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## Coastlines in 3.3.1

Two lake polygons have been merged into one larger lake, other than that, no changes have taken place. However, we have rearranged how we supply the data: Now, the archives GMT_lib.tar, GMT_high.tar, and GMT_full.tar will contain the directory lib, rather than GMT3.x/lib. This simplifies upgrades since these files rarely change between releases. The latest version of install_gmt knows about these changes.