Some strange UNICODE chars get in JS

git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/trunk@811784 b8457f37-d9ea-0310-8a92-e5e31aec5664
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git-svn-id: https://plugins.svn.wordpress.org/redi-restaurant-reservation/branches/development@811807 b8457f37-d9ea-0310-8a92-e5e31aec5664