master updated (9192e0d9a8 -> 88ce8906ad)

[Patrice Dumas]

pertusus pushed a change to branch master.

    from 9192e0d9a8 * tp/Texinfo/OutputUnits.pm (units_directions), 
tp/Texinfo/XS/main/output_unit.c (units_directions): replace the customization 
options argument by print_debug.  Update callers and set the print_debug 
argument from customization options.
     new 180e98c6ef Minor change in code, update POD and comments
     new 88ce8906ad tp/Texinfo/ManipulateTree.pm: change in comments


Summary of changes:
 tp/Texinfo/ManipulateTree.pm | 22 +++++++++++++++-------
 tp/Texinfo/OutputUnits.pm    | 27 ++++++++++++++++-----------
 2 files changed, 31 insertions(+), 18 deletions(-)