Documentation for ConstantParameter.

Documentation/ProjectFile/parameter/Constant/c_Constant.md

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+A constant scalar value or tuple parameter.

Documentation/ProjectFile/parameter/Constant/t_value.md

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+Single component constant parameter value.
+
+This is an alternative to the \ref ogs_file_param__parameter__Constant__values

Documentation/ProjectFile/parameter/Constant/t_values.md

+Multi-component constant parameter values.