K 10
svn:author
V 7
syntron
K 8
svn:date
V 27
2010-02-11T23:36:14.857027Z
K 7
svn:log
V 251
update definition of ice_base_colatitude

* fix comment about the formula for Donut worlds in map_colatitude()
* similar glacier ratios in all maps (Flat Earth maps have only one pole
  and therefore only halve the glacier ratio)

See gna bug #15311


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