lib/chef/solr_query/lucene.treetop in chef-10.14.0.beta.2 vs lib/chef/solr_query/lucene.treetop in chef-10.14.0.beta.3

@@ -127,14 +127,14 @@
   rule keyword
     'AND' / 'OR' / 'NOT'
   end
 
   rule valid_letter
-    start_letter+ ([a-zA-Z0-9*?_.-] / '\\' special_char)*
+    start_letter+ ([a-zA-Z0-9@*?_.-] / '\\' special_char)*
   end
 
   rule start_letter
-    [a-zA-Z0-9._*] / '\\' special_char
+    [a-zA-Z0-9@._*] / '\\' special_char
   end
 
   rule end_letter
     [a-zA-Z0-9*?_.] / '\\' special_char
   end