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Improvement
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Resolution: Fixed
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Normal
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None
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None
If I enter 50° 7' 24.24" N, 0° 7' 24.24" W, it should be able to convert that to 50.1234, -0.1234. It should understand both ASCII ' and " and Unicode ′ (U+2032) and ″ (U+2033).
https://en.wikipedia.org/wiki/Geographic_coordinate_conversion#Conversion_from_DMS_to_Decimal_Degree might be helpful if there isn't something that can do it already.