jodd-mail/src/main/java/jodd/mail/EmailFilter.java
protected void concat(SearchTerm searchTerm) {
		if (nextIsNot) {
			searchTerm = new NotTerm(searchTerm);
			nextIsNot = false;
		}
		if (operatorAnd) {
			and(searchTerm);
		} else {
			or(searchTerm);
		}
	}
protected void concat(SearchTerm searchTerm) {
		if (nextIsNot) {
			searchTerm = new NotTerm(searchTerm);
			nextIsNot = false;
		}
		if (operatorAnd) {
			and(searchTerm);
		} else {
			or(searchTerm);
		}
	}
Concatenates last search term with new one.

@param searchTerm searchTerm {@link SearchTerm} concatenate.
@see #and(SearchTerm)
@see #or(SearchTerm)