Rename time-equal to time-equal-p

This is for consistency with time-less-p.
* doc/lispref/os.texi (Time Calculations), etc/NEWS:
* src/editfns.c (Ftime_equal_p, syms_of_editfns):
* test/lisp/emacs-lisp/timer-tests.el (timer-test-multiple-of-time):
Rename.

doc/lispref/os.texi

@@ -1739,7 +1739,7 @@ This returns @code{t} if time value @var{t1} is less than time value
 The result is @code{nil} if either argument is a NaN.
 @end defun
 
-@defun time-equal t1 t2
+@defun time-equal-p t1 t2
 This returns @code{t} if @var{t1} and @var{t2} are equal time values.
 The result is @code{nil} if either argument is a NaN.
 @end defun

etc/NEWS

@@ -957,7 +957,7 @@ infinities and NaNs too, and propagate them or return nil like
 floating-point operators do.
 
 +++
-** New function 'time-equal' compares time values for equality.
+** New function 'time-equal-p' compares time values for equality.
 
 ** define-minor-mode automatically documents the meaning of ARG.
 

src/editfns.c

@@ -1676,7 +1676,7 @@ See `current-time-string' for the various forms of a time value.  */)
   return time_cmp (t1, t2) < 0 ? Qt : Qnil;
 }
 
-DEFUN ("time-equal", Ftime_equal, Stime_equal, 2, 2, 0,
+DEFUN ("time-equal-p", Ftime_equal_p, Stime_equal_p, 2, 2, 0,
        doc: /* Return non-nil if T1 and T2 are equal time values.  */)
   (Lisp_Object t1, Lisp_Object t2)
 {
@@ -5765,7 +5765,7 @@ it to be non-nil.  */);
   defsubr (&Scurrent_time);
   defsubr (&Stime_add);
   defsubr (&Stime_subtract);
-  defsubr (&Stime_equal);
+  defsubr (&Stime_equal_p);
   defsubr (&Stime_less_p);
   defsubr (&Sget_internal_run_time);
   defsubr (&Sformat_time_string);

test/lisp/emacs-lisp/timer-tests.el

@@ -40,7 +40,7 @@
       (should (debug-timer-check)) t))
 
 (ert-deftest timer-test-multiple-of-time ()
-  (should (time-equal
+  (should (time-equal-p
 	   (timer-next-integral-multiple-of-time '(0 0 0 1) (1+ (ash 1 53)))
 	   (list (ash 1 (- 53 16)) 1))))