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svn:author
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fernape
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svn:date
V 27
2020-10-19T13:42:19.502529Z
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svn:log
V 271
graphics/heimer: update to 1.21.0

From ChangeLog: https://github.com/juzzlin/Heimer/releases/tag/1.21.0

 * Fix GitHub Issue #111: Optimizer: Save optimizer settings to file
 * Fix GitHub Issue #109: Make default direction of arrows configurable

Reported by:	portscout

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