The System doesn't alter the Term, which started with "s:" for searching.
Examples of Search:
s: "commission" and "october"
Conjuction
s: "commission" or "october"
Disjuction
s: "court" xor "october"
Exclusive disjunction
s: "~court"
Lemmatisation
s: (headline:"court")
Searching in Headline
s: (text:"court")
Searching in Text