Initial community commit

Src/external_dependencies/openmpt-trunk/include/premake/website/docs/table.extract.md

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+Enumerates an array of objects and returns a new table containing only the value of one particular field.
+
+
+```lua
+table.extract(arr, "key")
+```
+
+### Parameters ###
+
+`arr` is an array of tables. `key` is the name of the field to be extracted.
+
+
+### Return Value ###
+
+A new array containing only the values of the provided field key.
+
+
+### Availability ###
+
+Premake 4.4 or later.