message ID or a mail address. If it is one of the symbols @code{mid} or
@code{mail}, Gnus will always assume that the string is a message ID or
a mail address, respectively. If this variable is set to the symbol
-@code{ask}, always query the user what do do. If it is a function, this
+@code{ask}, always query the user what to do. If it is a function, this
function will be called with the string as its only argument. The
function must return @code{mid}, @code{mail}, @code{invalid} or
@code{ask}. The default value is the function
messages instead of the internal article date. See section 6.4.4 of
RFC 2060 for more information on valid strings.
-However, if @code{nnimap-search-uids-not-since-is-evil}
+However, if @code{nnimap-search-uids-not-since-is-evil}
is true, this variable has no effect since the search logic
is reversed, as described below.