master updated (6c529dbb0c -> b3e31c52b1)

[Gavin D. Smith]

gavin pushed a change to branch master.

    from 6c529dbb0c * doc/texinfo.tex (\pdfmakeoutlines): Remove accidentally 
added use of non-existent macro.
     new 9979af8ae6 * doc/texinfo.tex (\ifluatex): Introduce new conditional 
and use throughout, rather than checking if \luatexversion is defined every 
time.
     new b3e31c52b1 * doc/texinfo.tex (\ifxetex): New conditional.  Use 
throughout.


Summary of changes:
 ChangeLog       |  10 +++++
 doc/texinfo.tex | 118 +++++++++++++++++++++++++++++---------------------------
 2 files changed, 71 insertions(+), 57 deletions(-)