From 19990751a542a68aa183730ae63cc9495958eb86 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Tue, 29 Oct 2019 21:54:04 +0000
Subject: [PATCH] Eases the regexp used to determine the start of a code block
 (#32359).
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Patch by Jens Krämer.


git-svn-id: http://svn.redmine.org/redmine/trunk@18880 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/wiki_formatting/markdown/formatter.rb            | 2 +-
 .../lib/redmine/wiki_formatting/markdown_formatter_test.rb   | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/redmine/wiki_formatting/markdown/formatter.rb b/lib/redmine/wiki_formatting/markdown/formatter.rb
index 9082c3658..f4dd56452 100644
--- a/lib/redmine/wiki_formatting/markdown/formatter.rb
+++ b/lib/redmine/wiki_formatting/markdown/formatter.rb
@@ -90,7 +90,7 @@ module Redmine
           inside_pre = false
           @text.split(/(^(?:.+\r?\n\r?(?:\=+|\-+)|#+.+|(?:~~~|```).*)\s*$)/).each do |part|
             level = nil
-            if part =~ /\A(~{3,}|`{3,})(\S+)?\s*$/
+            if part =~ /\A(~{3,}|`{3,})(\s*\S+)?\s*$/
               if !inside_pre
                 inside_pre = true
               elsif !$2
diff --git a/test/unit/lib/redmine/wiki_formatting/markdown_formatter_test.rb b/test/unit/lib/redmine/wiki_formatting/markdown_formatter_test.rb
index 23d785901..be667c890 100644
--- a/test/unit/lib/redmine/wiki_formatting/markdown_formatter_test.rb
+++ b/test/unit/lib/redmine/wiki_formatting/markdown_formatter_test.rb
@@ -142,6 +142,11 @@ EXPECTED
 
       Morbi facilisis accumsan orci non pharetra.
 
+      ~~~ ruby
+      def foo
+      end
+      ~~~
+
       ```
       Pre Content: