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Jean-Philippe Lang authored
Search engine: search can be restricted to an exact phrase by using quotation marks (eg. hello "bye bye" can be used to search for "hello" and "bye bye" strings). git-svn-id: http://redmine.rubyforge.org/svn/trunk@935 e93f8b46-1217-0410-a6f0-8f06a7374b81
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