[XeTeX] XeTeX, \XeTeXprotrudechars, \rpcode, etc.

2014-04-15 Thread Philip Taylor
Good morning Thành -- I have for some time been trying to get to the bottom of the mysterious new primitives in XeTeX that include \XeTeXprotrudechars, \rpcode, etc. The only "documentation" of these is a brief e-mail from JK dated Mon May 3 01:12:46 CEST 2010 : http://tug.org/pipermail

Re: [XeTeX] XeTeX, \XeTeXprotrudechars, \rpcode, etc.

2014-04-15 Thread Philip Taylor
Fine, many thanks Jonathan; will do. ** Phil. Jonathan Kew wrote: 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 docume

Re: [XeTeX] XeTeX, \XeTeXprotrudechars, \rpcode, etc.

2014-04-15 Thread Akira Kakuto
Dear Philip, I found Corresponding ones in pdfTeX in the pdfTeX manual: \pdfprotrudechars (integer) Yet another way of optimizing paragraph breaking is to let certain characters move into the margin (‘character protrusion’). When \pdfprotrudechars=1, the glyphs qualified as such will make this m

Re: [XeTeX] XeTeX, \XeTeXprotrudechars, \rpcode, etc.

2014-04-15 Thread Jonathan Kew
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