)
is also still accepted.
`current-time' or `file-attributes'. It can also be a single integer
number of seconds since the epoch. The obsolete form (HIGH . LOW) is
also still accepted.
The optional ZONE is omitted or nil for Emacs local time, t for
Universal Time, `wall' for system wall clock time, or a string as in
@ -2127,7 +2135,8 @@ DEFUN ("decode-time", Fdecode_time, Sdecode_time, 0, 2, 0,
doc: /* Decode a time value as (SEC MINUTE HOUR DAY MONTH YEAR DOW DST UTCOFF).
The optional SPECIFIED-TIME should be a list of (HIGH LOW . IGNORED),
as from `current-time' and `file-attributes', or nil to use the
current time. The obsolete form (HIGH . LOW) is also still accepted.
current time. It can also be a single integer number of seconds since
the epoch. The obsolete form (HIGH . LOW) is also still accepted.
The optional ZONE is omitted or nil for Emacs local time, t for
Universal Time, `wall' for system wall clock time, or a string as in
@ -2253,8 +2262,9 @@ which provide a much more powerful and general facility.
If SPECIFIED-TIME is given, it is a time to format instead of the
current time. The argument should have the form (HIGH LOW . IGNORED).
Thus, you can use times obtained from `current-time' and from
`file-attributes'. SPECIFIED-TIME can also have the form (HIGH . LOW),
but this is considered obsolete.
`file-attributes'. SPECIFIED-TIME can also be a single integer number
of seconds since the epoch. The obsolete form (HIGH . LOW) is also
still accepted.
The optional ZONE is omitted or nil for Emacs local time, t for
Universal Time, `wall' for system wall clock time, or a string as in
@ -2334,8 +2344,9 @@ NAME is a string giving the name of the time zone.
If SPECIFIED-TIME is given, the time zone offset is determined from it
instead of using the current time. The argument should have the form
\(HIGH LOW . IGNORED). Thus, you can use times obtained from
`current-time' and from `file-attributes'. SPECIFIED-TIME can also
have the form (HIGH . LOW), but this is considered obsolete.
`current-time' and from `file-attributes'. SPECIFIED-TIME can also be
a single integer number of seconds since the epoch. The obsolete form
(HIGH . LOW) is also still accepted.
The optional ZONE is omitted or nil for Emacs local time, t for
Universal Time, `wall' for system wall clock time, or a string as in