On 10-09-16 9:41 AM, Gregory Pavelcak wrote: > I think you would have to use two passes of troff. The first pass would > generate the info you needed to define the crossref macro.
Also, take a look around troff.org. At the very least there should be a link to Stevens' notes about typesetting the TCP books. I'm pretty sure he talks about how he did index assist macros.
