Fix duplicating capture groups in Julia lexer (#1292)

The Julia lexer includes nested capture groups and this causes text to be duplicated on output. This commit fixes that bug.
rouge-ruby · Aug 2, 2019 · a0a0823 · a0a0823
1 parent b99ab3a
commit a0a0823
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diff --git a/lib/rouge/lexers/julia.rb b/lib/rouge/lexers/julia.rb
@@ -199,7 +199,7 @@ def self.detect?(text)
         end
 
         # types
-        rule %r/((mutable )?struct|(abstract|primitive) type)((?:\s|\\\s)+)/ do
+        rule %r/((?:mutable )?struct|(?:abstract|primitive) type)((?:\s|\\\s)+)/ do
           groups Keyword, Name::Class
           push :typename
         end