master updated (7e596463be -> 573ec193be)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  7e596463be Add some menu bar help code on GNUstep
       new  e4d2a7894b Add new variable print-unreadable-function
       new  f047d3c513 Add new function 'readablep'
       new  573ec193be Speed up multisession--set-value-sqlite slightly


Summary of changes:
 doc/lispref/streams.texi        |  33 +++
 etc/NEWS                        |  12 +-
 lisp/emacs-lisp/multisession.el |   7 +-
 lisp/subr.el                    |  13 ++
 src/print.c                     | 449 ++++++++++++++++++++++------------------
 test/lisp/subr-tests.el         |   4 +
 test/src/print-tests.el         |  11 +
 7 files changed, 322 insertions(+), 207 deletions(-)