From 7c8aa0a5d2bc3f079077d113b350a58d7b7c2b0d Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 10 Apr 2021 01:58:09 +0900
Subject: [ruby/rdoc] Allow a label in a link to another document text

https://github.com/ruby/rdoc/commit/85bb2d33bb
---
 lib/rdoc/markup/to_html.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/rdoc')

diff --git a/lib/rdoc/markup/to_html.rb b/lib/rdoc/markup/to_html.rb
index 8ae4dd4720..6a8ca8a2d7 100644
--- a/lib/rdoc/markup/to_html.rb
+++ b/lib/rdoc/markup/to_html.rb
@@ -357,8 +357,8 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter
        url =~ /\.(gif|png|jpg|jpeg|bmp)$/ then
       "<img src=\"#{url}\" />"
     else
-      if scheme != 'link' and /\.(?:rb|rdoc|md)\z/i =~ url
-        url = url.sub(%r%\A([./]*)(.*)\z%) { "#$1#{$2.tr('.', '_')}.html" }
+      if scheme != 'link' and %r%\A([./]*+)(.*?\.)(rb|rdoc|md)(?=\z|#)%i =~ url
+        url = "#$1#{$2.tr('.', '_')}#$3.html#{$'}"
       end
 
       text = text.sub %r%^#{scheme}:/*%i, ''
-- 
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