Xapian (and hence notmuch) prefixes are either **boolean**, supporting
exact matches like "tag:inbox" or **probabilistic**, supporting a more flexible **term** based searching. The prefixes currently supported by notmuch are as follows.
-+------------------+-----------------------+
-|Boolean |Probabilistic |
-+------------------+-----------------------+
-| **tag:** **id:** | **from:** **to:** |
-|**thread:** |**subject:** |
-|**folder:** |**attachment:** |
-|**path:** |**mimetype:** |
-| | |
-+------------------+-----------------------+
+
+Boolean
+ **tag:**, **id:**, **thread:**, **folder:**, **path:**
+Probabilistic
+ **from:**, **to:**, **subject:**, **attachment:**, **mimetype:**
Terms and phrases
-----------------