lib/citeproc/ruby/format.rb in citeproc-ruby-1.1.11 vs lib/citeproc/ruby/format.rb in citeproc-ruby-1.1.12

@@ -196,10 +196,10 @@
       def close_inner_quote
         locale && locale.t('close-inner-quote') || "'"
       end
 
       def split_closing_quotes(string)
-        string.split(/([#{close_inner_quote}#{close_quote}]+)$/, 2)
+        string.split(/((#{Regexp.quote(close_inner_quote)}|#{Regexp.quote(close_quote)})+)$/, 2)
       end
 
       def apply_quotes
         output.replace locale.quote(output, escape_quotes?)
       end