Documentation
type TXournalMap = GXournal [] TPageMapSource
type TPageBBoxMapBkg b = GPage b IntMap TLayerBBoxSource
type TXournalBBoxMapBkg b = GXournal IntMap (TPageBBoxMapBkg b)Source
type TXournalMap = GXournal [] TPageMapSource
type TPageBBoxMapBkg b = GPage b IntMap TLayerBBoxSource
type TXournalBBoxMapBkg b = GXournal IntMap (TPageBBoxMapBkg b)Source