Log Message:
tex-hyperref{,-doc}: update to 6.86b

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