master updated (2d989e8 -> d6d871a)

[Mattias Engdegård]

mattiase pushed a change to branch master.

      from  2d989e8   Unbreak a few unit tests that rely on lack of backtraces
       new  5d04ee5   * doc/misc/calc.texi (Predefined Units): Prune outdated 
kg text.
       new  d6d871a   Calc: simplify integer log2 and power of 2


Summary of changes:
 doc/misc/calc.texi    |  8 +-------
 lisp/calc/calc-bin.el | 48 ++++++++----------------------------------------
 2 files changed, 9 insertions(+), 47 deletions(-)