Update to hyperref, special thanks to Ulrike Fischer for providing
fixes to several issues.
2018-02-06 6.86b David Carlisle
* 6.86b
* Fix packaging of luatex.dtx (reported on tex.sx)
2017-09-29 6.86a David Carlisle
* 6.86a
* bump version and fix documentation markup
* fixes to xsl and other minor build adjustments
* send driver message just to log, issue #9
* add \and to the list of commands locally made safe in pdf title
info, issue #44
* for issue #50 add pdf source zip from
texmf-dist/doc/latex/hyperref-docsrc
2017-09-29 6.86a David Carlisle
* 6.86a
* Make driver auto detect info not message (so just log not
terminal) issue #9
* Make \and locally "; " while making pdf info string issue #44
2017-09-29 6.856a Ulrike Fischer
* 6.86a
* don't define \noboundary as text command / issue 37 (#45)
* changed default pdfversion from 2 to 5, along the default
settings in the current tex systems
* change with pdfa version to 4 only if the current version is
smaller, see issue #38
* removed \noboundary from puarenc.def, see issue #37
* Issue #38: change version to 1.4 with pdfa only if it is smaller
(#43)
* changed default pdfversion from 2 to 5, along the default
settings in the current tex systems
* change with pdfa version to 4 only if the current version is
smaller, see issue #38
* issue #25, added \HyPsd at EscapeTeX#1% to correctly escape
non-ascii in heading (#42)
* code to amend issue #40 (missing pdfhighlight option for
xetex/dvipdfmx) (#41)
* corrected typo in hpdftex.def
* exchanged code for pdfhighlight by \Hy at setpdfhighlight in
hpdftex.def
* exchanged code for pdfhighlight by \Hy at setpdfhighlight in
hluatex.def
* added \Hy at setpdfhighlight to hdvipdfm/hxetex.def
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