As part of a project to get LaTeX to output something useful, I found myself wanting to write a new hyperref driver for the desired format. The documentation explains what a driver needs to do, but it doesn't explain how to get hyperref to load the new driver instead of its given one. Looking through the code, I can't see an obvious hook but I may well be missing something. At the moment, I load the driver file using the
\AtBeginDocument hook, but it worries me that this might not be very robust.
So, can I get hyperref to load a custom driver without modifying
hyperref.sty? If not, are there any dangers from manually loading it myself at the start of the actual document?