master updated (b858acde25 -> 16015288e1)

[Mattias Engdegård]

mattiase pushed a change to branch master.

      from  b858acde25 Don't refresh the frame in with-locale-environment
       new  123506f9ca Speed up string-lessp further
       new  ec5af48a18 Strengthen string-lessp tests
       new  16015288e1 Rectify string= documentation


Summary of changes:
 doc/lispref/strings.texi | 19 +++---------
 src/fns.c                | 56 +++++++++++++++++++++++++++--------
 test/src/fns-tests.el    | 77 ++++++++++++++++++++++++++----------------------
 3 files changed, 89 insertions(+), 63 deletions(-)