=head2 SearchSubscriptions
-@results = SearchSubscriptions($args);
-$args is a hashref. Its keys can be contained: title, issn, ean, publisher, bookseller and branchcode
-
-this function gets all subscriptions which have title like $title, ISSN like $issn, EAN like $ean, publisher like $publisher, bookseller like $bookseller AND branchcode eq $branch.
-
-return:
-a table of hashref. Each hash containt the subscription.
+ @results = SearchSubscriptions($args);
+
+This function returns a list of hashrefs, one for each subscription
+that meets the conditions specified by the $args hashref.
+
+The valid search fields are:
+
+ biblionumber
+ title
+ issn
+ ean
+ callnumber
+ location
+ publisher
+ bookseller
+ branch
+ expiration_date
+ closed
+
+The expiration_date search field is special; it specifies the maximum
+subscription expiration date.
=cut