Initial community commit

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

@@ -0,0 +1,26 @@
+Appends an extension to a file path if it is not already present.
+
+```lua
+p = path.appendExtension(p, ext)
+```
+
+### Parameters ###
+
+`p` is a file system path.
+
+`ext` is the extension to append to the path.
+
+
+### Return Value ###
+
+A new file system path with the extension appended, if it was not already part of the path.
+
+
+### Availability ###
+
+Premake 5.0 or later.
+
+
+### See Also ###
+
+* [path.join](path.join.md)