AverageGuy/docs — comment on commit 8c6f1c94ea30347defbd2af458131cfee285f2d7
File: dojox/grid/DataGrid.rst line 1226
By wkeese:

Why not put Button in the original require list above? It doesn't look like this code will run (reliably) since it's depending on Button already being loaded, or otherwise the require() call will throw an exception.