Page History

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• Words are implicitly AND-ed together.
• A word can start with - to signify negation (the word must not be present).A word can end with * or % to signify prefix search (the word must start with this prefix). 
• You can use OR between words (it has a lower precedence than the implicit AND).
• You can enclose several words in double quotes " for a phrase search (the words must exactly follow each other).