lib/rouge/lexers/diff.rb in rouge-3.19.0 vs lib/rouge/lexers/diff.rb in rouge-3.20.0

@@ -12,10 +12,10 @@
       mimetypes 'text/x-diff', 'text/x-patch'
 
       def self.detect?(text)
         return true if text.start_with?('Index: ')
         return true if text =~ %r(\Adiff[^\n]*?\ba/[^\n]*\bb/)
-        return true if text =~ /(---|[+][+][+]).*?\n(---|[+][+][+])/
+        return true if text =~ /---.*?\n[+][+][+]/ || text =~ /[+][+][+].*?\n---/
       end
 
       state :root do
         rule(/^ .*$\n?/, Text)
         rule(/^---$\n?/, Punctuation)