https://git.ruby-lang.org/ruby.git/commit/?id=e3b178066b

From e3b178066b6ec6c2f4f6e038c303cc50db35cf3d Mon Sep 17 00:00:00 2001
From: Koichi ITO <koic.ito@g...>
Date: Mon, 23 May 2022 16:40:15 +0900
Subject: [DOC] Tweak the doc for `Process.kill` signature

Replacing `...` with `*pids` seems to clarify the expected variadic arguments.

Note that the expected arguments are two or more with a signal and pids.
That is, the method must have at least one pid, which cannot be omitted:

```console
% ruby -e 'Process.kill(0)'
-e:1:in `kill': wrong number of arguments (given 1, expected 2+) (ArgumentError)
        from -e:1:in `<main>'
```
---
 process.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/process.c b/process.c
index 735dd2d855..cb0a0bc542 100644
--- a/process.c
+++ b/process.c
@@ -8722,7 +8722,7 @@ get_PROCESS_ID(ID _x, VALUE *_y) https://github.com/ruby/ruby/blob/trunk/process.c#L8722
 
 /*
  *  call-seq:
- *     Process.kill(signal, pid, ...)    -> integer
+ *     Process.kill(signal, pid, *pids)    -> integer
  *
  *  Sends the given signal to the specified process id(s) if _pid_ is positive.
  *  If _pid_ is zero, _signal_ is sent to all processes whose group ID is equal
-- 
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