Initial community commit

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

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+Specifies the file search paths for `using` statements.
+
+```lua
+usingsdirs { "paths" }
+```
+
+### Parameters ###
+
+`paths` specifies a list of file search directories. Paths should be specified relative to the currently running script file.
+
+### Applies To ###
+
+Project configurations.
+
+### Availability ###
+
+Premake 5.0 or later.
+
+### Examples ###
+
+Define two using file search paths.
+
+```lua
+usingdirs { "../lib1", "../lib2" }
+```
+
+You can also use wildcards to match multiple directories. The * will match against a single directory, ** will recurse into subdirectories as well.
+
+```lua
+usingdirs { "../libs/**" }
+```
+
+### See Also ###
+
+* [includedirs](includedirs.md)