https://git.ruby-lang.org/ruby.git/commit/?id=7d94df63c4

From 7d94df63c40ba2c2b85344140c9f3da03a05fc72 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 12 Jan 2022 18:17:22 +0900
Subject: [ruby/optparse] Add rdoc options

Specify the main page and the page directory.  Also in Rakefile,
extract and use the same options from the gemspec file.

https://github.com/ruby/optparse/commit/d182cd60b5
---
 lib/optparse/optparse.gemspec | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/optparse/optparse.gemspec b/lib/optparse/optparse.gemspec
index ae6596678c4..a4287ddeeed 100644
--- a/lib/optparse/optparse.gemspec
+++ b/lib/optparse/optparse.gemspec
@@ -23,6 +23,7 @@ Gem::Specification.new do |spec| https://github.com/ruby/ruby/blob/trunk/lib/optparse/optparse.gemspec#L23
   spec.metadata["source_code_uri"] = spec.homepage
 
   spec.files         = Dir["{doc,lib,misc}/**/*"] + %w[README.md ChangeLog COPYING]
+  spec.rdoc_options  = ["--main=README.md", "--op=rdoc", "--page-dir=doc"]
   spec.bindir        = "exe"
   spec.executables   = []
   spec.require_paths = ["lib"]
-- 
cgit v1.2.1


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