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On 1/11/2021 8:08 PM, Ulrike Fischer wrote:
Am Mon, 11 Jan 2021 19:11:16 +0100 schrieb Hans Hagen:
After updating pdftex i tested that feature (somewhat stupid example as we don't use this link command in context):
How do you make breakable links then?
so, this flag is somewhat unpredictable in the sense that it influences the next box at the upper level and has no effect in the middle or preceding (either or not migrated) boxes inside the setting.
Well yes ;-) when I tested this for the headers and footers in latex it took me some time to get it right, so it is not something for the casual user but should be used with care.
It will be: \protected\def\pdfrunninglinkoff{\pdfextension linkstate 1 } \protected\def\pdfrunninglinkon {\pdfextension linkstate 0 } So, a more generic linkstate whatsit (instead of two different ones). Only values 0 and 1 have meaning.
Btw: we naturally take also other solutions. Some attribute or similar would be fine too. The main point is to have something that allows to disable linking of header and footer and doesn't rely on the box level, which we can't control there.
I think there's no need to be more clever when this hack works ok for latex and, as you mention, it's not meant for users. All this pdf stuff is already more than 20 years old and never was much of an issue anyway: no need to touch code in many places with the danger of introducing side effects. Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------