On 15/4/14 11:05, Philip Taylor wrote:
... and are you also aware of any documentation discussing how hyperlinks can be embedded using XeTeX, another apparently undocumented feature that is successfully exploited by "hyperref", "eplain", etc., yet for which no primitive-level documentation seems to exist.
IIRC, hyperlinks are handled entirely at the pdf output driver level; there are no xetex primitives involved. It's just a question of inserting appropriate \special{pdf: ...} commands.
So try looking for dvipdfmx documentation about the \special commands it supports, and the PDF spec if you need help with the exact PDF fragments to insert. In particular, http://project.ktug.org/dvipdfmx/doc/tb94cho.pdf might be helpful.
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