https://git.ruby-lang.org/ruby.git/commit/?id=cf83ba1da7

From cf83ba1da777a9bfc26949afdeabf38e2789060d Mon Sep 17 00:00:00 2001
From: zverok <zverok.offline@g...>
Date: Mon, 20 Dec 2021 09:20:55 +0200
Subject: [DOC] Make sure new GC methods are documented

---
 gc.rb | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/gc.rb b/gc.rb
index 45930c3dab7..72637f37960 100644
--- a/gc.rb
+++ b/gc.rb
@@ -257,13 +257,12 @@ module GC https://github.com/ruby/ruby/blob/trunk/gc.rb#L257
     Primitive.gc_verify_compaction_references(double_heap, toward == :empty)
   end
 
-  # :nodoc:
   # call-seq:
   #     GC.using_rvargc? -> true or false
   #
   # Returns true if using experimental feature Variable Width Allocation, false
   # otherwise.
-  def self.using_rvargc?
+  def self.using_rvargc? # :nodoc:
     GC::INTERNAL_CONSTANTS[:SIZE_POOL_COUNT] > 1
   end
 
@@ -272,8 +271,8 @@ module GC https://github.com/ruby/ruby/blob/trunk/gc.rb#L271
   #    GC.measure_total_time = true/false
   #
   # Enable to measure GC time.
-  # You can get the result with `GC.stat(:time)`.
-  # Note that the GC time measurement can introduce the performance regression.
+  # You can get the result with <tt>GC.stat(:time)</tt>.
+  # Note that GC time measurement can cause some performance overhead.
   def self.measure_total_time=(flag)
     Primitive.cstmt! %{
       rb_objspace.flags.measure_gc = RTEST(flag) ? TRUE : FALSE;
@@ -284,7 +283,7 @@ module GC https://github.com/ruby/ruby/blob/trunk/gc.rb#L283
   # call-seq:
   #    GC.measure_total_time -> true/false
   #
-  # Return measure_total_time flag (default: true).
+  # Return measure_total_time flag (default: +true+).
   # Note that measurement can affect the application performance.
   def self.measure_total_time
     Primitive.cexpr! %{
-- 
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