I am attempting to switch from FunnelWeb to Org for literate programming.  I'm stuck because I can't work out how to include .org files and then tangle everything.  A tangle in the top level file only seems to tangle the contents of that file and not the contents of the included files.

    I did find something on this topic in a mailing list from several years back but the workaround posted there seems to be out of date.

    I don't want to put all my source code into one big .org file.  With FunnelWeb, I would organize source code for public classes into an interface file and an implementation file and private classes into a single file so the resulting document could have a section documenting the public API followed by the implementation.

So the top level document would end up something like this:

include X_int

include Y_int

include Z_int

include X

include Y

include Z

include P

include Q

include R

It looks to me like there have been some changes around the implementation of INCLUDE in Org, I'm wondering if tangling include files is now supported and if so, how to do it.

My installed Org version is 8.2.4 but obviously I'll upgrade if necessary.

Thanks

Harry