[gen] Indexes: bugfix.

doc/version.txt

@@ -1 +1 @@
-0.9.1
+0.9.2

fields/__init__.py

@@ -641,6 +641,7 @@ class Field:
             # be used for sorting.
             return (usage == 'sort') and 'SortableTitle' or 'Title'
         elif self.name == 'state': return 'State'
+        elif self.name == 'SearchableText': return 'SearchableText'
         else:
             res = 'get%s%s'% (self.name[0].upper(), self.name[1:])
             if (usage == 'sort') and self.hasSortIndex(): res += '_sort'